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Calibration— Type 1A1

I

V -

R

(

r

Optimum Square Corner

and Flat Top within

1.6 mm Pe ak-to- Peak

j _____

-

-

j

Sweep Rate:

0.1 /xsec/cm

(A ) Channel 2.

i

>

R

r

_____

j

-

-

Sweep Rate:

20 nsec/cm

IB I Channel 2.

Fig. 7 -3 2 . Typical Channel 2 waveforms obtained when the high-

frequency-compensating adjustments are set properly a t a vertical

deflection factor of 0 .0 5 volts/cm.

g. INTERACTION— If C129D is adjusted, check Chan

nel  1  waveform  at  a  vertical  deflection  factor  of  .05  volts/
cm  using  step  22  as  a  guide  for  the  setup.  Adjust  Cl 28
if  the  top  leading  corner  is  not  optimum.

h. Disconnect the signal from the Channel 1 INPUT con

nector and apply it to the Channel 2 INPUT connector.

i. Set the MODE switch to CH 2 and the Channel 2

VOLTS/CM switch to .005.

j. Check that the waveform is 4 cm in amplitude and

positioned to the same location as described for the pre

vious channel.

I

(

R

• - (

or

4 cm

Optimum

and Fiat

Squc

Top

•eak-l

re Cc

within

o-Pea

rner

k -•+

n . e

mm

y f

L

-

-

Sweep Rate:

0.1 /xsec/cm

IA I Channel 1.

i

1

1

1

1

- Optimum Square Corner
- and Flat Tod within

- I -

R

1.6 mm Peak-to

-X

o

ata.

•

V

D

i

i

-

-

—*

t

Sweep Rate:

0.1 /xsec/cm

IB) Channel 2.

Fig. 7 -3 3 . Typical Channel 1

and 2 waveforms obtained when

C129D and C229D are set properly at a vertical deflection factor

of 0 .0 0 5 volts/cm.

k. CHECK— Channel 2 CRT display for optimum square

corner (see Fig. 7-33B). Ringing, rounding, overshoot and
tilt should not exceed 1.6 mm (or 4%) peak to peak for a

4-cm amplitude display.

l

. ADJUST— C229D (see Fig. 7-31 A) for optimum top lead

ing  corner  on  the  displayed  waveform.  If  C229D  has  in
sufficient  range,  change  shunt  capacitor  C229F  (see  Fig.
7-31A)  to  a  value  that  permits  proper  adjustment  range.

m. INTERACTION— If C229D is adjusted, check Channel

2 waveform at a vertical deflection factor of .05 volts/cm

using step 22 as a guide for the setup. Adjust C228 if the

top leading corner is not optimum.

n. Disconnect the Type 106 signal from the Type 1A1.

7-28

®2

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Содержание 1A1

Страница 1: ...I V IA I X IUAL Serial Number TYPE 1A1 Dual Trace Plug in Unit SN 20 000 U p Tektronix Inc S W Millikan Way P O Box 500 Beaverton Oregon 97005 Phone 644 0161 Cables Tektronix 070 0885 00 468 ...

Страница 2: ...uests for repairs and re placement parts should be directed to the Tektronix Field Office or representative in your area This procedure will assure you the fastest possible service Please include the instrument Type and Serial or Model Number with all requests for parts or service Specifications and price change privi leges reserved Copyright C l 1964 new material copyright 1966 1968 by Tektronix ...

Страница 3: ...ymbols Parts Ordering Information Electrical Parts List Mechanical Parts List Information Mechanical Parts List Diagrams Mechanical Parts List Illustrations Accessories Abbreviations and symbols used in this manual are based on or taken directly from IEEE Standard 260 Standard Sym bols for Units1 MIL STD 12B and other standards of the electronics industry Change information if any is located at th...

Страница 4: ...IT IIK T IO N IX IN C f O lH A N O O U O ON U A ______________________ CALIBRATED PREAMP VARIABLE VOLTS CM VARIABLE VOLTS CM POSITION CHANNEL 1 CM 1 moot out CHANNEL 2 Fig 1 1 Type 1A1 Dual Trace Plug In Unit Type 1A1 http manoman sqhiH com ...

Страница 5: ...ype 1A1 can also be used with other oscilloscopes and devices through the use of the Types 127 132 or 133 Plug In Power Supplies CALIBRATED PREAMPLIFIER Characteristic Performance Requirement Supplemental Information Deflection Factor 5mV cm to 20 volts cm in 12 calibrated steps for each channel Steps in 1 2 5 sequence Deflection Accuracy Within 3 of indicated deflection with VARIABLE VOLTS CM con...

Страница 6: ...d switch is set to Chopped Blanking Common Mode Rejection Ratio 20 1 for 1 kHz common mode signals up to 10 cm in amplitude With optimum GAIN adjustment for both channels Polarity Inversion Signal on either Channel 1 or 2 can be inverted Trace Drift after warm up VOLTS CM at 005 Typically less than 5 mV hour Noise any position of INPUT SE LECTOR switch Approximately 200 x volts internal noise peak...

Страница 7: ...ble terminated in 50 ohms was used to drive the Type 1A1 MECHANICAL CHARACTERISTICS Finish Anodized front panel Characteristic Information ACCESSORIES Construction Aluminum alloy chassis with three plug in circuit cards and two circuit boards Standard accessories supplied with this instrument will be found on the last pull out page of the Mechanical Parts List For optional accessories see the curr...

Страница 8: ...P Dual trace chopped mode of op eration free running electronic switching of channels at about a 1 MHz rate ADD Permits adding the outputs of the two channels algebraically CH 2 Permits the use of Channel 2 only CH 1 SIGNAL Output signal from Channel 1 Permits OUT patching the amplified Channel 1 signal into Channel 2 CH 1 TRIGGER Trigger signal from Channel 1 Permits the OUT use of Channel 1 as a...

Страница 9: ...et the oscilloscope Time Cm switch to 5 is and adjust the oscilloscope trigger controls to obtain a stable display Notice that each trace is composed of many short duration bits or segments with visible switching transients existing between channels see Fig 2 2A 10 To see the chopped mode switching action clearly increase the sweep rate to 0 2 yis cm Notice that Channel 1 is on for about 0 5 xs wh...

Страница 10: ...y should be a straight line indicating the algebraic difference between the two signals Since both signals have equal amplitudes and waveshape the difference is zero 16 Set the oscilloscope calibrator for 20 mV output 17 Set the Channel 1 VOLTS CM switch to 005 and the MODE switch to CH 2 18 Disconnect the Channel 1 end of the coaxial cable that connects between Channels 1 and 2 Do not discon nect...

Страница 11: ...Gain Adjustments procedure except the IN PUT SELECTOR switch must be set to GND and the VOLTS CM switch to 005 2 Carefully adjust the Channel 1 005 V CM VAR ATTEN BAL control to a point where there is no trace shift as the Channel 1 VARIABLE VOLTS CM control is turned back and forth through its full range 3 Set the MODE switch to CH 2 4 Carefully adjust the Channel 2 005 V CM VAR ATTEN BAL control...

Страница 12: ...se as shown in the right hand picture of Fig 2 5 NOTE If a square wave source other than the oscilloscope calibrator is used for compensating the probe do not use a repetition rate higher than 5 kHz At higher repetition rates the waveform amplitude appears to change as the probe is compensated Thus proper compensation is difficult If the probe remains improperly compensated transient and frequency...

Страница 13: ...reflection from 15 pF at termination Sensitivity is reduced in creased deflection factor BNC coaxial attenuators R0 only DC and AC loading on test point Power limit of attenuator 6 Tap into terminated coaxial system BNC T US 274 U at Type 1A1 input Permits signal to go to normal load DC or AC coupling without coaxial attenuators 15 pF load at tap point BNC T and BNC connec tors on signal cables 1 ...

Страница 14: ...A1 Oscilloscope 3 0 MHz Measure signal currents without breaking the cir cuit under test Basic de flection factor 0 2 mA cm with Type 1A1 VOLTS CM switch set to 01 4 Low frequency limit 12 Hz None if probe and am plifier are purch a se d with power supply as a complete sef Insertion Z 2 8 i h paral leled by 0 004 Q in series with 1 7 nH When changing probes check the Low Freq and Gain adjustments ...

Страница 15: ...VOLTS CM control ex tends the vertical deflection factor to about 50 volts cm By applying the oscilloscope calibrator voltage or any other calibrated voltage source to the Type 1A1 any specific deflection factor can be set within the range of the VARI ABLE VOLTS CM control PULL FOR INVERT Switch The PULL FOR INVERT NORM INVERT switch may be used to invert the displayed waveform particularly when u...

Страница 16: ...ation and Chan nel 1 only triggering the Channel 1 waveform will remain stationary while the Channel 2 waveform will appear to be free running However if the frequency of the Channel 2 signal is changed so that it becomes synchronized with the Channel 1 signal or vice versa then the two signals will appear as stationary displays on the CRT This is one ap plication which can be useful for determini...

Страница 17: ...s higher and the display is bright er if AC Fast or AC LF Reject triggering mode is used In either of these triggering modes a smaller value coupling capacitor is used in the oscilloscope trigger input circuit as compared to the value used in the AC or AC Slow trig gering mode Trigger recovery time can be shortened and triggering will be more stable if high frequency waveform displays are vertical...

Страница 18: ... NOTE For optimum bandwidth and transient response use the coaxial cable Tektronix Part No 012 0076 00 furnished with the unit As an alterna tive method use a 3 inch wire made from No 18 solid tinned copper wire CAUTION Do not apply external voltages to either the CH 1 SIGNAL OUT or TRIGGER OUT connectors as this may damage the internal circuits Shorting the connectors to ground however w ill not ...

Страница 19: ...ernal Horizontal input connector use Channel 2 for the Y axis signal b the sig nal from the CH 1 SIGNAL OUT connector can be used to drive recording equipment Operating Instructions Type 1A1 Advantages of Using The Channel 1 Trigger Out Amplifier In addition to the previously given operating information concerning the Type 1A1 CH 1 TRIGGER OUT connector and the Internal Plug In triggering source t...

Страница 20: ...gnal before distortion occurs is 50 mV when Channel 1 VOLTS CM switch is set to 005 A suitable filter must be used to reduce the noise level accompanying the CH 1 TRIGGER OUT signal when observ ing such low level input signals Fig 2 6 shows how to con struct a low pass filter and determine the value of capaci tance to use for the 3 dB down point the bandwidth of the filter The upper bandwidth 3 dB...

Страница 21: ...to the Channel 1 INPUT connector preferably through a coaxial cable or an attenuator probe 3 Set the MODE switch to CH 1 4 Set the triggering controls to obtain a stable dis play and set the sweep rate to display several cycles of the waveform 5 Use the Channel 1 POSITION control to vertically position the waveform to a point on the CRT where the waveform amplitude can be easily determined For exa...

Страница 22: ...ut con nector The Type 1A1 is now ready to use in making signal meas urements Use the Channel 1 VOLTS CM switch 005 01 02 and 05 positions in the conventional manner The vertical deflection factors will be the same as the Channel 1 VOLTS CM switch reading For example assume a vertical deflection of 3 5 cm using the 10X probe with the Channel 1 VOLTS CM switch set to 01 Substituting these values in...

Страница 23: ...sion Factor and True Deflection Factor formulas Deflection Conversion Factor 30 4 5 1 5 True Deflection 5 1 5 7 5 volts cm Factor 4 To determine the peak to peak amplitude of a signal to be compared disconnect the reference signal and apply the signal to Channel 1 5 Set the Channel 1 VOLTS CM switch to a setting that will provide enough deflection so that a measurement can be made 6 Measure the ve...

Страница 24: ...between the leading edge of the reference waveform and the leading edge of the waveform displayed by Channel 2 Then substitute these values in the preceding formula _ _ 2 us 3 cm Time Delay 1 2 s o Phase Measurements Phase comparison of two signals of the same frequency can be made using the dual trace feature of the Type 1A1 To make the comparison proceed as follows 1 Follow the procedure outline...

Страница 25: ...ut do not change the setting of the oscillo scope Variable Time Cm control However you must consider this increase in your calculations For example if you increase the sweep rate by a factor of 5 and then measure the distance between waveforms each cm will represent 8 40 r 5 of a cycle Thus phase difference up to 80 can be measured more accu rately When preparing to make the measurement hori zonta...

Страница 26: ...nd hence the amount that the signal is amplified In the remaining positions of the VOLTS CM switch 1 through 20 individual attenuator networks are switched into the gate circuit of Input Source Follower Q122 so the sig nal applied to the gate is always 0 05 volt for each centi meter of CRT deflection providing the VARIABLE VOLTS CM control is set to the CALIB position and the gain of the Type 1A1 ...

Страница 27: ...adjustment range is provided for the variable input capac itors in the attenuators and the X I input circuit such as C l04 for example The input capacitance is effectively reduced two ways 1 By encircling Q122 gate terminal with an etched wire and connecting this etched wire to the source element 2 by connecting D119 diode case lead to Q122 source element instead of ground Capacitance exists be tw...

Страница 28: ...e input signal is positive going at the Channel 1 con nector for example the display waveform will also be positive going However when the switch is set to the invert position the display will be inverted because the switch reverses the signal leads to the bases of the fol lowing stage Thus a positive going signal will be dis played as a negative going waveform The INV BAL control R152 in the base...

Страница 29: ...Circuit Description Type 1A1 Fig 4 2 Simplified circuit diagram showing the main DC current paths when Channel 1 is on and Channel 2 is off 4 4 ...

Страница 30: ...y allow the Switching Multivi brator to operate at its correct design levels Output Amplifier Second Stage Q 464 V 464 Q474 V474 This stage is a push pull hybrid cascode configuration The hybrid circuit is used to raise the 4 6 volt input level at the bases of Q464 and Q474 to the 67 5 volt output level required for driving the oscilloscope vertical ampli fier for linear operation Signals applied ...

Страница 31: ...result both emitters are now returned to 39 volts through D301 D311 and R300 Under these conditions the Q315 base biasing network cuts off Q315 and the base biasing network for Q305 turns on Q305 Diode D303 is conducting while D313 is reverse biased These diodes control the base impedance of their respective transistors so that proper currents are provided for the operation of transistors in each ...

Страница 32: ...f and Channel 1 on During the time that Channel 1 is on A Sweep Generator is gen erating its sweep so the signal in Channel 1 can be dis played Channel 2 meanwhile is turned off as long as Q315 is cut off 3 Chopped Mode of Operation When the MODE switch is set to the CHOP position the Switching Multivibrator becomes an astable circuit It free runs at approximately a 1 MHz rate driving the diode sw...

Страница 33: ...However due to the nature of the circuitry some intensification of the unblanked trace does occur during the sweep Setting the MODE switch to the CHOP position causes the Switching Multivibrator to free run as stated earlier The ramp pulses at the junction of C301 and C311 are applied through R341 to the base of Q343 in the Blank ing Multivibrator stage In its quiescent state Q343 is cut off and Q...

Страница 34: ...tor in the oscilloscope depending on whether the oscilloscope has two time bases or one The nuvistors in the Type 1A1 draw about 135 mA which leaves about 15 mA to be shunted through R494 In the heater string branch circuit the total drop of the heaters including R491 and R492 connected in series is about 36 volts This 36 volt drop leaves about 39 volts which is applied to the Channel 1 and 2 emit...

Страница 35: ...e life of rotary switches is lengthened if they are properly lubricated Use a cleaning type lubricant such as Cramoline on shaft bushings plug in connector contacts and switch con tacts Lubricate the switch detents with a heavier grease Beacon grease No 325 or equivalent The necessary mater ials and instructions for proper lubrication of Tektronix instru ments are contained in a component lubricat...

Страница 36: ...them from Tektronix Inc Before purchasing or ordering replace ment parts consult the Electrical Parts List for value toler ance and rating NOTE When selecting replacement parts it is important to remember that the physical size and shape of a component may affect its performance at high fre quencies All replacement parts should be direct replacements unless it is known that a different component w...

Страница 37: ... must never be soldered to the gate terminal of the FET A card is essentially a circuit board that can be plugged into a socket the socket is used to make circuit connections to the card A circuit board on the other hand is fastened with screws to a permanent mount connections to a circuit board are made by pin connectors and or soldered leads to the board Soldering to Metal Terminals When solderi...

Страница 38: ...afer Wiring Color Code All insulated wire used in the Type 1A1 is color coded to facilitate circuit tracing The widest color stripe identi fies the first color of the code Power supply voltages can be identified by three color stripes and the following back ground color code white positive voltage tan negative voltage Table 5 1 shows the wiring color code for the power supply voltages used in the ...

Страница 39: ...put to the oscilloscope used with the Type 1A1 must be within voltage and harmonic distortion limits This ensures that the oscilloscope low voltage power supplies will regulate properly Test Equipment Following is a list of equipment useful in troubleshoot ing the Type 1A1 1 Transistor tester Tektronix Type 575 Transistor Curve Tracer to test transistors and diodes used in the Type 1A1 2 VOM or VT...

Страница 40: ...iven in the table would be more typical Troubleshooting Table Table 5 3 is a list of typical symptoms their possible causes and the probable circuit at fault Since it is impos sible to list every kind of symptom that might happen those that are included here may give you a clue to the most likely area to check To locate the exact cause of a trouble when it is not listed in the table use the conven...

Страница 41: ...RX1K VOM used to obtain these measurements was a 20 000 J2 V DC meter with a mid scale reading of 4 5 k 2 on the RX1K range For this range the mid scale deflection current is 160 tA full scale current is 3 2 0 tA Ohmmeter leads are first connected one way and then the other way to get the two readings TABLE 5 3 Trouble Isolation Procedure Checks to Make Symptom Some Possible Causes Probable Circui...

Страница 42: ...age 343 Q353 11 No signal or insufficient amplitude signal at CH 1 SIGNAL OUT or CH 1 TRIGGER OUT connectors No internal triggering on Channel 1 only Q163 Q164 Q173 or Q174 defective Check Channel 1 Signal pickoff Emitter Follower and Amplifier stages 12 No signal or insufficient amplitude signal at CH 1 TRIGGER OUT con nector Q184 and Q194 defective Check Channel 1 Trigger Output Ampli fier stage...

Страница 43: ...ning sweep 2 Voltmeter shows a reverse bias reading but does not indicate con duction of diode during positive going sync pulse duration preferred the Calibration Procedure in Section 7 can be used The advantage of using the Calibration Procedure is that the control setups provide convenient starting places when steps are performed out of sequence To signal trace the Type 1A1 amplifier stages proc...

Страница 44: ...nts due to the effects of surrounding circuitry 1 Tube The best check of tube operation is actual per formance under operating conditions If the tube is suspected of being defective it can best be checked by substituting a new tube or one which has been previously checked Turn off the oscilloscope power when substituting the tube 2 Field Effect Transistors FET Best check is to make a temporary che...

Страница 45: ...her a diode is defective or not turn off the oscilloscope power unsolder one lead of the diode from the circuit and check the forward to back resistance ratio Observe the same precautions as those described when checking transistors If the ohmmeter checks prove unsatis factory use a good diode checker or replace the diode 5 Resistors Resistors can be checked with an ohmmeter Check the Electrical P...

Страница 46: ...Interconnecting Plug 005 V C M VAR ATTEN BAL CH 1 R139 CH 1 Atten Chassis 005 V C M VAR ATTEN BAL CH 1 H i0 00 0 0 0 0 0 1 0 5 1 0 MJ 0 131 0 0 771 m Q 100 Index Key Index Key 5v From Pin 18 Output Board ConT l Input Circuit Board i 5 Pin C CH 1 f 05 V C M DC CH 1 Wiper BAL Arm FRONT 22I T l Signal to PULL FOR t z f INVERT Sw CH 2 0 0 S 0 0 0 0 7 1 Signal to PULL FOR _____ 1 IM V F D T S w fC H 21...

Страница 47: ...Maintenance Type 1A1 670 0075 01 Fig 5 5 Channel 1 Input Amplifier card 5 13 http manoman sqhill com ...

Страница 48: ...8C R721 R418 253A K 253B 4 7 3 4 4 8 Q s in 453 k u n L rU r3 j4 4 9 B r a w n on While N 1 i 3 7 7 l 0 7 4 4 7 3 6 I t C256 oo 5 V CM CAIN 7 7 S A C 2J1 R228A 0 7 7 3 0 7 4 3 W hile T 0 7 7 2 T TYPE IA 1 ft70 0076 0 Fig 5 6 Chcinnel 2 Inpul Amplifier card 5 14 http manoman sqhill com ...

Страница 49: ...S 31 0 4 0 4 2i J M f0 4 j j s D4 3 I I I 04M S 4 3 5 1 0 3 0 3 A q j i t M A f t M 1 o D 4 5 4 r 03051 I i 36 C IU W Brown C46 1 Rrt on Whito 4 6 3 3 4 V Orongo on W h ito D 34 r j 153 W hito Fig 5 7 Back o f O u tp u t A m p lifio r cord 5 15 http manoman sqhill com ...

Страница 50: ...Maintenance Type 1AT Fig 5 8 Front of Output Amplifier card 5 16 http manoman sqhill com ...

Страница 51: ...ype 1A1 CUB and C12I odd d at SN 26950 originally located physically ocrois 0118 and 0121 Fig 5 9 Channel 1 Input FET board Front and back view showing parrs location and load connection 5 17 http manoman sqhill com ...

Страница 52: ...Maintenance Type 1A1 Fig 5 10 Channel 2 Input FET board Front and back view showing parts location and lead connections 5 18 http manoman sqhill com ...

Страница 53: ...riable from 0 5 V to 12 V into a 50 ohm load about 7 V to 120 V with no external load Fast rise output vari able from 50 mV to 500 mV into a 50 ohm load Tektronix Type 106 Square Wave Generator recommended 4 Constant amplitude sine wave generator Frequency 50 kHz and 50 MHz output amplitude 20 mV to 300 mV peak to peak into a 50 ohm load Amplitude accuracy with in 3 at 50 MHz using the amplitude a...

Страница 54: ...nce Check pro cedure use the Intensity Focus and Astigmatism controls as needed to obtain sharply focused trace of the desired intensity Time Base controls are used unless otherwise specified c CHECK Rotate Channel 1 VARIABLE through its range and check for trace shift d If there is a trace shift or the trace is not on the screen adjust the 005 V CM VAR ATTEN BAL to meet the desired requirement e ...

Страница 55: ...OSITION control This should change the position of Time Base A trace Rotate the Channel 2 POSITION control This should change the posi tion of Time Base B trace h Set the Time Base B Time Cm switch to 1 Sec and check for alternate trace i Set Time Base B Time Cm switch to 5 xSec and the Horizontal Display switch to B Type 1A1 MODE CHOP Type 547 Oscilloscope Triggering Level Near 0 and knob pushed ...

Страница 56: ... Cm Range a Requirement At least 2 5 1 reduction in deflection of when VARIABLE control is set fully counterclockwise b Rotate the Channel 2 VARIABLE VOLTS CM control to its fully counterclockwise position and note the vertical deflection amplitude c Rotate the Channel 2 VARIABLE VOLTS CM control in a clockwise direction until maximum deflection is ob tained Note the amplitude d CHECK The smaller ...

Страница 57: ...ctor through a 50 coaxial cable to one side of the T connector and the Standard Amplitude Calibrator to the other branch of the BNC T connector d Set the MODE switch to ADD e CHECK With both VOLTS CM switches set at 05 and the Standard Amplitude Calibrator output at 0 1 volt the display amplitude must be 4 cm 1 2 mm f Change Channel 1 or Channel 2 PULL FOR INVERT switch to invert g Set the output ...

Страница 58: ...CK The attenuator compensation for rolloff or overshoot at all settings of the Channel 1 VOLTS CM switch See Fig 6 3 Use 5 ms and 1 ms sweep rates to examine the waveform Adjust the output of the generator to main tain a 4 cm display except for the 20 VOLTS CM switch position where the generator dirve is limited to about 3 cm Refer to Table 6 2 for accessory use in checking compensa tion h Rolloff...

Страница 59: ...hoot and tilt should not be more than 1 6 mm or 4 peak to peak when a 4 cm positive going square wave is displayed h Disconnect the signal from Channel 1 INPUT connector and connect the signal to the Channel 2 INPUT connector Set the MODE switch to CH 2 I R a 4 m Opr and mum Flat m P Squar op w jak to e Cor ithin Peak ner H 6 1f J Sweep Rate 0 1 f i sec cm A Channel 1 Fig 6 4 Typical Channel 1 and...

Страница 60: ... display Set the oscilloscope Sweep Magnifier switch to X5 e CHECK Risetime of the trigger out waveform must be equal to or less than 70 ns see Fig 6 6 f Disconnect the Type 106 signal from the Channel 1 and turn off the generator Remove the 50 ohm coaxial cable from the CH 1 TRIGGER OUT and Channel 2 INPUT con nectors Fig 6 6 Measuring the ristime of the CH 1 TRIGGER OUT wave form Risetime should...

Страница 61: ... crease tho output frequency until the vortical deflection is reduced to 2 8 cm see Fig 6 7B This is the 30 down voltage point equivalent to 3dB g CHECK Channel 1 upper bandwidth limit at a ver tical deflection factor of 0 05 volts cm should be 50 MHz or higher NOTE If the 3 dB down point is slightly less than 50 MHz consider that the accuracy of the Type 191 is within 2 of the selected frequency ...

Страница 62: ...H 1 SIG NAL OUT connector to the Channel 2 INPUT connector d Adjust the Type 191 Amplitude controls so the display is exactly 4 cm in amplitude e Disconnect the end of the 18 inch cable that connects to Channel 2 INPUT connector f Disconnect the signal from the Channel 1 INPUT con nector and connect it to the Channel 2 INPUT connector Note the exact amount of vertical deflection g Set the Type 191...

Страница 63: ...Position the display to the center of the graticule area and measure the time it takes the waveform to fall from 4 cm to 1 5 cm see Fig 6 8 It should be more time than 0 008 sec less than 2 hertz h Change the patch cord to Channel 2 INPUT and set the MODE switch to CH 2 i Repeat the procedure to check the Channel 2 low frequency response j Remove the patch cord This completes the perform ance chec...

Страница 64: ...d when performing this pro cedure 2 Standard amplitude calibrator Amplitude accuracy within 0 25 signal amplitude 20 mV to 100 V output sig nal 1 kHz square wave Tektronix calibration fixture No 067 0502 00 recommended 3 Square wave generator Frequency 2 5 khlz and 100 kHz risetime 20 ns or faster from high amplitude 1 ns or faster from fast rise output High amplitude output variable from 0 5 V to...

Страница 65: ...Calibration Type 1A1 Fig 7 1 Tett equipment occeitoriec and looli recommended for complete calibration of the Type 1A1 7 2 http manoman sqhill com ...

Страница 66: ...rclockwise position Q 9 Adjust Channel 1 005V CM GAIN page 7 11 R128A 4 cm high display with 20 mV peak to peak calibra tor signal 10 Adjust Channel 2 005V CM GAIN page 7 11 R228A 4 cm high display with 20 mV peak to peak calibra tor signal Q l l Check Gate Current for Channel 2 page 7 12 Trace shift should not exceed 2 mm as INPUT SELEC TOR switch is changed from GND to AC I 1 12 Check Gate Curre...

Страница 67: ...e are performed some adjustments will affect the calibration of other circuits with in the unit In this case it will be necessary to check the operation of those circuits that are affected When a step interacts with others the steps which need to be checked are noted under INTERACTION Any needed maintenance should be performed before pro ceeding with calibration Troubles which become apparent duri...

Страница 68: ...left side and bottom of the vertical plug in compart ment 2 Lay the oscilloscope on its right side for access to the bottom side of the Type 1A1 3 Install the Type 1A1 in the oscilloscope vertical plug in compartment 4 Connect the power cord of the oscilloscope to the design center operating voltage for which the oscilloscope is wired 5 Turn on the oscilloscope and allow 15 minutes for warm up and...

Страница 69: ...uipment setup is shown in Fig 7 2 b CHECK That a free running trace is present near the center of the screen The trace does not shift as the Chan nel I VARIABLE VOLTS CM control is rotated back and forth If the trace is not present and or trace shift occurs adjust the Channel 1 005 V CM VAR ATTEN BAL control sec Fig 7 3 to vertically position the trace onto the screen Type 1A1 MODE CH 1 POSITION b...

Страница 70: ...ol seo Fig 7 4 to vertically position the trace to coincide with graticule center e INTERACTION Interacts with step I 3 Adjust Channel 2 005 V CM VAR ATTEN R230 a Equipment setup is shown in Fig 7 2 b Set the MODE switch to CH 2 c CHECK That a free running troce is present near the center of fho screen The trace does not shift as the Chan nel 2 VARIABLE VOLTS CM control is rotated bade and forth I...

Страница 71: ...p f INTERACTION Interacts with step 4 4 Adjust Channel 2 05 VOLTS DC BAL O R248 a Equipment setup is shown in Fig 7 2 b Set the Channel 2 VOLTS CM switch to 05 c CHECK That the trace coincides with graticule cen ter d ADJUST Channel 2 05 VOLTS DC BAL control see Fig 7 6 to vertically position the trace to coincide with graticule center e INTERACTION Interacts with step 3 7 8 ...

Страница 72: ... near midrange Trace positioned to grati cule center Normal or in CALIB 05 INPUT SELECTOR DC both channels Standard Amplitude Calibrator Amplitude Mode Mixed XI00 Amplifier Power 2 Volt Square Wave Up Not Applicable On 5 Adjust Channel 2 05 V CM GAIN O R439 a Test equipment setup with connections made at com pletion of step 5b is shown in Fig 7 7 b Apply a 200 mV peak to peak signal from the Stand...

Страница 73: ... d ju itm o n t f Set the Channel 2 VARIABLE VOLTS CM control to the CALIB position 7 Adjust Channel 1 05 V CM GAIN O R409 o Test equipment setup is shown in Fig 7 7 b Apply the 200 mV pcak to peak calibrator signal to the Channel I INPUT connector c Set the MODE switch to CH I d Check that the Channol I INPUT SELECTOR switch is set to DC the VARIABLE VOLTS CM control is set to CALIB e CHECK Thot ...

Страница 74: ...hat the display is oxactly 4 cm in ampli tude see Fig 7 8 005 V C M m GAIN K 2 7 8 A _ Channel 3 Fig 7 11 Location of Channol 2 05 V C M GAIN adfuilmont e ADJUST Channel 1 005 V CM Gain control sec Fig 7 11 to obtoin the correct amplitude display f INTERACTION Interacts with step 7 10 Adjust Channel 2 005 V CM GAIN O R226A a Tost cquipmont selup is shown in Fig 7 7 b Apply the 20 mV calibrator sig...

Страница 75: ...al or in both channels CALIB VOLTS CM both channelsl 005 INPUT SELECTOR both channels GND 11 Check Gate Current for Channel 2 a Equipment setup is shown in Fig 7 13 b Connect a 50 ohm termination to the Channel 2 IN PUT connector c Check that the Channel 2 VOLTS CM switch is set to 005 and the trace is positioned to the horizontal centerline d CHECK Set the Channel 2 INPUT SELECTOR switch to AC an...

Страница 76: ...rmination is not used b Set the Channel 2 INPUT SELECTOR switch to GND ond the MODE switch to CH 2 Check that the Channel 2 VOLTS CM switch is set to 005 c Check that the trace is positioned to the horizontal centorhne Note the position of he trace d Set the Channel 2 PULL FOR INVERT switch to invert e CHECK That there is no trace shift when switching to the invert position If there is leave the s...

Страница 77: ...e 1A1 blanking pulses are blanking the beam during the switching time interval between channels see Fig 7 16B j Set the oscilloscope Time Cm switch to 1 msec and free run the time base k CHECK That at normal intensity the width thickness of the traces is about 2 mm or less NOTE If the trace for one channel is too wide because of excessive tilting or distortion of the trace segments a defective ser...

Страница 78: ... Cm Variable Time Cm Horizontal Position B X Off Normal Fully clockwise and pushed in Plug In Int AC Auto Stability 5 msec Calibrated Trace positioned to start at left graticule line Amplitude Calibrator 1 Volt Type 1A 1 MODE ALT POSITION both channolsl Near midrange PULI FOR INVERT both channols Normal or in VARIABLE VOLTS CM both channels CALIB VOLTS CM both channels 05 INPUT SELECTOR both chann...

Страница 79: ... 18A g Set the MODE switch to ADD h CHECK That with the same amount of calibrator sig nal applied to both channels of the Type 1A1 as in step 17f a single calibrator waveform display four cm in ampli tude is obtained see Fig 7 18B i Set Channel 1 PULL FOR INVERT switch to invert j Set the oscilloscope calibrator for an output of 0 5 volt k CHECK The two signals should differentially cancel each ot...

Страница 80: ...tude Calibrator Type MODE POSITION both channels PULL FOR INVERT Channel 1 0 X I Off Normal Fully clockwise and pushed in Norm Inf AC Auto Stability 5 msec Calibrated Trace positioned to start at left graticule line 10 mVolts 1A1 CH 2 Near Midrange Normal or in PULL FOR INVERT Channel 2 VARIABLE VOLTS CM both channels VOLTS CM Chan nel 1 VOLTS CM Chan nel 2 INPUT SELECTOR both channels Normal or i...

Страница 81: ... 100 mV 2 mm see Fig 7 20 This is a gain of 10X 10 F i e 7 Jl Equipmtnl tup f o r stop 19 Control Settings Type 547 Oscilloscope Amplitude Calibrator lOmVolts Type 1A1 Horizontal Display B MODE CH 2 Sweep Magnifier X I Off POSITION Single Sweep Switch Normal both channels Near midrange Triggering Level Near 0 and pushed in PULL FOR INVERT Triggering Source Norm Int both channels Normal or in Trigg...

Страница 82: ...AL OUT connector and connect it to the CH 1 TRIGGER OUT connector The Channel 1 trigger output signal should now be applied to Channel 2 INPUT c CHECK That the peak to peak amplitude of the dis play is two cm 1 V 4 mm see Fig 7 22 This is a gain of 100X 20 d Disconnect the two 50 ohm coaxial cables e Set the oscilloscope Amplitude Calibrator switch to Off Fig 7 22 Channel 1 trigger output amplifie...

Страница 83: ...ff 1A1 CH 1 Midrange Normal or in CALIB 005 VOLTS CM Chan nel 21 005 INPUT SELECTOR both channels DC Standard Amplitude Calibrator Amplitude Mode Mixed X 100 Amplifcr Power 20 mVolts Square Up Not Applicable On 20 Check VOLTS CM Attenuation Ratios Both Channels a Test equipment setup with connections made at com pletion of step 20b is shown in Fig 7 23 b Connect a 42 inch 50 ohm cable from Channel...

Страница 84: ...l deflection at each Chan nel 2 VOLT CM switch position Use Table 7 1 as a guide k After completing the previous step turn off the Stand ard Amplitude Calibrator and disconnect the 50 ohm coaxial cable TABLE 7 1 VOLTS CM Switch Setting Standard Amplitude Calibrator Output peak to peak Vertical Vertical Deflec tion in cm Maximum Error for 3 Accuracy 005 20 mVolts 4 Adjusted0 01 50 mVolts 5 1 5 mm 0...

Страница 85: ...al or in VARIABLE VOLTS CM both channels CALIB VOLTS CM both channels 05 INPUT SELECTOR both channels DC Type 106 Square Wave Generator Repetition Rote Range Multiplier Symmetry Amplitude Hi Amplitude Fast Rise switch Fast Rise controls Power 1 kHz 2 5 Midrange Fully CCW Hi Amplitude Not applicable On 21 Adjust Input Capacitance and O Attenuator Compensation Both Channels a Test equipment setup wi...

Страница 86: ...off on the top front corner of each cycle of the waveform should not exceed 3 peak to peak or 0 9 mm on a 3 cm waveform Using Table 7 2 as a guide check for a square corner and flat top on the top front corner of the waveform in all the other listed VOLTS CM switch positions Main Fig 7 26 Waveform A shows the desired result obtained when an attenuator frequency compensating capacitor is adjusted c...

Страница 87: ...ho input shunt capacitance and the attenuator compensation adjustments for Chan nel 2 Fig 7 28 shows the physical location of each Chan nel 2 adjustment m After completing the Channel 2 adjustments check that the Type 106 is set for minimum output amplitude and is disconnected from the Chonnol 2 INPUT connector TABLE 7 2 Input Capacitance Normalization and Frequency Compensation VOLTS CM Switch Se...

Страница 88: ...etry Amplitude Hi Amplitude Fast Rise switch Transition Amplitude Transition Amplitude Power 100 kHz 1 Midrange Not applicable Fast Rise Near minimum Not applicable On 22 Adjust High Frequency Compensation O at 05 Volts Cm Both Channels a Test equipment with connections made at comple tion of step 22c is shown in Fig 7 29 b Check that the controls are set as given in the list that precedes step 22...

Страница 89: ...c Rate cm C Channel 1 Fig 7 30 Typical Channel 1 waveforms obtained when the high frequency compensating adjustments are set properly at a vertical deflection factor of 0 05 volts cm Waveforms C shows the approximate time domain affected by each adjustment TABLE 7 3 Adjusting Sequence Adjustment Procedure8 1 L460 Turn so bottom of slug is flush with bottom of coil form L470 Turn so bottom of slug ...

Страница 90: ...er l Apply the Type 106 signal to the Channel 1 INPUT connector set the MODE switch to CH 1 recheck the Chan nel 1 waveform If necessary readjust Cl 25 for optimum front corner NOTE Through repeated adjustments of L460 1470 C125 using Channel 1 and C225 using Chan nel 2 achieve the best compromise setting to make the channel waveforms look similar to each other 23 Adjust High Frequency Compensatio...

Страница 91: ...channel I R or 4 cm Optimum and Fiat Squc Top eak l re Cc within o Pea rner k n e mm y f L Sweep Rate 0 1 xsec cm IA I Channel 1 i 1 1 1 1 Optimum Square Corner and Flat Tod within I R 1 6 mm Peak to X o a t a V D i i t Sweep Rate 0 1 xsec cm IB Channel 2 Fig 7 33 Typical Channel 1 and 2 waveforms obtained when C129D and C229D are set properly at a vertical deflection factor of 0 005 volts cm k CH...

Страница 92: ...ntal Position Trace positioned to start at left graticule line a Test equipment setup with connections made at com Amplitude Calibrator Off pletion of step 24c is shown in Fig 7 34 Type 1A1 MODE POSITION both channel PULL FOR INVERT both channels VARIABLE VOLTS CM both channels VOLTS CM both channels CH 1 Midrange Normal or in CALIB 05 b Check that the controls are set as given in the list that pr...

Страница 93: ...ection factor of 0 005 volts cm should be 28 MHz or higher r Disconnect the signal from the Channel 2 INPUT con nector and connect it to the Channel 1 INPUT connector s Set the MODE switch to CH 1 and the Channel 1 VOLTS CM switch to 005 t Set the Type 191 Frequency dial to 25 MHz and the Frequency Range switch to 50 kHz ONLY u CHECK Using steps 24n through 24q as a guide check Channel 1 upper ban...

Страница 94: ...he Channel 2 INPUT con nector and reconnect it to the Channel 1 INPUT connector Calibration Type 1A1 k Reconnect the 18 inch cable to the Channel 2 INPUT connector Check that the signal is applied from the CH 1 SIGNAL OUT connector to Channel 2 l CHECK The CRT display should be 2 8 cm in ampli tude or more This indicates the upper bandwidth limit for the Channel 1 Signal Out Amplifier is 35 MHz or...

Страница 95: ...ng Coupling AC Channel 1 DC Triggering Slope Triggering Mode Auto Stability INPUT SELECTOR Channel 2 AC Time Cm 1 i sec Type 106 Square Wave Generator Variable Time Cm Calibrated Repetition Rate Range ti t i _ 100 kHz Horizontal Position Trace positioned to start near center graticule Multiplier 1 vertical line Symmetry Midrange Amplitude Calibrator Off Amplitude Not applicable Hi Amplitude Fast R...

Страница 96: ...ude display Use the Type 1A1 Chan nel 2 POSITION control to center the display f Set the oscilloscope Sweep Magnifier switch to X5 and position the waveform similar to the location shown in Fig 7 37 g CHECK Measure the risetime of the waveform from the 10 to 90 points Check that the risetime is 70 ns or faster The risetime of the waveform shown in Fig 7 37 is 40 ns Fig 7 37 Measuring the risetime ...

Страница 97: ...yrene EMC electrolytic metal cased prec precision EMT electrolytic metal tubular PT paper tubular ext external PTM paper or plastic tubular molded F 1 focus and intensity RHB round head brass FHB flat head brass RHS round head steel FHS flat head steel SE single end Fil HB fillister head brass SN or S N serial number Fil HS fillister head steel SW switch h height or high TC temperature compensated...

Страница 98: ...art 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 X 000 00 X 000 0000 00 Use 000 0000 00 O SPECIAL NOTES AND SYMBOLS Part first added at this serial number Part removed ...

Страница 99: ...e C109A 281 0604 00 22710 2 2 pF Cer 500 V 0 25 pF C109B 281 0037 00 0 7 3 pF Var Tub C109C j 281 0083 00 0 2 1 5 pF Var Tub C109E 50 pF Mica 1 0 C110A 281 0547 00 2 7 pF Selected nominal value C110B 281 0037 00 0 7 3 pF Var Tub CHOC cnoE j 281 0084 00 20000 22509 0 2 1 5 pF Var 100 pF Tub Mica 10 CHOC j C110E j j 281 0113 00 22510 0 2 1 5 pF Var 100 pF Tub Mica 10 Cl 11A 281 0547 00 2 7 pF Select...

Страница 100: ...0084 00 20000 22509 0 2 1 5 pF Var 100 pF Tub Mica 1 0 C210C C210E 281 0113 00 22510 0 2 1 5 pF Var 100 pF Tub Mica 1 0 C211A 281 0547 00 2 7 pF Selected nominal value C211B 281 0037 00 0 7 3 pF Var Tub C211C C211E 281 0085 00 0 2 1 5 pF Var 200 pF Tub Mica 1 0 C212A 281 0534 00 3 3 pF Selected nominal value C212B 281 0037 00 0 7 3 pF Var Tub C212C C212E 281 0086 00 0 2 1 5 pF Var 500 pF Tub Mica ...

Страница 101: ... 0 25 xH wound on a 51 Q resistor 108 0512 00 22710 0 75 juH wound on a 91 J 2 resistor 108 0286 00 20000 22709 0 17 wound on a 36 Q resistor 108 0514 00 22710 0 4 a H wound on a 82 Cl resistor 108 0268 00 0 1 jttH wound on a 36 ft resistor 108 0286 00 20000 22709 0 17 jaH wound on a 36 Q resistor 108 0517 00 22710 0 1 ftH wound on a 430 J2 resistor 108 0270 00 0 25 fxH wound on a 62 Q resistor 10...

Страница 102: ...60 00 R205C 322 0610 01 R205E 322 0481 01 R206C 322 0469 01 R206E 321 0628 01 R207C 322 0621 01 R207E 321 1389 01 R208C 322 0622 01 R208E 321 0616 01 R209C 322 0623 01 R209E 321 0627 01 R209G 317 0560 00 unless otherwise indicated S6CI 56a 500 ka i m a 750 k n 333 kn 900 ka i n kn 950 kn 52 6 kn 975 k n 25 6 k n 56a 990 kn io i kn 150 n 995 kn 5 03 kn 200 n 56 n 997 5 kn 2 51 k n io o n i kn 1 M n...

Страница 103: ...0151 00 150 Cl A W 5 R248 311 0117 00 5 to Var R252 311 0183 00 500 to Var R310 315 0123 00 12 kn A W 5 R360 302 0275 00 2 7 MO A W R4081 311 0630 00 500 Q Var R409 311 0574 00 100 Cl Var R422 311 0575 00 2X100 to Var R4381 311 0630 00 500 Cl Var R439 311 0574 00 100 Cl Var R452 311 0575 00 2X100 to Var R469 315 0101 00 100 n A W 5 R490 302 0183 00 18 to A W R491 308 0451 00 91 Cl 3 W W W 5 R492 3...

Страница 104: ...LL FOR INVERT SW409 311 0630 00 SW435 260 0767 00 Slide PULL FOR INVERT SW4394 311 0630 00 CHANNEL 1 INPUT AMPLIFIER CARD Series D 670 0075 01 Capacitors Complete Card Tolerance 20 unless otherwise indicated Cl 25 281 0089 00 2 8 pF Var Cer Cl 28 281 0089 00 2 8 pF Var Cer Cl 52 281 0089 00 2 8 pF Var Cer Cl 56 281 0096 00 5 5 18 pF Var Air Cl 65 283 0000 00 0 001 p F Cer 500V Cl 75 283 0000 00 0 ...

Страница 105: ... w Prec 1 R125 321 0127 00 205 a y w Prec 1 R126 315 0561 00 560 il A W 5 R127 315 0682 00 6 8 kil A W 5 R128A 311 0258 00 lOOil Var R128B 315 0470 00 47 il A W 5 R128C 315 0390 00 39 a A W 5 R133 316 0475 00 4 7 Mil A W R134 316 0474 00 470 kn A W R136 316 0185 00 1 8 Mil A W R142 305 0563 00 56 ka 2 W 5 R143 315 0183 00 18 ka A W 5 R144 321 0127 00 205 i2 W Prec 1 R145 321 0127 00 205 il y W Pre...

Страница 106: ...W 5 R191 315 0102 00 1 kO A W 5 R193 315 0332 00 3 3 kO A W 5 R194 303 0433 00 43 kO 1 w 5 R196 315 0103 00 10 kO A W 5 R497 301 0131 00 130 0 A W 5 CHANNEL 2 INPUT AMPLIFIER CARD Series E 670 0076 01 Complete Card Capacitors Tolerance 20 unless otherwise indicated C225 281 0089 00 2 8 pF Var Cer C228 281 0089 00 2 8 pF Var Cer C252 281 0089 00 2 8 pF Var Cer C256 281 0096 00 5 5 18 pF Var Air C26...

Страница 107: ...16 0475 00 4 7 M n A W R234 316 0474 00 470 kn A W R236 316 0185 00 1 8 M n A W R242 305 0563 00 56 kn 2 W 5 R243 315 0183 00 18 kn A W 5 R244 321 0127 00 205 n y w Prec 1 R245 321 0127 00 205 n y w Prec 1 R246 315 0621 00 620 n A W 5 R247 315 0682 00 6 8 kn A W 5 R249 305 0123 00 12 kn 2 W 5 R250 315 0510 00 51 n A W 5 R251 316 0564 00 560 kn A W R253 315 0202 00 2 kn A W 5 R254 315 0152 00 1 5 k...

Страница 108: ...r 500V 10 C404 283 0051 00 0 0033 jaF Cer 100V 5 C414 283 0051 00 0 0033 ix Cer 100V 5 C428 283 0000 00 0 001 fx Cer 500 V C434 283 0051 00 0 0033 X Cer 100V 5 C444 283 0051 00 0 0033 fx Cer 100V 5 C461 283 0001 00 0 005 ix Cer 500V C463 283 0000 00 0 001 ix Cer 500V C465 283 0028 00 0 0022 juF Cer 50V C466 281 0096 00 5 5 18 pF Var Air C467 281 0504 00 10 pF Cer 500V 1 0 C475 283 0028 00 0 0022 f...

Страница 109: ...92 Q343 151 0164 00 Silicon 2N3702 Q353 151 0164 00 Silicon 2N3702 Q404 151 0221 00 1 4 Silicon 2N4258 Q404 151 0199 00 5 Silicon MOT MPS 3640 Q414 151 0221 00 1 4 Silicon 2N4258 Q414 151 0199 00 5 Silicon MOT MPS 3640 Q434 151 0221 00 1 4 Silicon 2N4258 Q434 151 0199 00 5 Silicon MOT MPS 3640 Q444 151 0221 00 1 4 Silicon 2N4258 Q444 151 0199 00 5 Silicon MOT MPS 3640 Q464 151 0225 00 Silicon 2N36...

Страница 110: ...11 00 n o n A W 5 R416 315 0512 00 5 1 kn A W 5 R421 315 0823 00 82 kn A W 5 R424 315 0823 00 82 kn A W 5 R426 321 0141 00 289 n 8 w Prec 1 R428 321 0097 00 lo o n W Prec 1 R429 321 0136 00 255 n A W Prec 1 R434 315 0221 00 220 n A W 5 R435 315 0111 00 l i o n A W 5 R436 315 0512 00 5 1 kn A W 5 R444 315 0221 00 220 n A W 5 R445 315 0111 00 n o n w 5 R446 315 0512 00 5 1 kn A W 5 R451 315 0823 00 ...

Страница 111: ...ronix Ckt No Part No OUTPUT AMPLIFIER CARD Series F fcont Serial Model No Eff Disc Description T330 120 0161 00 Transformer Toroid 12 turns quintifilar V464 157 0121 00 V474 157 0121 00 Electron Tubes 7586 checked 7586 checked 8 13 8 13 ...

Страница 112: ...ust be purchased separately unless otherwise specificed 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 departmen...

Страница 113: ...Mechanical Parts List Type 1A1 INDEX OF MECHANICAL PARTS LIST ILLUSTRATIONS Located behind diagrams FIG 1 FRONT FIG 2 REAR FIG 3 CIRCUIT CARDS STANDARD ACCESSORIES ...

Страница 114: ...w resistor LOCKWASHER internal ID x 1 1 OD WASHER flat 0 390 ID x 9 u inch OD NUT hex 32 x 7 u inch KNOB charcoal VARIABLE VOLTS CM each knob includes SCREW set 6 32 x 3 u inch HSS BUSHING plastic shaft CONNECTOR coaxial 1 contact BNC KNOB plug in securing knob includes SCREW set 6 32 x 3 u inch HSS WASHER plastic 0 190 lD x 7 u inch OD KNOB charcoal INPUT SELECTOR KNOB charcoal VOLTS CM KNOB char...

Страница 115: ...HUB driver each hub includes 213 0020 00 2 SCREW set 6 32 x inch HSS 31 384 0295 00 1 ROD shaft 32 387 0827 00 1 PLATE flange 33 131 0371 00 3 CONNECTOR single contact female 34 348 0031 00 2 GROMMET plastic 3 32 inch diameter 35 358 0054 00 1 BUSHING banana jack mounting hardware not included w bushing 210 0223 00 1 LUG solder ID x 7 u inch OD SE 210 0465 00 1 NUT hex A 32 x inch 36 358 0054 00 1...

Страница 116: ...hes long BUSHING banana jack ASSEMBLY switch unwired PULL FOR INVERT Channel 1 assembly includes SWITCH unwired LOCKWASHER internal 2 SCREW 2 56 x 5 u inch RHS PLATE detent spring CLIP detent spring BALL switch detent ROD extension w knob PULL FOR INVERT Channel 1 POST switch support mounting hardware not included w assembly SCREW 6 32 x inch PHS ASSEMBLY switch unwired PULL FOR INVERT Channel 2 a...

Страница 117: ...9 166 0026 00 2 Description 1 2 3 4 5_______________________________________ ASSEMBLY circuit board INPUT Channel 1 ASSEMBLY circuit board INPUT Channel 1 assembly includes BOARD circuit PIN connector straight male CONNECTOR single contact female CONNECTOR single contact male SOCKET transistor 3 pin CONNECTOR terminal feed thru mounting hardware for each not included w connector BUSHING plastic mo...

Страница 118: ... not included w rod SCREW 6 32 x inch 100 csk FHS SCREW 6 32 x s m inch PHS ROD support front mounting hardware not included w rod SCREW 6 32 x inch 100 csk FHS SCREW 6 32 x 2 inch 100 csk FHS GUIDE circuit card mounting hardware for each not included w guide SCREW 6 32 x inch PHS CLIP retainer ROD support rear mounting hardware not included w rod SCREW 6 32 x inch 100 csk FHS SCREW 6 32 x A inch ...

Страница 119: ...W 4 40 x y2 inch PHS CABLE HARNESS ROD extension COUPLING flexible each coupling includes SCREW set 4 40 x 3 4 inch HSS COUPLING plastic RING coupling RESISTOR variable mounting hardware not included w resistor LOCKWASHER internal 4 ID x 0 400 inch OD WASHER flat 4 ID x inch OD NUT hex y4 32 x 5 i inch RESISTOR variable mounting hardware for each not included w resistor LOCKWASHER internal ID x 0 ...

Страница 120: ...h THS 210 0478 00 l NUT hex resistor mounting 211 0507 00 l SCREW 6 32 x u inch PHS 42 131 0017 00 i CONNECTOR 16 contact mounting hardware not included w connector 211 0097 00 2 SCREW 4 40 x s u inch PHS 210 0004 00 2 LOCKWASHER internal 4 21 0 0201 00 2 LUG solder SE 4 210 0406 00 2 NUT hex 4 40 x 3 w inch 43 343 0088 00 1 CLAMP cable plastic 44 131 0371 00 4 CONNECTOR single contact 45 134 0015...

Страница 121: ...CARD circuit 11 214 0506 00 3 PIN connector straight male 12 214 0507 00 2 PIN connector 45 male 13 136 0183 00 6 SOCKET transistor 3 pin 14 387 0794 00 1 PLATE variable resistor 15 210 0696 00 1 EYELET 0 121 ID x 0 200 inch OD 16 1 RESISTOR variable mounting hardware not included w resistor 17 210 0940 00 1 WASHER flat ID x3 s inch OD 18 210 0583 00 1 NUT hex y4 32 x 5 u inch 19 670 0077 01 1 ASS...

Страница 122: ...on before turn ing on the oscilloscope power The switch con nects the 75 V supply to pin 15 of the 16 pin interconnecting plug Use care when obtaining voltage and waveform measurements in an oper ating unit An inadvertant movement of the test prods or probe may cause a short between cir cuits and seriously damage circuit components such as solid state devices Control Settings Type 1A1 See individu...

Страница 123: ... 3 16 8 5 J P I I 5 t E I M P O R T A N T m o t e f o r V O L T A G E A k ID W A V E F O R M C O U D lT lO N s PLUG IN S N 2 0 0 0 0 U P M R 4 B L O C K D I A G R A M ...

Страница 124: ... Z 0 4 7 0 2 1 5 X 2 L R Z 0 5 A 0 2 V C 2 0 5 A 0 6 8 _ C 2 0 5 C R 2 0 5 C _ C 2 0 5 C 7 p 500k 5 o o 7 i a i 3 R 2 0 5 t I M X A L R 2 Q G A L R 2 0 6 B o 75 3 E R206C 7 5 0 K 5 R 2 0 6 E J 333K5 C206B _t C206C _L C206D 0 7 3 7 0 7 3 7 T 5 X I O LR2 Q 7 AU ZQ2 fO THl 0T O 4 4 M J n n n n p Y w v i i Wv A A A A A f f K l llf tO j R207C C 2 Q7A L C 2Q 7B C2Q7C 900K i R207E I I I K 207A L l a a T ...

Страница 125: ... T O R G R ID AC M O D E C H 1 C H 1 a l s o s e e IM P O R T A N T n o t e o n i n s i d e o f s lo c k d ia g ra m S E E P A R T S L IS T F O R S E M IC O N D U C T O R t y p e s R E F E R E N C E D I A G R A M O U T P U T A M P L I F I E R SEE PARTS LIST FOR EARLIER VALUES AND SERIAL NUMBER RANGES OF PARTS MARKED WITH BLUE OUTLINE 5 m s C M T Y P E I A I P L U G I N S N 2 0 0 0 0 U P C H A N N ...

Страница 126: ...U B J E C T T O W ID E V A R IA T IO N D U E TO F E T C H A R A C T E R IS T IC S V O L T A G E S A T Q 2 2 S Q 2 4 3 Q 2 2 4 AMD 0 2 4 4 E M IT T E R S W I L L V A R Y A C C O R D IN G L Y 5 E E PAR TS L IS T FOR S EM IC O N D UC TO R T Y P E S 1 IV CHANNEL 2 CARD R E F E R E N C E D I A G R A M S 4 O U TPU T A M P L IF IE R SEE PARTS LIST FOR EARLIER VALUES AND SERIAL NUMBER RANGES OF PARTS MARK...

Страница 127: ... E C T O R G N D A C M O D E C H I C H 1 A L S O SEE IMPORTANT NOTE ON INSIDE SECTION OF BLOCK DIGRAM B D E C O U P LE D S U P P L Y V O L T A G E S NOTE O N S O M E P L U G IN S T H E R E M A Y B E A D IF F E R E N C E IN W A V E F O R M A M P L IT U D E S AT P IN S I AND 3 O F P 1I ALSO AN A M P L IT U D E D IF F E R E N C E M A Y E X IS T B E T W E E N T H E T W O S ID E S O F P R E V IO U S A ...

Страница 128: ...ALT SWEEP SLAVE PULSE CHOPPED BLANKING ALT TRACE SYNC PULSE N 2 0 0 0 0 U P SWITCHING CIRCUIT TYPE IAI PLUG IN ...

Страница 129: ...http manoman sqhill com ...

Страница 130: ...38 ...

Страница 131: ...FIG 3 CIRCUIT CARDS ACCESSORIES CHANNEL I INPUT OUTPUT AMPLIFIER CHANNEL 2 INPUT TYPE 1A1 DUAL TRACE PLUG IN UNIT ...

Страница 132: ...mmediately into printed manuals Hence your manual may cohtain new change information on following pages A single change may affect several sections Sections of the manual are often printed at different times so some of the information on the change pages may already be in your manual Since the change information sheets are carried in the manual until ALL changes are permanently entered some duplic...

Страница 133: ...age 1 o f 2 ELECTRICAL PARTS LIST AND SCHEMATIC ADDITIONS ADD Cl 18 290 0267 00 1 J F EMT 35 V C121 290 0246 00 3 3 j F EMT 10 V C218 290 0267 00 1 J F EMT 35 V C221 290 0246 00 3 3 j F EMT 10 V J T M16 025 1269 ...

Страница 134: ...Page 2 o f 2 TYPE 1A1 A p a r t i a l CHAKJKJEL Z INPUT A M P L I F I E R M16 025 1269 ...

Страница 135: ...TYPE 1A1 TENT SN 27290 CHANGE TO R300 ELECTRICAL PARTS LIST AND SCHEMATIC CORRECTION 308 0314 00 680 fl 3 W W W M 16 271 470 ...

Страница 136: ...TYPE 1A1 TENT SN 27890 ELECTRICAL PARTS LIST CORRECTION CHANGE TO J101 131 0955 01 BNC fem ale J201 131 0955 01 BNC fem ale M 16 334 470 ...

Страница 137: ... 0422 00 500 fl Var R4382 311 0422 00 500 fl Var SW4093 311 0422 00 SW4394 311 0422 00 F u rn ish e d as a u n it w ith SW409 2 F u rn ish e d as a u n it w ith SW439 3 F u rn ish e d as a u n it w ith R408 4 F u rn ish e d as a u n it w ith R438 M16 411 470 R ev ...

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