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Tektronix 453, Инструкция по эксплуатации

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Содержание 453

Страница 1: ...TYPE 453 R453 OSCILLOSCOPE ABOVE SN 20 000 ...

Страница 2: ...Tektronix Inc P O Box 500 Beaverton Oregon 97077 070 0755 02 TEKTRONI INSTRUCTION MANUAL Serial Number 170 ...

Страница 3: ...reserved Copyright 1967 new material 1970 by Tektronix _ Irie Be lverto_n Oregon Printed in t e U pited States of merica All rights re S fY d o nte ots of thisJ ubHcation may not l niprp c EJ f n y f r witbout_ Permission tjf tt C pyrighf ewner _ ...

Страница 4: ...on 2 11 Vertical Gain Adjustment Step Attenuator Balance 2 11 2 11 Signal Connections 2 11 Loading Effect of the Type 453 2 11 Coaxial Cable Considerations 2 12 Input Coupling 2 12 Deflection Factor 2 12 Dual Trace Operation 2 12 Channel 1 Output and Cascaded Operation 2 13 Algebraic Addition 2 13 Trigger Source 2 14 Trigger Coupling 2 14 Trigger Slope 2 14 Trigger Level 2 16 High Frequency Stabil...

Страница 5: ...ier Trigger Preamp 3 9 General 3 9 Input Circuitry 3 9 Amplifier Circuitry 3 10 A Trigger Generator General 3 10 Trigger Source 3 11 Trigger Coupling 3 11 Input Stage 3 12 Slope Comparator 3 12 Trigger TD 3 12 Pulse Amplifier 3 12 Auto Pulse Amplifier 3 13 Auto Multivibrator 3 13 A Sweep Generator General 3 14 Normal Trigger Mode Operation Auto Trigger Mode Operation Single Sweep Operation B Trigg...

Страница 6: ...bration After Repair 4 12 lnsrument Repackaging 4 12 Type 453 R453 SECTION 5 PERFORMANCE CHECK CALI BRATION PROCEDURE Introduction 5 1 Test Equipment Required General 5 1 Short Form Calibration Procedure and Index 5 2 Performance Creek Calibration Procedure General 5 6 Preliminary Procedure 5 6 Check or Adjust 5 8 SECTION 6 RACKMOUNTING Introduction 6 1 Rack Dimensions Slide Out Tracks 6 1 6 1 Mou...

Страница 7: ...Fig 1 1 Top the Type 453 Oscilloscope Bottom the Type R453 Oscilloscope Type 453 R453 ...

Страница 8: ... sional drawing for the Type R453 are provided in Section 6 of this manual The following electrical characteristics apply over a cali bration interval of l000 hours at an ambient temperature range of 15 C to 55 C except as otherwise indicated Warm up time for given accuracy is 20 minutes ELECTRICAL VERTICAL DEFLECTION SYSTEM Characteristic Deflection Factor Deflection Accuracy Performance Requirem...

Страница 9: ...igger signal 0 2 division of deflection minimum 30 Hz to l0 MHz increasing to l division at 50 MHz Characteristic LF REJ HF REJ DC External Trigger Sensitivity AC LF REJ HF REJ DC Auto Triggering A sweep only Single Sweep A sweep only Display Jitter Maximum Input Voltage External Trigger Input RC Characteristics approximate LEVEL Control Range Performance Requirement 0 2 division of deflection min...

Страница 10: ... Performance Requirement Calibrated Delay Time Continuous from 50 seconds to Range microsecond DELAY TIME MULTIPLIER Dial Range 0 20 to l0 20 1 Specifications Type 453 R453 Characteristic Performance Requirement Delay Time Accuracy 0 C to 15 C to 40 c 55 c 5 s to 0 1 s DIV Within 2 5 Within 3 5 of indicated de of indicated de lay lay SO ms to l µs DIV Within l 5 Within 2 of of indicated de indicat...

Страница 11: ...ion at 115 volts 60Hz Performance Requirement 180 to 220 volts 208 to 252 volts 224 to 272 volts 48 to 440 Hz 92 watts l 05 volt amperes CATHODE RAY TUBE CRT Characteristic Performance Requirement Tube Type Tektronix T4530 31 1 rectangular Phosphor P31 standard Others available on special order Accelerating Potential Approximately 10 kV total Graticule Type Internal Area Six divisions vertical by ...

Страница 12: ...te at 71 4 inches 121 2 inches 201 2 inches includes front cover 22 inches with handle position ed for carrying Specifications Type 453 R453 Characteristic Performance Requirement Overall Dimensions Type R453 measured at maximum points Height 7 inches Width 19 inches Length 17 inches behind front panel 199 16 inches overall Connectors Z AXIS INPUT Binding post All other connectors BNC Net weight T...

Страница 13: ...NOTES ...

Страница 14: ...y on the rear panel converts the instrument from one operating range to the other In addition this assembly changes the primary connections of the power transformer to allow selection of one of three regulating ranges The assembly also includes the two line fuses When the instrument is converted from 115 volt to 230 volt nominal operation or vice versa the assembly connects or discon nects one of ...

Страница 15: ...3 can be operated where the ambient air temperature is between 15 C and 55 C Derate the maximum operating temperature 1 C for each additional 1000 feet of altitude above 5000 feet This instrument can be stored in ambient temperatures between 55 C and 75 C After storage at temperatures beyond the operating limits allow the chassis temperature to come within the operating limits before power is appl...

Страница 16: ...hannel 2 A Front panel B Side panel Operating Instructions Type 453 R453 B Triggering and External Horizontal A Triggering C Rear panel Calibrator and Power Fig 2 4 Front side and rear panel controls and connectors 2 3 ...

Страница 17: ...ected by the TRIGGER switch LINE Trigger signal obtained from a sam ple of the line voltage applied to this instrument CH 1 COUPLING SLOPE LEVEL HF STAB A Trigger ing only EXT Trigger signal obtained from an ex ternal signal applied to the EXT TRIG INPUT connector EXT 10 Attenuates external trigger sig nal approximate ly 10 times Light indicates that the internal trigger sig nal is obtained only f...

Страница 18: ...the A Trig gering controls No trace is displayed when there is no trigger signal RESET A SWEEP LENGTH POSITION FINE 1 kHz CAL POWER ON Side Panel ASTIG B TIME DIV VARIABLE PROBE LOOP A GATE B GATE CH 1 OUT Operating Instructions Type 453 R453 SINGLE SWEEP After a sweep is display ed further swe eps cannot be presented until the RESET button is pressed Dis play is triggered as for NORM opera tion u...

Страница 19: ...ne Voltage Selector assembly position on rear panel see Operating Voltage in this section 3 Set the POWER switch to ON Allow about five minutes warmup so the instrument reaches a normal operating tem perature before proceeding CRT Controls 4 Advance the INTENSITY control until the trace is at the desired viewing level near midrange 5 Connect the l kHz CAL connector to the Channel l INPUT connector...

Страница 20: ...DIV switches to 2 if using lOX probes set both VOLTS DIV switches to 20 mV Push in the INVERT switch Operating lnstructions Type 453 R453 Triggering 25 Set the CALIBRATOR switch to 1 V Rotate the A LEVEL control throughout its range The display free runs at the extremes of rotation Note that the A SWEEP TRIG D light is on only when the display is triggered 26 Set the A SWEEP MODE switch to NORM TR...

Страница 21: ...can be positioned horizontally with the Channel 1 POSITION control and vertically with the Channel 2 POSITION control 45 Change the CH 1 VOLTS DIV switch to 5 The dis play is reduced to two divisions horizontally Now set the CH 2 VOLTS DIV switch to 5 The display is reduced to two divisions vertically 2 8 Trace Finder 46 Set the CH 1 and CH 2 VOLTS DIV switches to 10 mV The display is not visible ...

Страница 22: ... FOCUS 0 SCALE ILLUM E c c A T c y TIME TIME 0 HORIZ DISPLAY 1 kHz CAL POWER ON A Front panel FREQ 48 TO 440 Hz I TIME DIV PROBE LOOP ASTIG l r IJ 5mAI1 0 A GATE CH 1 OUT SET VERT TRIG SWITCH TO NORM WATTS MAXI 92 ti1 CALIBRATOR AMP MAX 1 AT TI5V 60 H 1V D J 1V TRACE ROTATION B Side panel C Rear panel Fig 2 5 Control setup chart for the Type 453 Z AXIS INPUT OSITIVE SIGNAL BLANKS TRACE 2 9 ...

Страница 23: ...can be made from the CRT The illumination of the graticule lines can be varied with the SCALE ILLUM control Fig 2 6 shows the graticule of the Type 453 and defines the various measurement lines The terminology defined here will be used in all discussions involving graticule measure ments Trace Alignment Adiustment If a free running trace is not parallel to the horizontal graticule lines set the TR...

Страница 24: ...y adjust the front panel STEP ATTEN BAL adjustment as follows allow at least 10 minutes warm up before performing this adjustment 1 With the Input Coupling switch set to GND and the VOLTS DIV switch set to 20 mV move the trace to the center horizontal line of the graticule with the vertical POSITION control 2 Set the VOLTS DIV switch to 5 mV and adjust the STEP ATTEN BAL adjustment to return the t...

Страница 25: ...so be used to pre charge the coupling capacitor to the average voltage level of the signal applied to the INPUT connector This allows measurement of only the AC component of signals having both AC and 2 12 DC components The pre charging network incorporated in this unit allows the input coupling capacitor to charge to the DC source voltage level when the Input Coupling switch is set to GND The pro...

Страница 26: ...ffect on the signal available at the CH 1 OUT connector 5 The Channel 1 Input Preamp can be used as an imped ance matching stage with or without voltage gain The Operating Instructions Type 453 R453 input resistance is one megohm and the output resistance is about 50 ohms 6 The dynamic range of the Channel 1 Input Preamp is equal to about 20 times the CH 1 VOLTS DIV setting The CH 1 OUT signal is ...

Страница 27: ...ger circuits can be selected with the Triggering COUPLING switches Each position permits selection or rejection of the 2 14 frequency compone nts of the trigger signal which can trigger the sweep AC The AC position blocks the DC component of the trigger signal Signals with low frequency components below about 30 hertz are attenuated In general AC coupling can be used for most applications However ...

Страница 28: ... Instructions Type 453 R453 Waveforms obtained with the Triggering LEVEL control set in the region Waveforms obtained with the Triggering LEVEL control set in the region Fig 2 8 Effects of Triggering LEVEL control and SLOPE switch 2 15 ...

Страница 29: ...uate trigger signal as well _ as the correctness of trigger control settings since there is no display without proper triggering Also the A SWEEP TRIG D light is off when the A sweep is not correctly triggered SINGLE SWEEP When the signal to be displayed is not repetitive or varies in amplitude shape or time a conven tional repetitive display may produce an unstable presenta tion To avoid this use...

Страница 30: ...er the magnifier is on When the MAG switch is set to X 10 the sweep rate is determined by dividing the TIME DIV switch setting by 10 For example if the TIME DIV switch is set to 5 µs the magnified sweep rate is 0 05 microsecond division The magnified sweep rate must be used for all time measure ments when the MAG switch is set to X 10 The magnified sweep rate is calibrated when the UNCAL A OR B li...

Страница 31: ...If TRIGGERABLE AFTER DELAY TIME is selected correct B Triggering is also necessary 4 Set the delay time with the A TIME DIV switch and the DELAY TIME MULTIPLIER dial 5 Pull the DELAYED SWEEP B TIME DIV knob out and set to the desired sweep rate 6 If the TRIGGERABLE AFTER DELAY TIME position is used check the display for an intensified portion Absence of the intensified zone indicates that Bsweep i...

Страница 32: ...age of the A SWEEP LENGTH control When using this control first obtain the best possible display in the FULL position Then set the control for the desired A sweep length If jitter is evident in the display readjust the Triggering controls or change the A SWEEP LENGTH control to a position that does not cause jitter External Horizontal Deflection In some applications it is desirable to display one ...

Страница 33: ...addition the calibrator can be used as a con venient signal source for application to external equipment Voltage The Calibrator provides accurate peak to peak square wave voltages of 0 1 and 1 volt into a high imped ance load Voltage range is selected by the CALIBRATOR switch on the side panel Output resistance is about 200 ohms in the 1 V position and about 20 ohms in the 0 1 V 2 20 position The ...

Страница 34: ...ition the trace to the ref erence line 7 Set the Input Coupling switch to DC The ground refer ence line can be checked at any time by switching to the GND position except when using a DC reference voltage 8 Set the A Triggering controls to obtain a stable display Set the TIME DIV switch to a setting that displays several cycles of the signal 9 Measure the distance in divisions between the referenc...

Страница 35: ...d Deflection 10 V X 1 5 15 volts division Factor To determine the peak to peak amplitude of an applied signal which produces a vertical de flection of 5 divisions use the Signal Amplitude formula step 6 Signal 1 A l td 15VX5 75vots mp 1 u e Time Duration Measurements To measure time between two points on a waveform use the following procedure 1 Connect the signal to either INPUT connector 2 Set th...

Страница 36: ...aveform The figures given in Table 2 2 are for the points 10 up from the start of the rising portion and 10 down from the top of the rising portion 90 point 8 Adjust the horizontal POSITION control to move the 10 point of the waveform to the first graticule line For Operating Instructions Type 453 R453 Vertical Divisions vertically display 10 and 90 between 10 divisions points 90 points 4 0 4 and ...

Страница 37: ...ions Time Delay magnification Substituting the given values The time delay is 22 5 microseconds Delayed Sweep Time Measurements The delayed sweep mode can be used to make accurate time measurements The following measurement determines the time difference between two pulses displayed on the same trace This application may also be used to measure 2 24 Channel 1 reference I I 50 Amplitude level 111 I...

Страница 38: ... DISPLAY switch to A INTEN DURING B and the B SWEEP MODE switch to B STARTS AFTER DELAY TIME 6 Position the start of the intensified portion with the DELAY TIME MULTIPLIER dial to the part of the display to be magnified 7 Set the B TIME DIV switch to a setting which intensifies the full portion to be magnified The start of the intensified trace will remain as positioned above 8 Set the HORIZ DISPL...

Страница 39: ...h to B STARTS AFTER DELAY TIME 6 Position the start of the intensified portion with the DELAY TIME MULTIPLIER dial to the part of the display to be magnified 7 Set the B TIME DIV switch to a setting which intensifies the full portion to be magnified The start of the intensified trace will remain as positioned above 8 Set the HORIZ DISPLAY switch to DELAYEO SWEEP B 9 Time measurements can be made f...

Страница 40: ...E MULTIPLIER dial and A TIME DIV switch A Sweep Triggered Internally When A sweep is trig gered internally to produce a normal display the delayed trigger may be obtained as follows 1 Obtain a triggered display in the normal manner 2 Set the HORIZ DISPLAY switch to A INTEN DURING B 3 Select the amount of delay from the start of A Sweep with the DELAY TIME MULTIPLIER dial Delay time can be calculat...

Страница 41: ...eforms to the center of the graticule with the vertical POSITION controls 10 Turn the A VARIABLE control until one cycle of the reference signal Channe I 1 occupies exactly eight divisions horizontally see Fig 2 24 Each division of the graticule represents 45 of the cycle 360 8 divisions 45 division The sweep rate can be stated in terms of degrees as 45 Idivision 11 Measure the horizontal differen...

Страница 42: ...ons Type 453 R453 A 8 Fig 2 26 Phase difference measurement from an X Y display 3 Position the display to the center of the screen and adjust the VOLTS DIV switches to produce a display less than 6 divisions vertically Y and less than 10 divisions hori zontally X The CH 1 VOLTS DIV switch controls the hori zontal defledion X and the CH 2 VOLTS DIV switch con trols the vertical deflection Y 4 Cente...

Страница 43: ...n of the Channel 1 signal to the Channel 2 INPUT connector For example in Fig 2 28 a line frequency signal is connected to Channel 2 to cancel out the line frequency component of the Channel 1 signal 3 Set both Input Coupling switches to DC AC if DC component of input signal is too large 4 Set the MODE switch to ALT Set the VOLTS DIV switches so the signals are about equal in amplitude 5 Set th TR...

Страница 44: ... Line The Vertical Output Ampli fier circuit provides the final amplification for the signal before it is connected to the vertical defledion plates of the CRT This circuit includes the TRACE FINDER switch which compresses the vertical and horizontal deflection within the viewing area to aid in locating an off secreen display The Trigger Preamp circuit provides amplification for the internal trigg...

Страница 45: ... IChopped Blanking l I A Trigger EXT I Gene alo fi l A Sweep TRIG I 0 Genualo INPUT t B Trigger Generator I B Sweep Generator CRT I EXT HORIZ signal ili Horizontal lsw EP I A e l ATEI I A Unblanking l I EXT TRIG INPUT OR EXT HORIZ IB Unblankingl l ATEI Calibrator H __ _l_ CALJ I PROBE LOOP I S mA JL Fig 3 1 Basic block diagram of the Type 453 n 5 c CD en CS 0 I 1 CS CD I ol ao w I ol ao w i CRT Ci...

Страница 46: ...Circuit Description Type 453 R453 EXT HORIZ B SOURCE switch set to INT and TRIGGER switch set to CH l ONLY The Channel l Vertical Preamp circuit provides control of input coupling vertical deflection factor balance vertical position and vertical gain It also contains a stage to provide a sample of the Channel l input signal to the Trigger Preamp circuit to provide internal trig gering from the Cha...

Страница 47: ...CH 1 VOLTS DIV switch position C44A C44C and R44C provide high frequency peaking for this network In the 20 mV and higher CH 1 VOLTS DIV switch 3 4 positions the gain of the Feedback Amplifier is about 2 5 as established by the ratio between R46 R50 and R45 Ad justable capacitor C45A provides high frequency peaking for the Feedback Amplifier stage C49 and R49 provide high frequency damping for the...

Страница 48: ...nuator 1 to 10 STEP ATTEN BAL SW105 fcH 2 VOLTS Div I f POSITION I tR140 Fig 3 3 Channel 2 Vertical Preamp detailed block diagram R75 I VARIAaLE I G AIN I VARIABLE I I GAIN I Channel 1 Trigger Pickoff Q63 R90 R190 Channel 1 signal to Trigger Preamp Channel 1 signal to Vertical Switching circuit Channel 2 signal to Vertical Switching circuit SW195 IINVERT Q c 0 CD Ill a o s b CD II w II w ...

Страница 49: ...rom Channel Vertical Preamp Channel 2 signal from Channel 2 Vertical Preamp Alternate trace sync pulse from __ A Sweep Generator D201 D204 CH 1 Diode __ Gate CH 2 D206 D209 Switching Multivibrator Q215 Q225 Preamp circuit does not have a trigger pickoff stage To pro vide a load at the collector of Ql 54 similar to the load the Channel 1 Trigger Pickoff stage provides at the collector of QS4 Cl 59 ...

Страница 50: ...McGraw Hill New York 1965 pp 362 389 REV B OCT 1975 Circuit Description Type 453 R453 resistors R21 l R212 and R221 R222 through D213 or D223 The collector level of the on Switching Multivibrator trans istor is negative and either D213 or D223 is forward biased This clamps the cathode level of the forward biased shunt diodes in the applicable Diode Gate about 0 5 volts more negative than the emitt...

Страница 51: ...4 The Normal Trigger DC Level adjustment R285 sets the DC level of the normal trigger output signal so the sweep is triggered at the zero level of the displayed signal when the Triggering LEVEL control is set to 0 The normal trigger signal is connected to the Trigger Preamp through SW230B R294 and R295 provide the same DC load for Q294 as provided to Q284 by the Normal Trig ger Pickoff Network 3 8...

Страница 52: ...ction plates TRIGGER PREAMP General The Trigger Preamp circuit amplifies the internal trigger signal to the level necessary to drive the A and 8 Trigger Generator circuits Input signal for the Trigger Preamp cir cuit is either a sample of the signal applied to Channel 1 or a sample of the composite vertical signal from the Vertical Switching circuit Fig 3 7 shows a detailed block diagram of the Tr...

Страница 53: ... to the base of Q423 with mini mum attenuation Q413 and Q423 are connected as emitter followers in the complementary symmetry amplifier4 con figuration This configuration overcomes the basic limitation of emitter followers inability to provide equal response to 4 Lloyd P Hunter pp 11 57 11 62 3 10 both positive and negative going portions of a signal This is remedied in this configuration by using...

Страница 54: ...he line trigger is obtained from voltage divider Rl 104 Rl 105 in the Power Supply circuit This sample of the line frequency about 1 5 volts RMS is coupled to the A Trigger Generator in the LINE position of the A SOURCE switch The A COUPLING switch should not be in the LF REJ position when using this trigger source External trigger signals applied to the A EXT TRIG INPUT connector can be used to p...

Страница 55: ... Q454 Q464 to about 0 3 volts Since the 5Phillip Cutler Semiconductor Circuit Analysis McGraw Hill New York pp 365 372 3 12 base of Q454 must be about 0 65 volts more positive than the emitter before it can conduct the comparator switches around the zero volt level of the trigger signal zero volt level on the trigger signal corresponds to about one volt positive at this point As the A LEVEL contro...

Страница 56: ...ger pulse which is coincident with the rise of the output signal from the Trigger TD stage This negative going trigger pulse is connected to the A Sweep Generator cir cuit through C476 R476 D474 limits the collector of Q473 from going more positive than about 0 5 volts A simul aneous negative going pulse with the same width as the trigger pulse is available at the emitter of Q473 This pulse is con...

Страница 57: ... discharged the current flow through R490 ceases and Q495 comes back on to reset the multi vibrator Now C485 begins to charge towards 75 volts through R486 Current also flows through R494 and the base of Q494 goes negative to bias it on The collector level of Q494 rises positive to produce the auto gate output for the A Sweep Generator circuit 3 14 For low frequency signals below about 30 hertz C4...

Страница 58: ...hat the sweep is not recurrent The following circuit description is given with the A SWEEP MODE switch set to NORM TRIG Differences in operation for the other two modes are then discussed later Normal Trigger Mode Operation Sweep Gate The negative going trigger pulse generated by the A Trigger Generator circuit is applied to the Sweep Gate stage through DSOl Tunnel diode DSOS is quiescently biased...

Страница 59: ...e As the voltage at the emitter of Q543 returns to its original DC level at the end of the sweep D545 is again forward biased and Q544 conducts through D547 to set the quiescent current through the Disconnect Diode D533 This establishes the correct starting point for the sweep D546 clamps the collector of Q544 at about 0 5 volt This reduces the voltage swing at the collector of Q544 and im proves ...

Страница 60: ...nd the reduction in current through D592 and R593 allows D593 to become forward biased Now when the Sweep Reset Multivibrator stage resets at the end of the holdoff period the additional current from R593 D593 flows through DSOS and is sufficient to automatically switch Circuit Description Type 453 R453 the Sweep Gate tunnel diode back into its high voltage state The result is that the A Sweep Gen...

Страница 61: ...in the A position However the BSweep Generator essentially free runs in this position as controlled by another portion of the B SWEEP MODE switch located in the B Sweep Generator circuit see B Sweep Generator discussion In the TRIGGERABLE AFTER DELAY TIME posi tion 12 volts is connected to the cathode of D638 through R639 rather than to D635 This forward biases D638 and allows the B trigger signal...

Страница 62: ...n Type 453 R453 lifier circuit through R717 and the HORIZ DISPLAY switch to unblank the CRT to display the B sweep For A INTEN DURING B operation additional unblanking current is added to the A unblanking gate during the B sweep time This produces a display which is partially unblanked during A sweep time and further unblanked during B sweep time to produce a display which has an intensified porti...

Страница 63: ...set Multivibrator configuration and operation is the same as for the A Sweep Generator How 3 20 ever several differences do exist The B Sweep Reset Multi vibrator dos not have a sweep length network for variable sweep length or a Holdoff Capacitor and associated circuit to reset the B Sweep Reset Multivibrator after the retrace Instead the negative going sweep from the B Sweep Reset Emitter Follow...

Страница 64: ... to produce a positive going sawtooth voltage at the collector This positive going sawtooth signal is con nected to the base of Q834 in the Paraphase Amplifier stage In the EXT HORIZ position of the HORIZ DISPLAY switch the external horizontal signal from the B Trigger Generator circuit is connected to the base of the Input Amplifier Q824 through R821 The A and B sawtooth signals are grounded by t...

Страница 65: ...t change Diodes D851 D852 and D861 D871 protect the amplifier from being overdriven by excessive current swing at the collectors of Q834 and Q844 Negative feedback is provided from the collectors of the final transistors 0884 and Q894 to the bases of the input 3 22 transistors through C882 R882 and C892 R892 C882 and C892 adjust the transient response of the amplifier so it has good linearity at f...

Страница 66: ...Z Axis Amplifier circuit is a shunt feedback operational amplifier with feedback from the Output Amplifier stage to the Input Amplifier stage through Cl 036 Cl 037 Rl 036 The output voltage is determined by the input current times the feedback resistor and is shown by the fomula E t i X Rtb where Rtb is Rl 036 The unblanking input ur uen h nge is approximately two milliamperes Therefore the output...

Страница 67: ...edback from the secondary of T930 is connected to the base of 0914 through the voltage divider network R901 R910 This sample of the output voltage is compared to the 12 volt level at the emitter of 0914 It is then amplified by 0914 and 0913 and applied to the base of 0923 Amplitude of the oscillations at the collector of 0930 3 24 is determined by the average DC level at the emitter of 0923 Regula...

Страница 68: ...produce the same resultant display as the Z Axis Amplifier circuit produces for low frequency signals Circuit Description Type 453 R453 This configuration operates as a crossover network to provide nearly constant intensity modulation from DC to 50 mega hertz LOW VOLTAGE POWER SUPPLY General The low voltage Power Supply circuit provides the operat ing power for this instrument from three regulated...

Страница 69: ...ower Input 01202 01212 75 Volt Rectifier 01172 12 Volt Rectifier 01142 12 Volt Rectifier 01112 6 J Volt RMS AC Source F1437 To High Voltage Oscillator CRT Circuit 81107 fPOWEi1 L 2 LI Fig 3 17 Power Supply detailed block diagram 75 Volt Series Regulator 01197 12 Volt Series Regulator 01167 12 Volt Series Regulator 01137 1 e t1t 75 v 1 12 v 12 Volt Reference 01114 Line trigger signal to Trigger Gen...

Страница 70: ...RT Circuit Ref erence voltage for this supply is provided by voltage divider Rl 151 Rl 152 Rl 153 between the regulated 12 volts and the output of this supply The 12 volts is held stable by the Circuit Description Type 453 R453 12 Volt Supply as discussed previously If the 12 volt output changes a sample of this change appears at the base of Ql 154 as an error signal Regulation of the output volta...

Страница 71: ...s obtained by using a capacitor and transformer which have equal but opposite temperature coefficients The oscillations of the LC circuit Tl 255 Cl 255 are sus tained by the feedback winding of Tl 255 connected to the base of Ql 255 Cl 266 connects a sample of the output of the LC circuit to the base of Ql 265 The regenerative feed back from the emitter of Ql 265 to the emitter of Ql 255 pro duces...

Страница 72: ...he side also provides a convenient place to carry this instruc tion manual Air Filter The air filter should be visually checked every few weeks and cleaned or replaced if dirty More frequent inspections are required under severe operating conditions The following procedure is suggested for cleaning the filter If the filter is to be replaced order new air filters from your local Tektronix Field Off...

Страница 73: ...is instrument after each 1000 hours of operation or every six months if used infrequently In addition replacement of components may necessitate recalibration of the affected circuits Complete calibration instructions are given in the Calibration section The calibration procedure can also be helpful in localiz ing cerain troubles in the instrument In some cases minor 4 2 troubles may be revealed an...

Страница 74: ...e printed on the body The color code is read start ing with the stripe nearest the end of the resistor Com position resistors have four stripes which consist of two signi ficant figures a multiplier and a tolerance value se e Fig 4 1 Metal film resistors have five stripes consisting of three significant figures a multiplier and a tolerance value Capacitor Marking The capacitance values of common d...

Страница 75: ...iption VTVM 10 megohm input impedance and 0 to 500 volts range ohmmeter 0 to 50 megohms Accuracy with in 3 Test prods must be insulated to prevent accidental shorting Purpose To check voltages and for general troubleshoot ing in this instrument 4 4 NOTE A 20 000 ohms volt VOM can be used to check the voltages in this instrument if allowances are made for the circuit loading of the VOM at high impe...

Страница 76: ... all possible defects use steps 6 8 in such cases Start from the top of the chart and perform the given checks on the left side of Maintenance Type 453 R453 the page until a step is found which is not correct Further checks and or the circuit in which the trouble is probably located are listed to the right of this step After the defective circuit has been located proceed with steps 6 through 8 to ...

Страница 77: ... Preamp circuits Check Horizontal Amplifier No trace or only r 1 a spot 1 appears 1 Check sawtooth at Pin AA on A Sweep board Iabout 10 volts peak to peak Yes Check sawtooth at either hori zontal deflection plate about 70 volts peak to peak Yes No I Check A Sweep Generator circuit No Check Horizontal Amplifier circuit Check A unblanking gate at Pin I No I on A Sweep board about Check A Output Sign...

Страница 78: ...I t n f ___ _ throughout its range portion does Check B Sweep Generator Delay Pickoff Compara tor Delay Multivibrator B Sweep Reset Multivibra tor and B Sweep Gate stages Intensified Iportion moves along trace not move Set the HORIZ DISPLAY switch to DE I No LAYED SWEEP IBl and position the ris Check if B TIME DIV VARIABLE I No control is set to CAL ing portion of one of the square waves to the le...

Страница 79: ... replacement parts from Tektronix Inc include the following information 1 Instrument type 4 8 2 Instrument serial number 3 A description of the part if electrical include circuit number 4 Tektronix Part Number Soldering Techniques WARNING Disconnect the instrument from the power source before soldering Circuit Boards Use ordinary 60 40 solder and a 35 to 40 watt pencil type soldering iron on the c...

Страница 80: ... this instrument are given in the Mechanical Parts List To replace a ceramic terminal strip use the following procedure REMOVAL 1 Unsolder all components and connections on the strip To aid in replacing the strip it may be advisable to mark Maintenance Type 453 R453 Fig 4 4 Ceramic terminal strip assembly each lead or draw a sketch to show location of the com ponents and connections 2 Pry or pull ...

Страница 81: ...Protective clothing and safety glasses should 4 10 be worn Avoid striking it on any object which might cause it to crack or implode When storing a CRT place it face down on a smooth surface with a protective cover or soft mat under the faceplate to protect it from scratches The CRT shield should also be handled carefully This shield protects the CRT display from distortion due to mag netic interfe...

Страница 82: ...ransistor labeled on side of unit is toward the front of the instrument Fuse Replacement Table 4 4 gives the rating location and function of the fuses used in this instrument Rotary Switches Individual wafers or mechanical parts of rotary switches are normally not replaceable If a switch is defective replace the entire assembly Replacement switch REV B OCT 1975 Maintenance Type 453 R453 es can be ...

Страница 83: ...5 00 Instrument placed in plastic bag item 3 not shown before pack aging well as the calibration of other closely related circuits Since the low voltage supply affects all circuits calibration of the entire instrument should be checked if work has been done in the low voltage supply or if the power transformer has been replaced The Performance Check procedure in Section 5 provides a quick and conv...

Страница 84: ...004 0460 00 2 Inner pad set 004 0359 00 3 Side pad set 004 0360 00 4 Bottom pad 004 0357 00 5 Rear pad 2 004 0556 00 6 Outer box 004 0461 00 7 Accessories box 004 0462 00 8 Outer pad set 004 0361 00 Maintenance Type 453 R453 Fig 4 6 Repackaging the Type R453 for shipment 4 13 ...

Страница 85: ...Maintenance Type 453 R453 Fig 4 7 Location of circuit boards in Type 453 4 14 ...

Страница 86: ...gy coax 610 0416 02 NOTE C340 C347 R340 R347 R348 mounted on rear of board 0 brn red blk on tan Fig 4 8 Vertical Output Amplifier circuit board E Maintenance Type 453 R453 F vio on wht H emitter of 0364 emitter of 0374 J base of 0374 4 15 ...

Страница 87: ... brn grn brn on wht o wht wht on gy N shield for 0 i M grn grn on gy L shield for M K coax shield _ ___ _ ___ J coax shield 1311 I red on wht ___ _ __ H G brn on F grn on E yel on wht D A gy on wht AE AD brn red blk on tan Fig 4 9 Partial Vertical Preamp circuit board Vertical Switching and partial Vertical Preamp circuit shown 4 16 ...

Страница 88: ...8 D118 R16 R21 R71 R76 R81 R91 Rl 16 R121 R171 R176 R181 R191 mounted on rear of board Maintenance Type 453 R453 r red on wht AB red on wht Fig 4 10 Partial Vertical Preamp circuit board Partial Vertical Preamp circuit shown I 4 17 ...

Страница 89: ...wht S brn on wht R blk yel on wht Q gy coax P 0 blu grn blk N gy on wht M orn orn on J shield for I I grn grn on H red red on F shield for E E D red red on gy C 8 yel yel on gy Fig 4 11 Partial A Sweep circuit board A Sweep Generator and Calibrator circuits shown 4 18 88 shield for BA BA gy coax on gy AB shield for AA ...

Страница 90: ...5 Maintenance Type 453 R453 CG orn on wht CH vio on wht DA shield for OB vio grn blk on wht twisted pair __ DB btu blu on gy coax DC gy coax OD shield for DC Fig 4 12 Partial A Sweep circuit board Trigger Preamp and A Trigger Generator circuits shown 4 19 ...

Страница 91: ... o emitter of as94 c emitter of Q884 B base of Q884 A collector of Q884 AR shield for AS AQ yel yel on gy coax AP shield for AQ coax AV vio on ht AK blu blu on gy coax AM vio grn blk on wht _ _ AN brn red blk on tan AO brn red blk on wht on wht fig 4 13 Partial B Sweep circuit board Horizontal Amplifier and partial B Sweep Generator circuits shown 4 20 ...

Страница 92: ... blk grn on wht AJ shield for AK Al red red on gy coax AO blk grn on wht L AE red on wht AH shield for Al AF shield for AG AG gy coax Wires connected through hole in board wht l twisted orn on whtJ pair R666 added SN20225 AZ shield for AY AB brn on wht AC orn on wht Fig 4 14 Partial B Sweep circuit board B Trigger Generator and B Sweep Generator circuits shown 4 21 ...

Страница 93: ...on wht B shield for C and 0 D E shield for F F orn orn on gy I shield for J J grn grn on gy brn grn brn on wht P red shielded L M vio grn blk on wht 0 shield for N and P Fig 4 15 Z Axis Amplifier and High Voltage Regulator circuit board 4 22 ...

Страница 94: ...ype 453 R453 A vio grn D red shielded blk on wht B wht hhiefded 0 wht P blk orn on wht Q brn grn brn on wht K blk on wht l blk grn on wht M blk yel on wht N blu on wht Fig 4 16 Low Voltage Regulator circuit board E wht F shield for 8 D H G brn red blk on tan H blk shielded blk blu on wht 4 23 ...

Страница 95: ...NOTES ...

Страница 96: ...a Tektronix Oscilloscope Camera System Limits tolerances and waveforms in this procedure are given as calibration guides and should not be intepreted as instrument specifications except as specified in Section 1 A partial calibration is often desirable after replacing components or to touch up the adjustment of a portion of the instrument between major recalibrations To check or adjust only part o...

Страница 97: ...ectors BNC Tektronix Part No 012 0076 00 15 Cable Impedance 50 ohms type RG 213 U electri cal length five nanoseconds connectors GR874 Tektronix Part No 017 0502 00 16 In line termination Impedance 50 ohms wattage rating two watts accuracy 3 connectors GR874 input with BNC male output Tektronix Part No 017 0083 00 17 Input RC normalizer Time constant 1 megohm X 20 picofarads attenuation 2X connect...

Страница 98: ...CE millivolt division D 18 Check Channel l and 2 Input Coupling Page 5 16 Switch Operation Performance Check Calibration Type 453 R453 REQUIREMENT Correct signal coupling in each posi tion of the Channel l and 2 Input Coupling switches PERFORMANCE Correct incorrect___ D 19 Check Low Frequency Vertical Linearity Page 5 16 REQUIREMENT 0 15 division or less compression or expansion of a two division ...

Страница 99: ...C HF REJ and DC positions of A and B COUPLING switches with 0 2 division display at 60 hertz ex ternal stable display in AC HF REJ and DC positions of A and B COUPLING switches with a SO millivolt t111 signal at 60 hertz PERFORMANCE Correct incorrect list exceptions 0 35 Check A and B High Frequency Reject Page 5 27 Operation REQUIREMENT Stable display with 0 2 division dis play at 50 kilohertz do...

Страница 100: ...ge 5 35 REQUIREMENT Within 3 over middle eight divi sions of the display PERFORMANCE Correct____ incorrect list exceptions Performance Check Calibration Type 453 R453 D 55 Check A Magnified Sweep Accuracy Page 5 36 REQUIREMENT Within 4 over middle eight divi sions of the CRT display with the MAG switch set to X 10 Magnifier light must be on PERFORMANCE Correct incorrect list exceptions D 56 Check ...

Страница 101: ...ch allows the Type 453 to be calibrated with the least inter action of adjustments and reconnection of equipment How ever some adjustments affect the calibration of other circuits within the instrument In this case it will be necessary to check the operation of other parts of the instrument When a step interacts with others the steps which need to be checked are noted under INTERACTION Any needed ...

Страница 102: ...TENSITY FOCUS SCALE ILLUM Counterclockwise Midrange As desired Vertical controls both channels if applicable VOLTS DIV 20mV VARIABLE CAL POSITION Midrange Input Coupling DC MODE CH 1 TRIGGER NORM INVERT Pushed in Performance Check Calibration Type 453 R453 Triggering controls both A and B if applicable LEVEL Fully clockwise SLOPE COUPLING AC SOURCE INT Sweep controls DELAY TIME MULTIPLIER Fully co...

Страница 103: ...nd c CHECK Meter reading 12 volts 0 12 volt d ADJUST 12 Volts adjustment R1122 see Fig 5 2 ior 12 volts 0 042 volt e INTERACTION May affect operation of all circuits within the Type 453 2 Adiust 12 Volt Power Supply 0 a Connect the precision DC voltmeter from the center con tact of the 1 kHz CAL connector to chassis ground b Remove Ql 255 see Fig 5 3 from the Calibrator sec tion of the A Sweep cir...

Страница 104: ...affect operation of all circuits within the Type 453 f Disconnect all test equipment 4 Adiust High Voltage Supply and Check Regulation 0 a Connect the DC voltmeter use the precision 2 kV divi der from the 1950 V test point see Fig 5 4 to chassis ground b CHECK Meter reading 1950 volts 58 5 volts c ADJUST High Voltage adjustment R900 see Fig 5 4 for 1950 volts 19 5 volts d INTERACTION May affect op...

Страница 105: ...otransformer output voltage throughout the regulating range selected by the Line Voltage Selector assembly on the rear panel Power supply test points are shown in Fig 5 2 Fig 5 5 shows a typical test oscilloscope display of ripple d Return autotransformer output voltage to the center of the regulating range selected by the Line Voltage Selector assembly If the line voltage is near the center of th...

Страница 106: ...graticule Fig 5 9 shows a typical display of good geometry as well as examples of poor geometry c ADJUST Geometry adjustment R982 see Fig 5 9D for minimum bowing of the trace at the left and right edges of the graticule d INTERACTION Recheck step 9 e Disconnect the time mark generator f Position the trace to the top of the graticule area Performance Check Calibration Type 453 R453 Markers parallel...

Страница 107: ...h is changed from 20 mV to 5 mV e Set the MODE switch to CH 2 f Position the trace to the center horizontal line with the Channel 2 POSITION control g CHECK Change the CH 2 VOLTS DIV switch from 20 mV to 5 mV Trace should not move vertically h ADJUST Channel 2 STEP ATTEN BAL adjustment R130 see Fig 5 10 for no trace shift as the CH 2 VOLTS DIV switch is changed from 20 mV to 5 mV 5 12 12 Check Adi...

Страница 108: ...to the center line e Set the MODE switch to CH 1 f Connect the precision DC voltmeter between the Chan nel l position center test point pin connector W on the Vertical Preamp board see Fig 5 11 and chassis ground g Set the Channel l POSITION control for a meter read ing of zero volts The dot on the POSITION control should be centered mechanically If not loosen the set screw and reposition the knob...

Страница 109: ... exactly five divisions in amplitude see Fig 5 l3A f ADJUST Channel l GAIN adjustment R90 see Fig 5 13 for exactly five divisions of deflection g Set the MODE switch to ADD h Pull the INVERT switch 5 14 i CHECK CRT display for straight line j ADJUST Channel 2 GAIN adjustment Rl90 see Fig 5 l 3B for a straight line display 14 Check Added Mode Operation a Push the INVERT switch in b Set the standard...

Страница 110: ...6 Check Channel 1 and 2 Variable Volts Division Range a Set the stanard amplitude calibrator for a 0 1 volt square wave output b Change the following control settings VOLTS DIV CH 1 and 2 20 mV Input Coupling CH 1 and 2 MODE AC CH 1 c CHECK Turn the Channel 1 VARIABLE VOLTS DIV control fully counterclockwise Display should be reduced to two divisions or less see Fig 5 14 Channel 1 UNCAL light must...

Страница 111: ...wave is at the center hori zontal line k Set the Channel 1 Input Coupling switch to GND I CHECK CRT display for straight line near the center horizontal line m Set the Channel 1 Input Coupling switch to AC n CHECK CRT display centered about center horizontal line 19 Check Low Frequency Vertical Linearity a Set the Channel 1 and 2 Input Coupling switches to DC b Position the display to the center o...

Страница 112: ... of one kilohertz signal d Set the A LEVEL control for a stable display e CHECK CRT display at each CH 1 VOLTS DIV switch setting listed in Table 5 2 for optimum square corner see Fig 5 16A B and C f ADJUST CH l VOLTS DIV switch series compensation as given in Table 5 2 for optimum square corner on the dis play Readjust the generator output with each setting of the CH l VOLTS DIV switch remove 5X ...

Страница 113: ...p on the display Readjust the generator output with each setting of the CH 2 VOLTS DIV switch remove the 5X attenuator as required to provide four divisions of deflection only about three 5 18 divisions obtainable in 2 position Fig 5 16D shows the location of the variable capacitors f Disconnect the signal from the Channel 2 INPUT con nector and reconnect it to the Channel 1 INPUT connector throug...

Страница 114: ...the fol lowing capacitors 001 µ F 283 0067 00 200 v 10 0015 283 0114 00 200 v 20 0022 283 0119 00 200V 5 0027 283 0142 00 200 v 5 0033 283 0041 00 500 v 5 0047 283 0083 00 500 v 5 01 283 0079 00 250 v 20 C264 is selected from among the following capaci tors 14 pf 281 0577 00 500 v I 5 18 pf 281 0578 00 500 v 5 22 pf 281 0511 00 500 v 2 2 pf 27 pf 281 0512 00 500 v 2 7 pf 33 pf 281 0629 00 600 v 5 ...

Страница 115: ... compensation 0 5 microseconds division 8 typical CRT display show ing correct high frequency compensation 10 microseconds division C location of high frequency compensation adjustments and selected components Vertical Preamp circuit board 0 location of R328 C328 and C336 Vertical Output Amplifier circuit board 5 20 ...

Страница 116: ...bration Type 453 R453 t ADJUST Rl43C Cl43C Cl43A and L143A see Fig 5 17C for optimum square wave response Repeat this ad justment until optimum response is obtained u Change the following control settings MODE CH l VOLTS DIV CH l SmV v Disconnect the 50 ohm in line termination from the Channel 2 INPUT connector and connect it to the Channel l INPUT connector w CHECK CRT display for optimum square ...

Страница 117: ...itch to CH 2 o Disconnect the output of the in line termination from the Channel 1 INPUT connector and connect it to the Chan nel 2 INPUT connector p Set the constant amplitude generator for a four divi sion display at its reference frequency 50 kHz q Without changing the output amplitude increase the output frequency of the generator until the deflection is reduced to 2 8 divisions 3 dB point see...

Страница 118: ...tude generator for a 3 2 division display at 20 megahertz REV D OCT 1975 Performance Check Calibration Type 453 R453 d Change the following control settings VOLTS DIV CH 1 and 2 MODE INVERT 20mV ADD Pulled Out e CHECK CRT display for 0 4 division deflection or less common mode rejection ratio 20 1 or better NOTE This check applies only when the channel 1 and 2 gain is correctly adjusted as given i...

Страница 119: ...termination c Set the constant amplitude generator for a 0 2 division display at 50 kilohertz if necessary use AUTO TRIG posi tion to obtain 0 2 division display d Be sure the A LEVEL control is set to 0 e CHECK Stable CRT display see Fig 5 20A f ADJUST A Trigger Level Center adjustment R462 see Fig 5 20B for a stable display g Set the HORIZ DISPLAY switch to A INTENS DURING B h Be sure the B LEVE...

Страница 120: ...isplay j Set the constant amplitude generator for a 0 2 division display at 10 megahertz k Set the MAG switch to OFF I CHECK Stable CRT display see Fig 5 22A can be obtained with the B COUPLING switch set to AC LF REJ and DC B LEVEL control may be adjusted as necessary to obtain a stable display 33 Check A and B External Triggering Operation a Change the following control settings SOURCE A and B H...

Страница 121: ...ggering Operation a Connect the low frequency constant amplitude genera tor to the A EXT TRIG INPUT connector through a 50 ohm 5 26 IA __ V I I I II T v K v L _ 8 Fig 5 24 Al Typical CRT display when checking internal low frequency triggering at 60 hertz Bl typical CRT display when checking external low frequency triggering at 60 hertz 8NC cable and the 8NC T connector Connect the output of the 8N...

Страница 122: ...EL control d Without changing the output amplitude set the low frequency generator to one megahertz e Set the MAG switch to X 10 Performance Check Calibration Type 453 R453 Fig 5 26 Typical CRT display when checking low frequency reject operation at 30 kilohertz f CHECK Stable display cannot be obtained at any setting of the B LEVEL control g Change the following control settings A SWEEP MODE HORI...

Страница 123: ...ET light must go off at the end of the sweep and remain off until the RESET button is pressed again 38 Check A and B Slope Switch Operation a Change the following control settings A LEVEL 0 A SWEEP MODE NORM TRIG b Set the low frequency generator for a four division display at one kilohertz c CHECK CRT display starts on the positive slope of the waveform see Fig 5 27A d Set the A SLOPE switch to e...

Страница 124: ...k that display can be triggered at any point along the negative slope of the waveform indicates A LEVEL control range of at least and 20 volts Display is not triggered at either extreme of rotation p Set the A SLOPE switch to Performance Check Calibration Type 453 R453 q CHECK Rotate the A LEVEL control throughout its range and check that display can be triggered at any point along the positive sl...

Страница 125: ...the CRT phos phor at low rates position the baseline of the marker display below the viewing area d CHECK Stable display can be obtained with the A EVEL control Marker must be at the start of the sweep 5 30 e Set the time mark generator for 0 1 second markers f CHECK Sweep free runs and stable display cannot be obtained If stable display is obtained marker must not be at the start of the sweep 42 ...

Страница 126: ...ig 5 29D p ADJUST Sweep Start adjustment R758 see Fig 5 29 so displayed pulse starts at the beginning of the sweep q Set DELAY TIME MULTIPLIER dial to 9 00 r CHECK Displayed pulse starts at the beginning of the sweep see Fig 5 29D s ADJUST A Sweep Cal adjustment RS3l see Fig 5 29 so displayed pulse starts at the beginning of the sweep t Recheck parts n through s and readjust if necessary 43 Check ...

Страница 127: ...tion of the total magnified sweep length h INTERACTION Check steps 45 53 55 and 57 45 Check Adiust Magnifier Register 0 a Set the time mark generator for five millisecond mark ers b Position the middle marker three markers on total mag nified sweep to the center vertical line see Fig 5 32A 5 32 Fig 5 31 A Typical CRT display showing correct magnified gain 8 location of Mag Gain adjustment 8 Sweep ...

Страница 128: ...B Sweep Length a Set the time mark generator for 1 and 0 1 millisecond markers b Move the eleventh large marker to the center vertical line with the horizontal POSITION control see Fig 5 34 c CHECK B Sweep length must be between 10 5 and 11 5 divisions as shown by 0 5 to 1 5 divisions of display to the right of the center vertical line see Fig 5 34 Large markers indicate divisions and small marker...

Страница 129: ... for continu ously variable sweep rates between the calibrated steps see Fig 5 35 UNCAL A OR B light must be on when A VARIABLE control is not in CAL position 5 34 Spacing between markers must be four divisions or less for correct VARIABLE control range I I lllf Ill I I I I I I I Fig 5 35 Typical CRT display when checking A and B VARIABLE control range 51 Check B Variable Control Range a Change th...

Страница 130: ...ptimum linearity over the center eight divisions of the graticule see Fig 5 37A Performance Check Calibration Type 453 R453 I A Fig 5 37 A Typical CRT display showing correct high speed linearity 8 location of C882 and C892 8 Sweep circuit board f ADJUST C882 and C892 see Fig 5 378 for optimum linearity over the center eight divisions of the graticule at tempt to keep C882 and C892 nearly equal in...

Страница 131: ...k B sweep timing within 0 24 division over the middle eight divisions of the display within 3 5 36 Fig 5 38 Typical CRT display when checking delayed sweep accuracy 57 Check B Magnified Sweep Accuracy o Set the MAG switch to X l 0 b CHECK Using the A and B TIME DIV switch and time mark generator settings given in Table 5 6 check B magni fied sweep timing within 0 32 division over the middle eight ...

Страница 132: ...eck Delay Time Multiplier Incremental Linearity a Change the following control settings DELAY TIME MULTIPLIER 9 00 A TIME DIV 1 ms B TIME DIV 5 µs b Set the time mark generator for one millisecond mark ers c Rotate the dial as necessary to p9sition the start of the pulse to the beginning of the sweep see Fig 5 39 d CHECK Deviation of dial reading from 9 00 should be within two minor dial divisions...

Страница 133: ...check at each major dial division between 9 00 and l 00 6 Check Adiust External Horizontal Gain 0 a Connect the standard amplitude calibrator to the Chan 60 Check Delay Time Jitter a Change the following control settings DELAY TIME MULTIPLIER l 00 B TIME DIV l µs b Position the pulse near the center of the display area with the DELAY TIME MULTIPLIER dial c CHECK Jitter on the leading edge of the p...

Страница 134: ...uipment 63 Check X Y Phasing a Connect the constant amplitude sine wave generator to the Channel l and 2 INPUT connectors through the five nanosecond GR cable 50 ohm in line termination and the dual input coupler b Change the following control settings CH l VOLTS DIV CH 2 VOLTS DIV B SOURCE lOmV 50mV INT c Set the medium frequency generator for a l 0 division horizontal display at 50 kilohertz d C...

Страница 135: ...races about four divisions apart c Set the A LEVEL control for a stable display d CHECK Each cycle for duration of 3 4 to 5 divisions 500 kilohertz 20 see Fig 5 44 e CHECK CRT display for complete blanking of switch ing transients between chopped segments see Fig 5 44 5 40 J Chopped repetition k l rate correct within I I these limits i Switching transient blanked out A I I I J I 1 T T T 1 J I I Fi...

Страница 136: ...the center vertical point duty cycle 49 to 51 see Fig 5 46 Performance Check Calibration Type 453 R453 Fa to lling edge positioned center vertical line with f slope i I Leading edge must be I J within two divisions of 1 center vertical line when A SLOPE switch is set to D l Fig 5 46 Typical CRT display when checking calibrator duty cycle If r 90 I T i 10 _l_ I I f I Five divisions or less for corr...

Страница 137: ... b Connect the l 0 X probe to the input connector of the test oscilloscope c Connect the l 0 X probe to TPl 047 see Fig 5 49A 5 42 Optimum square corner I J_ I BJ Fig 5 49 IA Typical of TPl 047 and Cl 036 IBJ typical test oscil loscope display showing correct adjustment of Cl 036 vertical de flection 5 volts division sweep rate 0 1 microsecond division d Set the test oscilloscope for a vertical de...

Страница 138: ...conds divisionl 73 Check A Gate Output Signal a Set the A and B TIME DIV switch to 1 ms b Connect the A GATE connector on side panel to the test oscilloscope input connector with the 42 inch BNC cable c Set the test oscilloscope for a vertical deflection fac tor of five volts division at a sweep rate of two milliseconds division d CHECK Test oscilloscope display for 2 4 divisions 0 24 division ver...

Страница 139: ...NOTES ...

Страница 140: ...ll be needed for this installation Use only the hardware that is required for the mounting method used Mounting Procedure The following mounting procedure uses the rear support kit see Fig 6 4 and 6 7 to meet the environmental char acteristics of the instrument shock and vibration Two alter native mounting methods are described at the end of this procedure However when mounted according to these a...

Страница 141: ... 6 2 Alternative Rear Mounting Methods CAUTION Although the following methods provide satis factory mounting under normal conditions they do not provide solid support at the rear of the instrument If the instrument is subjected to severe shock or vibration when mounted using the follow ing methods it may be damaged An alternative method of supporting the rear of the in strument is shown in Fig 6 1...

Страница 142: ...stalled in a cabinet rack sides removed A Held into rack with securing screws 8 extended on slideout tracks Stationary section ASSEMBLY FOR LEFT SIDE Automatic latch hole section screw Fig 6 2 Slideout track assemblies ASSEMBLY FOR RIGHT SIDE hole flange Chassis 6 3 ...

Страница 143: ...ear support bracket 12 ea Fig 6 3 Hardware needed to mount the instrument in the cabinet rack 17 471 inches 0 031 inch or 17 531 inches 0 031 inch Rails untapped Fig 6 4 Supporting the rear of the stationary sections A Dimensions necessary 8 Completed installation ...

Страница 144: ...e Use FHS screws if front rail holes are countersunk Fig 6 5 Methods of mounting the stationary section to the front rails Securing holes tapped for 10 32 screws l 31 4 inch minimum 3 inch minimum Y2 inch for correct position of securing holes Fig 6 6 Locating the mounting holes for the left stationary section Same dimensions apply to right stationary section 6 5 ...

Страница 145: ...port Washer 14 eal 10 32 X 1 inch HHS screw 14 ea Angle bracket 12 eal Fig 6 7 Rear Support kit Rear of stationary section 8 32 ea Washer 12 ea Lockwasher 12 eal 20 X n h HHS screw 12 ea Fig 6 8 Installing the support block on the instrument 6 6 ...

Страница 146: ...e way into the rack 6 To secure the Type R453 to the rack insert the 4 securing screws with fin ishing washers and teflon washers through the slots in the instrument front panel and screw them into the front rails of the rack 1 Remove the securing and washers 2 Pull the instrument outward until the stop latches snap into the stop latch holes 3 Disconnect the power cord 4 Press both stop latches an...

Страница 147: ... to adlacent instruments or panels If not correct reposition as necessary Fig 6 10 Alignment adjustments for correct operation ___ DEEP RACK CONFIGURATION T SHALLOW RACK CONFIGURATION BHS 8 _ 32 screw Keps m nut t j 12 ea screws Al Rear rail tapped for 10 32 screws 8 32 FHS screw Stationary section of slideout track 8 32 FHS screw l Stationary section of slideout track DEEP RACK CONFIGURATION T 1 ...

Страница 148: ...53 REAR VIEW o 0 0 2 875 0 e s Os 2 597 o 3 207 I I I FIXE D POWE R CORD RAIL T KNESS 7 850 0 2 062 i S79___j 9 3IO o 11 380 RAIL NOTES I ALL DIMENSIONS ARE REFERENCE DIMENSIONS EXCEPT AS NOTED Fig 6 12A Dimensional drawing 6 9 ...

Страница 149: ...AIL d RECOMMENDED MOUNTING 1 1 l I I I I 0 375 MAX i 17 0ZS 4 1 i 1 so 2 000 CLEARANCE RECOMMENDED AT REAR ANO ON EACH SIDE FORCOOLING 1 ANO POWER CORO I I EXHAUST AREA 17 37 SEE SECTION DETAIL c J a I r0ortt QOOc o ID e f eeee O oo 0 0000 Q 8 9 T Tl 4 ooo o 984 MAX 1e zs 19 01 MA X 11 500 ...

Страница 150: ...CHASSIS 7 1 Z AXIS Circuit Board Assembly 7 12 LOW VOLTAGE REGULATOR Circuit Board Assembly 7 14 VERT OUTPUT AMP Circuit Board Assembly 7 16 A SWEEP Circuit Board Assembly 7 18 B SWEEP Circuit Board Assembly 7 24 VERTICAL PREAMP Circuit Board Assembly 7 29 ...

Страница 151: ...2 V Neon NE 2 V Incandescent 685 Incandescent CNS 398 Incandescent CNB 398 Capacitors Tolerance 20 unless otherwise indicated Cl C3 C6B C6C C7B C7C C7E CSB CBC CSE j 285 0697 00 281 0617 00 281 0064 00 281 0102 00 281 0064 00 281 0100 00 281 0505 00 281 0099 00 281 0083 00 0 1 p F 15 pF 0 25 1 5 pf Var 1 7 11 pF Var 0 25 l 5 pF Var 1 4 7 3 pf Var 12 pF 1 3 5 4 pF Var 0 25 1 5 pf Var 50 pF MT Cer T...

Страница 152: ...50 pF Mica 10 C108D 28l OS44 00 5 6 pf nominal value Selected C109B 281 0100 00 1 4 7 3 pf Var Air C109C 281 0086 00 0 25 1 5 pF Var Tub C109E 500 pf Mica 10 C109D 281 0593 00 3 9 pf nominal value Selected C109F 281 0547 00 2 7pF Cer SOOY 10 CllO 281 0529 00 1 5 pF Cer SOOY 0 25 pF Cl 11 281 0099 00 1 3 5 4 pF Var Air C113 281 0617 00 lS pF Cer 200V Cl43E 281 0578 00 20000 38689X 18 pF Cer SOOY S ...

Страница 153: ...40A 281 0010 00 4 5 25 pF Var Cer C740B 283 0097 00 84 pF Cer lOOOV C740C l 0 001 µF C740D 0 01 µF C740E 295 0079 00 0 1 µF Timing capacitor assembly C740F l µF C740H 281 0523 00 100 pF Cer 350V C808 290 0267 00 1 µF Elect 35V C886 285 0572 00 0 1 µF PTM 200V C906 283 0044 00 0 001 µF Cer 3000V C911 290 0159 00 2 µF Elect 150V C937 290 0312 00 47 µF Elect 35V 1 C940 283 0120 00 0 015 µF Cer 2500V ...

Страница 154: ... 1N756A 8 2 V 0 4 W 5 0884 152 0061 00 Silicon Tek Spec 0911 152 0185 00 Silicon eplaceable by l N4152 0940 152 0192 00 Rectifier VARO 7701 5X 0951 152 0408 00 X44360 Silicon 10 000 V 5 mA 0952 152 0192 00 Rectifier VARO 7701 5X 0961 152 0408 00 X44360 Silicon 10 000 V 5 mA 01l12A B C O 152 0198 00 Silicon MRl 032A Motorola 01 l42A B C O 152 0198 00 Silicon MRl 032A Motorola 01172A B C O 152 0066 ...

Страница 155: ...p H wound on a 220 n resistor 0 3 t1 H wound on a 220 n resistor Transistors Silicon Tek Spec matched pair Silicon Selected from 2N3l 19 Silicon Selected from 2N3l l9 Silicon Selected from 2N3055 43319 Silicon Replaceable by 2N3053 Silicon Replaceable by 2N3053 Silicon Selected from 2N3055 43319 Silicon Replaceable by 2N3053 Silicon Replaceable by 2N3053 Silicon Selected from 2N3055 Silicon 2N344l...

Страница 156: ... 1 R77 316 0154 00 150 kn W R78 316 0106 00 X23169 lOMO W R81 321 0055 00 36 5n 1 s w Pree 1 R90 311 0169 00 100 0 Var R91 321 0017 00 14 7 n 1 s w Pree 1 Rl02 315 0105 00 l MO 1 w 5 R103 317 0620 00 620 1 e W 5 R106C 322 0643 00 600 kn W Pree 1 Rl06E 322 0644 00 666 6 kn W Pree 1 R106F 315 0220 00 22n 1 w 5 R107C 322 0620 00 800kn W Pree 1 R107E 321 0618 00 250k0 1 e w Pree 1 R107F 315 0470 00 47...

Страница 157: ... W R433C 301 0114 00 llOkn W R435 315 01 04 00 100 kn 1 4 w R436 315 01 04 00 lOOkn 1 4 w R460 t 311 0553 00 10 kn Var R528 316 0106 00 X23169 lOMn 1 4 w R530A 323 0400 00 143 kn 1 2 w Pree R530B 323 0371 00 71 5 kn W Pree R530C 323 0371 00 71 5 kn W Pree R530D 323 0371 00 71 5 kn 1 2 w Pree R530E 315 0335 00 3 3MO 1f4 w R530F 309 0095 00 20000 33249 lOMn 1 2 w Pree R530F 323 0577 00 33250 40059 l...

Страница 158: ...R740D 323 0371 00 71 5 kn W Pree 1 R740E 315 0335 00 3 3MO 1 4 w 5 R740F 309 0095 00 20000 33249 lOMO W Pree 1 R740F 323 0577 00 33250 40059 lOMO 1 2 w Pree 1 R740F 325 0072 00 40060 lOMO lW Pree 1 R740G 309 0454 00 20000 33249 11 5 MO 1 2 w Pree 1 R740G 323 0583 00 33250 40059 11 5 MO W Pree 1 R740G 325 0077 00 40060 11 5 Mn lW Pree 1 R740H 309 0453 00 20000 33249 7 15MO W Pree 1 R740H 323 0563 0...

Страница 159: ...05 00 3Mn W 5 R910 301 0305 00 3Mn W R91 l 315 0204 00 200 kn W 5 R940 311 0549 00 1Mn Var R941 315 0154 00 150 kn 1 4 w 5 R942 315 0183 00 10 kn 1f4 w 5 R944 301 0565 00 5 6Mn 1 2 w 5 R945 301 0565 00 5 6Mn W 5 R946 301 0565 00 5 6Mn W 5 R947 301 0565 00 5 6Mn W 5 R948 301 0565 00 5 6Mn W 5 R951 308 0427 00 20000 35889 9 3n W WW 1 R951 308 0589 00 35890 11 n W WW 1 R956 316 0103 00 10 kn W R961 3...

Страница 160: ...202 316 01 04 00 100 kn 114 w Rl204 302 0270 00 27n W R1275 322 0655 00 180n 1 w Pree 1 3 R1276 321 0702 00 30n 1 s w Pree 1 4 R1277 321 0704 00 60n 1 s w Pree Switches Wired or Unwired SWl 260 0621 00 Lever AC GND DC sws Wired 262 0728 01 20000 22529 Rotary CH 1 VOLTS DIV sws Wired 262 0728 02 22530 43319X Rotary CH l VOLTS DIV SW5 260 0720 01 Rotary CH 1 VOLTS DIV SW758 311 0385 00 20000 23009 C...

Страница 161: ...60 0834 00 SWl 10213 SWl 10313 SW1275 260 0447 00 TKl 101 260 0638 00 10 Furnished as a a unit with R530Y 11 furnished as a unit with DS597 12 Furnished as a unit with R740Y Eff 20000 20000 20000 20000 13 See Mechanical Parts List Line Voltage Selector Body REV H OCT 1975 Disc Description Switches cont Rotary MODE TRIGGER Rotary MODE TRIGGER Push TRACE FINDER 43319X Lever A SOURCE A COUPLING Lever...

Страница 162: ...3 0003 00 283 0080 00 283 0080 00 283 0003 00 281 0547 00 283 0080 00 283 0080 00 283 0083 00 283 0092 00 281 0064 00 281 0547 00 283 0092 00 283 0092 00 283 0092 00 283 0080 00 152 0153 00 152 0153 00 152 0061 00 152 0126 00 20000 152 0024 00 27450 152 0061 00 152 0185 00 Complete Board Capacitors 38331 0 1 ftF 0 22 µ F 0 1 µF 0 01 µ F 0 022 µ F 0 022 µF 0 01 µF 2 7 pF 0 022 µF 0 022 µF 0 0047 µ ...

Страница 163: ...100 kn Var R901 301 0435 00 4 3Mn 1 2 w R912 316 0103 00 10 kn W R913 316 0102 00 1 kn 1 4 w R915 31 6 0474 00 470 kn 1 4 w R916 316 0101 00 lOOn 1 4 w R917 316 0104 00 100 kn 1 4 w R925 303 0153 00 15 kn lW R982 311 0465 00 100 kn Var R1004 316 0470 00 47n 1 4 w R1006 315 0123 00 12kn 1 4 w R1007 315 0123 00 12kn 1 4 w Rl008 321 0241 00 3 16 kn 1 a W Pree RlOl 1 301 0473 00 47 kn 1 2 w Rl012 316 ...

Страница 164: ...28S 0622 00 290 030S OO 1S2 0212 00 1 S2 018S OO 1S2 0l8S OO 1 S2 018S OO 1S2 01 SO OO 1S2 018S OO 1S2 018S OO 1 S2 018S OO 1S2 0066 00 1S2 0213 00 1S2 0293 00 1Sl 0224 00 1Sl 0224 00 1Sl 0224 00 1Sl 0224 00 1Sl 0224 00 20000 274SO Complete Board Capacitors 100 µF 22 µF 0 001 µF 22 µF 0 001 µF SO t tF 17 Lf 0 01 µF 0 1 µF 3 t LF Semiconductor Device Diodes 27449 Zener Silicon Silicon Silicon Zener...

Страница 165: ...20n R115l 323 0210 00 l 5 kn R1152 311 0514 00 100 n Var Rll53 323 0205 00 l 33 kn Rll54 323 0373 00 75 kn Rll56 301 0243 00 24 kn Rll59 308 0244 00 0 3n Rll63 316 0121 00 l20n Rll64 316 0123 00 12 kn Rl 181 323 0308 00 15 8 kn R1182 311 0515 00 250 n Var Rll83 323 0222 00 2 kn Rll84 323 0373 00 75 kn Rll85 316 0103 00 10 kn R1186 315 0333 00 33 kn Rll87 307 0093 00 1 2 n Rll88 316 0470 00 47n R11...

Страница 166: ... 00 152 0076 00 152 0278 00 152 0076 00 152 0278 00 108 0220 00 108 0277 00 108 0220 00 276 0S07 00 276 0S07 00 20000 274SO 20000 27450 8 pf 8 pf 6 8 pf 0 022 µ f 8 pf 8 pF 6 8 pf 0 022 µ F 10 pf 6 8 pf 1 8 13 pf Var 0 022 µ f 1 8 13 pf Var 10 pf 6 8 pf 330 pF 39 pf 330 pf 0 001 µ f 0 001 µ F Semiconductor Device Diodes 27449 27449 Inductors Silicon Zener Zener Zener Zener 0 15 µ H 0 07 µH 0 15 µH...

Страница 167: ...Pree 1 R314 322 0097 00 1000 1h w Pree 1 R321 323 0072 00 54 90 1 2 w Pree 1 R322 323 0060 00 41 2 n 1 2 w Pree 1 R323 322 0097 00 1000 1 A W Pree 1 R324 323 0181 00 7500 W Pree 1 R325 322 0124 00 191 n W Pree 1 R328 311 0480 00 5000 Var R330 315 0390 00 390 W 5 R331 315 0332 00 3 3 kn 1 4W 5 R332 323 0175 00 6490 1 2 w Pree 1 R333 322 0097 00 1000 l 4 w Pree 1 R334 323 0181 00 7500 W Pree 1 R339 ...

Страница 168: ... 20 C464 283 0080 00 0 022 Lf Cer 2SY 80 20 C466 283 0080 00 0 022 Lf Cer 2SY 80 20 C467 283 0081 00 0 1 Lf Cer 2SY 80 20 C473 281 0Sl 9 00 47 pf Cer SOOY 10 C476 281 0602 00 68 pf Cer SOOY S C482 281 OS23 00 100 pf Cer 3SOY C48S 290 0246 00 3 3 Lf Elect lS y 10 C493 283 0080 00 0 022 Lf Cer 2SY 80 20 C497 283 0092 00 0 03 Lf Cer 200Y 80 20 C498 290 0267 00 l Lf Elect 3SY C499 290 0267 00 l Lf Ele...

Страница 169: ...0000 20224 Silicon Replaceable by l N4l S2 04S9 l S2 018S Ol 2022S 34S69 Silicon Replaceable by l N4l S2 04S9 l S2 0l 8S OO 34S70 Silicon Replaceable by l N4l S2 D460 lS2 0278 00 X2022S Zener lN437A 3 Y 0 4 W 5 046S l S2 018S OO Silicon Replaceable by l N4lS2 0466 l S2 0l 8S OO Silicon Replaceable by l N4l S2 0474 l S2 0l S3 00 Silicon Replaceable by l N4244 0475 l S2 0l 2S OO Tunnel Selected TD 3...

Страница 170: ...l Model No Eff Disc Description Semiconductor Device Diodes cont Inductors 20000 20224X Silicon Silicon Silicon Silicon Silicon Silicon Silicon Silicon Silicon Silicon Silicon Silicon Core ferramic suppressor 0 2 µH Toroid 14 turns single Core ferramic suppressor Core ferramic suppressor Core ferramic suppressor Core ferramic suppressor Core ferramic suppressor Replaceable by 1N4152 Replaceable by...

Страница 171: ...1 s w Pree R405 316 0101 00 lOOn 1 4 w R406 321 0227 00 2 26 kn 1 s w Pree R407 321 0064 00 45 30 1 s w Pree R408 321 0077 00 61 9 n 1 s w Pree R409 321 0212 00 1 58 kn 1 s w Pree R411 316 0471 00 470n 11 W R412 308 0286 00 8 2kn 3W WW R413 316 0101 00 lOOn 1 W R416 316 0101 00 1000 1 4 w R417 315 0471 00 4700 1f4 w R419 321 0210 00 1 5 kn 1 s w Pree R421 315 0l03 00 10 kn 1f4 w R422 316 0100 00 l...

Страница 172: ...w R483 301 0183 00 18 kn 1 2 w 5 R484 315 0153 00 15 kn 1h W 5 R485 315 0152 00 1 5 kn 1h W 5 R486 315 0104 00 100 kn W 5 R490 315 0271 00 270n w 5 R492 315 0123 00 12 kn 1 4 w 5 R493 316 0470 00 47n 1 4W R494 31 5 01 04 00 100 kn 1 4 w 5 R495 315 0102 00 1 kn 1 4 w 5 R496 315 0222 00 2 2kn 1 4 w 5 R502 316 0101 00 1000 W R503 315 0201 00 2000 1f4 w 5 R506 315 0391 00 3900 1 4 w 5 R508 315 0202 00...

Страница 173: ...3 00 47kn W R566 315 0223 00 22 kn 1 W R567 316 0472 00 4 7 kn 1 4 w R568 316 0106 00 lOMn 1 4W _ R574 321 0248 00 3 74 kn 1 s w Pree 1 R575 321 0188 00 887n 1 s w Pree 1 R582 321 0200 00 1 18 kn 1 s w Pree R583 321 0114 00 150n 1 a W Pree 1 R585 321 0327 00 24 9 kn 1 a W Pree 1 R586 316 0470 00 47n W R587 321 0266 00 5 76 kn 1la w Pree 1 R588 321 0268 00 6 04 kn 1 s w Pree 1 R592 315 0512 00 5 1 ...

Страница 174: ... 00 470 pF Cer 500V 10 C704 281 0509 00 15 pF Cer 500V 10 C705 281 0580 00 470 pF Cer soov 10 C715 283 0080 00 0 022 µF Cer 25V 80 20 C722 281 0580 00 470 pF Cer soov 10 C731 283 0060 00 100 pF Cer 200V 5 C732 283 0080 00 0 022 µF Cer 25V 80 20 C744 283 0080 00 0 022 µ F Cer 25V 80 20 C748 281 0542 00 18 pF Cer soov 10 C755 283 0078 00 0 001 p F Cer soov C756 281 0523 00 100 pF Cer 350V C759 290 0...

Страница 175: ... 3A 4 7 mA 0714 152 0185 00 Silicon Replaceable by 1N4152 0727 152 0185 00 Silicon Replaceable by 1N4152 0728 152 0185 00 Silicon Replaceable by l N4152 0731 152 0185 00 Silicon Replaceable by 1N4152 0742 152 0249 00 Silicon Assembly 0748 152 0185 00 Silicon Replaceable by 1N4152 0752 152 0185 00 Silicon Replaceable by 1N4152 0753 152 0185 00 Silicon Replaceable by 1N4152 0754 152 0185 00 Silicon ...

Страница 176: ...pressor Core ferramic suppressor Core ferramic suppressor 0 27 J H wound on a 33 n resistor Transistors Silicon FET Tek Spec Silicon 2N4275 Silicon 2N4275 Silicon 2N4275 Silicon 2N4258 Germanium 2N964 Silicon 2N4275 Silicon 2N4275 Silicon 2N4275 Silicon 2N4275 30719 Silicon FET Tek Spec SiHcon FET selected Silicon 2N4122 Silicon 2N4122 Silicon Replaceable by 2N2913 Silicon 2N4122 Silicon 2N3692 Si...

Страница 177: ...4 31 5 0621 00 20225 620n 1 4 w R665 316 0270 00 27n 1 4W R666 315 0332 00 X20225 3 3 kn 1 4 w R667 315 0301 00 300n W R671 315 0510 00 51 n W R672 315 0271 00 270n 1 4 w R674 315 0243 00 24 kn W R676 315 0270 00 27n 1 4 w R677 31 6 0470 00 47n 1 4 w R686 315 0220 00 22n 1f4 w R688 315 0201 00 200n 1 4 w R689 315 0392 00 3 9 kn 1 4 w R702 315 0201 00 200n 1 4 w R704 315 0821 00 820n 1 4 w R705 315...

Страница 178: ...kn W Pree 1 R758 311 0514 00 100 n Var R759 321 0126 00 200n 1 a w Pree 1 R761 316 0101 00 lOOn W R763 321 0155 00 402n 1 s W Pree 1 R765 301 0822 00 8 2 kn W 5 R766 315 0122 00 1 2 kn W 5 R767 315 0361 00 360n W 5 R768 315 0682 00 6 8 kn 1 4 w 5 R769 321 0245 00 3 48 kn 1 a w Pree 1 R770 301 0622 00 6 2 kn 1 2 w 5 R771 315 0122 00 1 2 kn 1 4 w 5 R772 315 0152 00 1 5 kn 1 4 w 5 R773 301 0822 00 8 ...

Страница 179: ...5 00 121 n 1 s w Pree 1 R854 315 0103 00 JO kn 1 4 w 5 R855 311 0541 00 20 kn Var R856 315 0103 00 lo kn W 5 R862 315 0473 00 20000 30449 47 kn 1h w 5 R862 315 0273 00 30450 27kn 1 4 w 5 R863 316 0122 00 1 2 kn 1 4 w R864 315 0681 00 680n 1h w 5 R872 315 0473 00 20000 30449 47kn 1 4W 5 R872 315 0273 00 30450 27kn 1f4 w 5 R873 316 0122 00 1 2 kn 1 4 w R874 315 068l 00 680n 1f4 w 5 R882 323 0322 00 ...

Страница 180: ...0V 5 C94 283 0032 00 470 pF Cer 500V 5 C95 283 0080 00 0 022 uF Cer 25V 80 20 C96 290 0134 00 22 uF Elect 15 v C97 290 0134 00 22 uF Elect 15 v C98 283 0092 00 0 03 uF Cer 200V 80 20 C99 283 0092 00 0 03 uF Cer 200V 80 20 Cll7 281 0064 00 0 25 l 5 pF Var Tub Cll8 283 0077 00 330 pF Cer 500V 5 Cl20 281 0603 00 39 pF Cer 500V 5 Cl23 283 0081 00 0 1 uF Cer 25V 80 20 Cl24 290 0177 00 l uF Elect 50V Cl...

Страница 181: ...00V 0 25 C288 281 0505 00 12 pf Cer 500V 1 C289 281 0593 00 3 9 pf Cer 1 C293 283 0081 00 0 1 µf Cer 25V 80 20 C297 283 0081 00 0 1 µf Cer 25V 80 20 C298 281 0505 00 12 pf Cer 500V 1 C299 283 0081 00 0 1 µf Cer 25V 80 20 Semiconductor Device Diodes 018 152 0324 00 Silicon Tek Spec 034 152 0185 00 Silicon Replaceable by l N4152 035 152 0185 00 Silicon Replaceable by 1N4152 036 152 0185 00 Silicon R...

Страница 182: ...0141 02 30010 Silicon 1N4152 0231 152 0185 00 Silicon Replaceable by l N4152 0233 152 0008 00 Germanium 0235 152 0185 00 Silicon Replaceable by l N4152 Inductors L23 l08 0443 00 25 µH L43A 114 0170 00 0 15 0 25 µH Var Core 276 0506 00 L44A l 08 0182 00 0 3µH L45A l08 0170 01 0 5µH L84 276 0528 00 Core ferramic suppressor L94 276 0528 00 Core ferramic suppressor L95 276 0507 00 Core ferramic suppre...

Страница 183: ...4275 Q234 151 0190 01 38000 Silicon Tek Spec Q244 151 0223 00 Silicon 2NA 75 Q253 151 0220 00 Silicon 2N4122 Q284 151 0160 00 Silicon Selected from 2N3137 Q294 151 0160 00 Silicon Selected from 2N3137 Resistors Resistors are fixed composition 10 unless otherwise indicated R16 315 0112 00 1 1 kn W 5 Rl7 322 0630 00 980 kn 1 4 w Pree 1 Rl8 316 0105 00 lMn W Rl9 315 0182 00 l 8 kn 1 4 w 5 R20 321 031...

Страница 184: ...0n 1 4 w 5 R60 311 0465 00 100 kn Var R6l 315 0153 00 15 kn 1f4 w 5 R63 301 0122 00 1 2 kn W 5 R64 315 0331 00 3300 W 5 R66 321 0083 00 71 5n 1la w Pree 1 R83 321 0207 00 1 4 kn 1la w Pree 1 R84 315 0331 00 330n 1 4W 5 R92 321 0121 00 1780 1 s W Pree 1 R93 321 0207 00 1 4 kn 1 s w Pree 1 R94 315 0331 00 330n 1f4 w 5 R96 31 5 01 00 00 lOn 1 4 w 5 R97 315 0100 00 lOn 1 4W 5 Rll6 315 0112 00 1 1 kn 1...

Страница 185: ...4 kn 1 a W Pree R154 316 0680 00 68n W Rl55 311 0480 00 SOOn Var Rl56 315 0752 00 7 5 kn 1f4 w Rl58 301 0122 00 1 2 kn 1 2 w R159 315 0331 00 330n 1 4 w R183 321 0207 00 1 4 kn 1 s w Pree Rl84 315 0331 00 330n 1 4 w R192 321 0121 00 178n 1 s W Pree R193 321 0207 00 1 4 kn Va w Pree Rl94 315 0331 00 330n W R195 315 0473 00 47kn nominal value Selected R197 315 0100 00 lOn 1J4 w R199 315 0100 00 lOn ...

Страница 186: ...321 0197 00 32l 0087 00 315 0331 00 31 5 022l 00 323 0099 00 315 0752 00 315 0621 00 321 0087 00 315 0120 00 Wired or Unwired 260 0447 00 276 0576 00 120 0384 00 Eff 20000 38000 Disc Description Resistors cont 3 3 kn W 68 1 n 1 s W 1 kn W 37999 75 kn 1 4 w 47kn 114 w 3 9kn W 2 2 kn W l kn 1 4 w 715 n 1 s w 36 kn W 2 74 kn 1 s w 5 9 kn 1 s w l 33 kn 1 s w 499n 1 s w 162 n 1 s w l62n 1 s W 715 n 1 s...

Страница 187: ...el height or high hexagonal hex head brass hex head steel hex socket brass hex socket steel inside diameter incandescent int lg met mtg hdw OD OHB OHS P 0 PHB PHS piste PMC poly prec PT PTM RHB RHS SE SN or S N Sor SW TC THB thk THS tub var w WW internal length or long metal mounting hardware outside diameter oval head brass ovaI head steel part of pan head brass pan head steel plastic paper metal...

Страница 188: ...ng information in your order Part number instrument type or number serial or model number and modification number if applicable If a part you have ordered has been replaced with a new or improved part your local Tektronix Inc Field Office or representative will contact you concerning any change in part number xooo oox 000 0000 00 Use 000 0000 00 SPECIAL NOTES AND SYMBOLS Part first added at this s...

Страница 189: ... D475 Q473 t AUTO IEXT TRIG I MULTJVIBRATOR INPUT Q484 Q494 Q485 Q SING LE SWE E P RE SE T Q5b4 SIN LE SWE E P INDICATOR Q594 B TRJGGE R 8 TRIGGER B TRIC G ER INPUT COMPARATOR GiE NE R ATOR f f Q63 Q 043 0654 0064 0 75 Q684 DE LAY UNE 1 i DRIVE R DE L Y LINE QZ 84 Q294 i I YE RTIC L CHOP BLANKING A MPLIFIE R Q244 A UNBLANKINC AMPLIFIER QSl4 QS24 t HOLDOFF CIRCUIT C550 A SWE E P GATING MULTIV18RATO...

Страница 190: ...H 1 NORM Pushed in A and 0 AC INT 0 20 1 ms 1 ms CAL 8 if applicable applicable AUTO TRIG TRIGGERABLE AFTER DELAY TIME A OFF FULL Midrange Midrange ON B TIME DIV VARIABLE CAL CALIBRATOR 1 V All voltages given on the diagrams are in volts W aveforms shown are actual waveform photographs taken with a Tek tronix Oscilloscope Camera System and Projected Graticule Voltages and waveforms on the diagrams...

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Страница 212: ...o 7 9S 1 I 1 z v ti 2 v 00 O l Z I Ill DE C I g9 F DEC 12v 12 v I A D __ _ _ _ _ _ __ __ _ ___ _ __ _ _ _ 12v I R 9b 1 2 V TO A C29 o1 l 00 m I 1 2 V DE C __ l Z V DEC C 9 0 C JS 221 F I 1 0 2 l 7 1L95 V E RTICAL COW ITCHIN6 3 CHANNE L I P E AMP 0 E RTiCAL PRE AMP BOARD CHANNE L Z PRE AMP 0 7 ROE VG Aq 75V j 7 V J 710 c l Z V j l Z V f2 11ea7 1 2 V e 1 2 V I 1 7 V f l Z V mH 2 I 12v I _ _ _ _ _ _ ...

Страница 213: ... 29 c 11 o 001 R1164 01104 l Z I 75 1 Cllb4 oµ F Rll83 21 12 V Q 163 4 4 1 2 Q 154 Rll 1 3 1 1 2 V I Z 4 R 11 T 271 l OW VOLTAC E RE C ULATOR OARD SEE PARTS UST FOR EARLIER VALUES AND SERIAL NUMBER RANGES OF PARTS MAIUCEO WITH IW UE oun1NE 11 12 0 E E PART L I T FOR MIC ONDUC TOR TYPE VOL AGES ibtauied under c ond1t1ons i diagram 1 Rll 7 so 75V 75V 710 l 2V l 2 V 1 2 V Z V 12v l K c ___________ 1 ...

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Страница 217: ...hased separately unless otherwise specified PARTS ORDERING INFORMATION Replacement parts are available from or through your local Tektronix Inc Field Office or representative Changes to Tektronix instruments are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest circuit improvements developed in our engineering department It is ther...

Страница 218: ...ENERATOR FIG 2 ATTENUATOR PREAMPLIFIER ASSEMBLY A B TIMING SWITCH FIG 3 CRT SHIELD HORIZONTAL AMPLIFIER FIG 4 A B SWEEPS FIG 5 HIGH VOLTAGE ASSEMBLY HORIZ DISPLAY SWITCH FIG 6 REAR CHASSIS Z AXIS AMPLIFIER FIG 7 FRAME CABINET CRT CIRCUIT FIG 8 R453 MECHANICAL PARTS POWER SUPPLY DISTRIBUTION FIG 9 453 R453 ACCESSORIES CALIBRATOR ...

Страница 219: ... ID x 3 a inch OD l LOCKWASHER internal 114 ID x 0 400 inch OD KNOB charcoal FOCUS knob includes SCREW set 6 32 x 3 i 6 inch HSS KNOB charcoal SCALE ILLUM knob includes SCREW set 6 32 x 3 1 6 inch HSS KNOB red VARIABLE CH 1 knob includes SCREW set 6 32 x 1 e inch HSS KNOB charcoal VOLTS DIV CH 1 knob includes SCREW set 6 32 x 3 i 6 inch HSS KNOB charcoal POSITION CH 1 knob includes SCREW set 6 32 ...

Страница 220: ...ounting hardware for each not included w connector BUSHING plastic CABLE HARNESS ROD extension RESISTOR variable mounting hardware not included w resistor 2 NUT hex 32 x inch 1 LOCKWASHER internal ID x inch OD BRACKET mounting hardware not included w bracket 1 LOCKWASHER internal 6 not shown 1 LUG solder SE 6 2 NUT hex 5 40x1 4 inch 2 CAPACITOR mounting hardware for each not included w capacitor L...

Страница 221: ...x 3 a 32 x 7 16 inch 376 0014 00 COUPLING mounting hardware not included w switch 52 210 0978 00 WASHER flat ID x inch OD 53 210 0590 00 NUT hex 3 e 32 x 7 16 inch 54 366 0189 00 KNOB red MAG knob includes 213 0020 00 SCREW set 6 32 x 1 e inch HSS 55 366 0322 00 KNOB charcoal HORIZ DISPLAY knob includes 213 0004 00 SCREW set 6 32 x 3 16 inch HSS 56 262 0725 02 SWITCH wired HORIZ DISPLAY switch inc...

Страница 222: ...E A TRIGGERING mounting hardware not included w switch 71 220 0413 00 2 NUT switch 4 40 x 3 16 x 0 562 inch 72 366 0215 01 KNOB charcoal COUPLING A TRIGGERING 73 366 0215 01 KNOB charcoal SOURCE A TRIGGERING 262 0723 00 SWITCH wired COUPLING SOURCE switch includes 74 260 0700 00 1 SWITCH lever COUPLING 75 260 0698 01 1 SWITCH lever SOURCE 76 131 0371 00 2 CONNECTOR single contact female mounting h...

Страница 223: ...NECTOR single contact female mounting hardware not included w switch NUT switch 4 40 x 3 16 x 0 562 inch SWITCH toggle POWER ON mounting hardware not included w switch LOCKWASHER internal 1 4 ID x 0 400 inch OD WASHER flat 114 ID x13 a inch OD NUT hex 114 40 x 5 116 inch 3 CONNECTOR coaxial 1 contact BNC w hardware 4 FILTER lens clear 1 FILTER lens green 2 HOLDER neon black 3 HOLDER neon white 5 C...

Страница 224: ...mounting hardware not included w socket LUG solder 1 4 ID x 7 16 inch OD SE NUT hex 1 4 40 x 5 16 inch BOLT current loop mounting hardware not included w bolt 2 NUT hex 3 48 x 114 inch 1 SPACER 2 WASHER fiber shouldered 4 2 WASHER flat 0 125 ID x 0 250 inch OD 2 LUG solder SE 4 2 NUT hex 3 48 x 3 16 inch RESISTOR variable mounting hardware not included w resistor LUG solder 1 4 inch BUSHING SWITCH...

Страница 225: ...0000 Serial Model No Eff Disc 33319X Mechanical Parts List Type 453 R453 FIG 1 FRONT cont Q t y 1 2 3 4 5 Description SCREW captive 6 32 x inch FHS WASHER plastic 5 32 ID x inch OD RING retaining PIN hinge WASHER flat 0 204 ID x 0 438 inch OD RING retaining CABLE HARNESS main cable harness includes 12 CONNECTOR single contact female 1 CABLE HARNESS horizontal display A 9 7 ...

Страница 226: ...inal stand off 61 0 0473 01 ASSEMBLY attenuator chassis assembly includes 11 131 0180 00 20000 35439 CONNECTOR terminal 131 0181 00 35440 CONNECTOR terminal mounting hardware not included w connector 358 0135 00 20000 35439 BUSHING plastic not shown 358 0136 00 35440 BUSHING plastic not shown 12 260 0621 00 SWITCH lever AC GND DC mounting hardware not included w switch 211 0105 00 2 SCREW 4 40 x 6...

Страница 227: ...nting hardware not included w resistor 19 210 0583 00 1 NUT hex 1 4 32 x 5 M inch 20 386 0225 00 1 PLATE attenuator 21 262 0727 01 SWITCH wired MODE switch includes 260 0695 01 1 SWITCH unwired 22 131 0371 00 8 CONNECTOR single contact female 23 407 0157 00 1 BRACKET switch 24 210 0012 00 2 LOCKWASHER internal 3 a ID x inch OD 25 21 0 0413 00 1 NUT hex 3 a 32 x 1 2 inch 26 384 0679 00 2 SHAFT exte...

Страница 228: ...nector 358 0135 00 BUSHING plastic not shown 44 136 0235 01 2 SOCKET diode 6 contact plastic 45 136 0235 00 2 SOCKET diode 6 contact 46 136 0183 00 2 SOCKET transistor 3 pin 47 136 0220 00 14 SOCKET transistor 3 pin 48 136 0261 00 6 SOCKET connector pin 49 200 0642 00 1 CAP mounting hardware not included w assembly 50 211 0116 00 5 SCREW sems 4 40 x 5 1 6 inch PHB 51 343 0088 00 CLAMP cable 52 179...

Страница 229: ...uded w clamp 16 211 0599 00 2 SCREW 6 32 x inch FIL HS 17 220 0444 00 2 NUT square 6 32 x 1 4 inch 18 352 0091 01 2 HOLDER CRT retainer mounting hardware for each not included w holder 19 211 0590 00 2 SCREW 6 32 x inch PHS 20 343 0123 01 2 CLAMP CRT retainer 21 220 0444 00 1 NUT square 6 32 x 1 4 inch 22 211 0600 00 1 SCREW 6 32 x 2 inches FIL HS 23 343 0122 01 2 CLAMP 213 0049 00 2 SCREW 6 32 x ...

Страница 230: ...36 0202 00 214 0464 00 35 200 0616 00 FIG 3 CRT SHIELD cont Serial Model No Eff Disc Q t y 1 2 3 4 5 CONNECTOR anode connector includes Description 1 CONNECTOR anode clip FT CABLE high voltage 1 COVER anode connector 1 ASSEMBLY CRT socket assembly includes SOCKET CRT socket includes 1 SOCKET CRT 14 CONTACT CRT 1 COVER CRT socket 9 12 REV B OCT 1975 ...

Страница 231: ...16 00 6 SCREW sems 4 40 x 5 u inch PHB 21 343 0089 00 7 CLAMP cable plastic large 22 343 0088 00 2 CLAMP cable plastic small 23 407 Ql 44 00 1 BRACKET capacitor mounting mounting hardware not included w bracket 24 211 0504 00 4 SCREW 6 32 x inch PHS 25 344 0l l 6 00 20000 38689 CLIP capacitor mounting 344 0l 40 00 38690 CLIP capacitor mounting mounting hardware not included w clip 26 211 0007 00 2...

Страница 232: ...ble harness includes 38 131 0371 00 36 CONNECTOR single contact female 39 407 0150 00 1 BRACKET outer support bracket includes 40 252 0571 00 FT NEOPRENE extruded 0 208 foot mounting hardware not included w bracket 211 0504 00 2 SCREW 6 32 x 1 4 inch PHS not shown 41 670 0417 02 ASSEMBLY circuit board A Sweep assembly includes 388 0644 02 1 BOARD circuit 42 136 0220 00 26 SOCKET transistor 3 pin 4...

Страница 233: ...TRIP ceramic 7 16 inch h w 4 notches STRIP ceramic 7 16 inch h w 2 notches mounting hardware not included w board SCREW 4 40 x inch BH plastic BOARD high voltage plastic board includes 8 STRIP ceramic 2 notches 4 STRIP ceramic 4 notches 1 CONNECTOR terminal stand off 1 CONNECTOR terminal feed thru 2 BUSHING plastic not shown 3 WASHER rubber 1 RESISTOR variable mounting hardware not included w resi...

Страница 234: ...h OD 11 220 0471 00 3 NUT stepped round 4 40 x 0 217 inch long 129 0006 00 X30720 33319X POST stand off not shown mounting hardware not included w post 210 0457 00 X30720 33319X NUT keeps 6 32 x 5 16 inch 12 380 0114 00 HOUSING air flow 13 SWITCH thermostatic mounting hardware not included w switch 14 213 0044 00 2 SCREW thread cutting 5 32 x 3 16 inch PHS 15 3 TRANSISTOR mounting hardware for eac...

Страница 235: ...e not included w strip 2 SPACER plastic 0 156 inch long 2 STRIP ceramic 7 M inch h w 20 notches each strip includes 2 STUD plastic mounting hardware for each not included w strip 2 SPACER plastic 0 156 inch long LUG solder SE 6 mounting hardware not included w lug SCREW thread forming 5 32 x 3 16 inch PHS 5 GROMMET plastic 1 2 inch 2 GROMMET plastic 5 s inch 1 BRACKET regulator mounting hardware n...

Страница 236: ...stor 3 pin 54 136 0220 00 4 SOCKET transistor 3 pin mounting hardware not included w board 55 211 0040 00 3 SCREW 4 40x1 4 inch BH plastic 56 214 0781 00 20000 39319X 3 INSULATOR plastic 57 343 0088 00 6 CLAMP cable small 58 179 0987 02 1 CABLE HARNESS low voltage regulator 59 407 0146 00 1 BRACKET upper vertical preamp board 60 407 0147 00 1 BRACKET upper vertical preamp board 61 670 0416 00 1 AS...

Страница 237: ...4 40 x 3 16 inch ASSEMBLY circuit board Z AXIS assembly includes 1 BOARD circuit 20 PIN connector 3 PIN test point 4 SOCKET transistor 3 pin 4 SOCKET transistor 3 pin mounting hardware not included w socket 3 SCREW sems 4 40 x 5 16 inch PHB CABLE HARNESS A sweep cable harness includes 37 CONNECTOR single contact female 1 PLATE center bulk head 2 GROMMET plastic inch 2 GROMMET plastic 0 354 ID x 0 ...

Страница 238: ...iption 2 RIVET heat sink not shown 4 NUT sleeve BOX high voltage mounting hardware not included w box 6 SCREW 6 32x1 4 inch PHS 3 CLAMP cable inch mounting hardware for each not included w clamp 1 SCREW 6 32 x 5 16 inch PHS l WASHER D type 0 191 x 33 64 x 33 64 inch long l NUT keps 6 32 x 5 16 inch CAPACITOR mounting hardware not included w capacitor 2 SCREW 6 32 x 1 4 inch PHS 2 LOCKWASHER intern...

Страница 239: ... x 6 inch PHS 21 0 0004 00 LOCKWASHER internal 4 112 210 0406 00 NUT hex 4 40 x 3 16 inch 113 131 0271 00 CONNECTOR right hand mounting mounting hardware not included w connector 211 0097 00 SCREW 4 40 x5 u inch PHS 210 0004 00 LOCKWASHER internal 4 210 0406 00 NUT hex 4 40 x 3 u inch 114 131 0157 00 2 CONNECTOR terminal standoff 131 0158 00 2 CONNECTOR terminal feed thru 115 211 0517 00 l SCREW 6...

Страница 240: ...CH ASSEMBLY 4 FOOT rubber 2 PIN hinge plastic FT EXTENSION neoprene 3 feet 1 CUSHION cover bottom 1 DOOR accessory storage door includes 1 HOLDER fuse storage 1 BODY latch 1 STEM latch 1 CUSHION cover 1 PLATE cabinet bottom 4 FOOT rubber mounting hardware for each not included w foot LOCKWASHER external 6 SCREW 6 32 x 114 inch PHS PLATE cabinet top HANDLE carrying mounting hardware not included w ...

Страница 241: ...nting hardware not included w plate 4 SCREW 6 32 x 1 4 inch THS PLATE mounting hardware not included w plate 2 SCREW 6 32 x 1 4 inch PHS 1 FASTENER power cord 1 CORD power 3 onductor 1 RETAINER cable to cable not shown 1 BODY line voltage selector mounting hardware not included w body 2 LOCKWASHER internal 6 not shown 2 NUT hex 6 32 x 114 inch not shown COVER line voltage selector cover includes 2...

Страница 242: ...cluded w cover 10 212 0001 00 2 SCREW 8 32 x 114 inch PHS 211 0502 00 1 SCREW 6 32 x 3 16 inch 100 csk FHS not shown 11 200 0667 00 COVER top mounting hardware not included w cover 12 212 0001 00 2 SCREW 8 32 x 114 inch PHS 13 211 0502 00 1 SCREW 6 32 x 3 16 inch 100 csk FHS 14 386 1 064 00 PLATE side mounting hardware not included w plate 15 212 0043 00 4 SCREW 8 32 x inch 100 csk FHS 16 212 0040...

Страница 243: ... y 4 2 1 3 Description 1 2 3 4 5 SCREW 1 4 20 x inch HSS SPACER stepped PLATE hinge mounting hardware not included w plate SCREW 6 32 x 3 M inch PHS 1 BUSHING black plastic 1 SCREW 6 32 x 5 16 inch PHS 4 PLUG gray plastic 1 PLATE rear 4 SCREW 8 32 x 5 e inch PHS 1 WASHER centering mounting hardware not included w washer SCREW 6 32 x 5 16 inch PHS NUT keps 6 32 x 5 u inch 2 PLATE pin retaining moun...

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