Tektronix 1S2 Instruction Manual Download

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Summary of Contents for 1S2

Page 1: ...Tektronix Inc P O Box 500 Beaverton Oregon 97077 070 0889 00 TEKTRONI INSTRUCTION MANUAL Serial Number 568 ...

Page 2: ...i I I Type 152 ...

Page 3: ...r l f r r l L l Type 152 ...

Page 4: ...TYPE SAMPLING UNIT ANO T ME DOMAIN REHECTOMETER VERT GAIN S Fig l 1 Type 1 S2 Sampling Unit ...

Page 5: ... automatically set to Time whenever the Type 152 is operated as a normal sampling plug in unit Two internal step function pulse generators provide a selectable test signal during TDR operation One provides a 0 25 volt 50 ps 10 to 90 risetime pulse and the other provides a 1 0 volt 1 ns 10 to 90 risetime pulse each at a source impedance of 50 a Other TDR features include a two position RESOLUTION s...

Page 6: ...kwise rotation increases deflection tion changes vertical deflection factor factor decreases sensitivity clockwise rotation to at least 2 times the units div setting decreases deflection factor increases sensi clockwise rotation changes deflection tivity factor to 40 or less of the units div setting OFFSET Controls Voltage Range Not less than 2 V to 2 V Referred to the input Xl OFFSET OUTPUT Volta...

Page 7: ...han 2 volts div to more than l S volts div l SO volts combined DC plus AC peak SAMPLING MODE TRIGGERING Not more tho n 100 ns Not more than 100 ps Not more than 100 ps Not more than 30 ps 3 or 3 volts DC and combined AC peak 1 0 V 1 ns PULSE SOURCE Not more than 1 1 ns from 1S C to 3S 0 c Not more than and 2 S after pulse display reaches 100 From 0 9 to 1 0 volt Not more than 20 ps 25 V 50 ps PULS...

Page 8: ...h the Type 1S2 is operated voltage limits due to voltage drop in an ex ENVIRONMENTAL CHARACTERISTICS Storage Temperature 40 C to 65 C Altitude to 50 000 feet Operating Operating temperature 0 C to 50 C 0 C to 15 C and 35 C to 50 C possible by special adjustment Operating Altitude Up to 15 000 feet 1 4 tender MECHANICAL CHARACTERISTICS Height Dimensions Width Length Weight 8 pounds 7 inches 57 8 in...

Page 9: ...ated The following comparisons of TDR and frequency domain FDR devices are supported by four specific examples and illustrations 1 FDR measures Standing Wave Ratio directly but a TDR display can speed FDR testing by locating resonant fre quencies of resonant networks prior to FDR testing 2 TDR locates discrete discontinuities and permits analysis of their value But FDR will indicate two different ...

Page 10: ...ent insertion unit Tektronix Part No 017 0030 00 and the other end near the center conductor The insertion unit was modified to have a continuous center con ductor using three inner transition pieces Tektronix Part No 2 2 358 0175 00 One of the inner transition pieces was short ened to fit between the two mounted end pieces and then soldered in place The second capacitor resonant at 2 1 GHz was a ...

Page 11: ..._ I VS0 8 n son Fast Pulser Modified GR Insertion Unit 500 ps div 0 01 p div 874 WSOB Termination Fig 2 3 Modified lthrough connectedl Tektronix Insertion unit for testing small components in parallel with 50 n line The SWR curve shows some changes from a constant impedance transmission line but does not help to locate an aberration if it is inside a continuous piece of cable Either FDR or TDR wou...

Page 12: ...MHz I Dipole 1 ns div 0 2 p div C0 25 V Pulser 500 ps div 0 1 p div Antenna resonant frequencies seen by TOR Fundamental F 2 3 x 10 9 Fourth Harmonic F 1 575 x 10 12 435 MHz 1740 MHz _ __ _ ___ ____ _ __ _ ___ _ _ __ __ 400 1 1 6 425 1 7 Frequency MHz Frequency GHz 450 500 1 8 1 9 Fig 2 4 Two plots of 435 MHz dipole antenna 2 4 ...

Page 13: ...ator for the battery and switch of Fig 2 6 The generator has zero source resistance so R 9 is again added in series with the generator The generator and R9 drive a finite length transmission line that has a char acteristic impedance of Z0 The transmission line has output terminals that permit connecting a load RL An oscilloscope voltmeter measures the voltage signal s at the input end of the trans...

Page 14: ...ig 2 7 dependent upon value of RL vs Zo tude the display total amplitude minus the incident pulse amplitude divided by the incident pulse amplitude Fig 2 9 shows the two parts of the display appropriately labeled to identify the incident and reflected signals When p 0 the transmission line is terminated in a resistance equal to its characteristic impedance l 0 If the line is terminated in RL l 0 t...

Page 15: ...e or inductance but is instead related to the TDR display If the displayed reflection includes a definite exponential curve that lasts long enough for one time constant tO be determined the reactance is considered large Discrete single capacitors connected in series or parallel with a transmission line start to charge at the instant the incident pulse arrives Inductors start to conduct current at ...

Page 16: ...1 11 0 818 400 300 0 667 200 I 100 0 333 1 so ii t Ii 40 30 0 333 l 20 II I I 0 667 10 fi 0 818 s II Iim 3 t c 0 905 2 0 961 1 TEKTRONIX INC BEAVERTON OREGON Fig 2 1 O Values of RL vs reflection co efficient when reflection is compared to 0 980 0 5 50 n transmission line 2 8 ...

Page 17: ...capaci tor ringing the ringing can sometimes be reduced by 1 using the slower 1 Volt pulser and or 2 changing the transmission line environment to place a lower value Z0 in parallel with the capacitor The double exposure of Fig 2 11 B shows a full exponential curve beginning in the vicinity of 1 division from the graticule bottom Then the same curve has been time expanded for easier reading The in...

Page 18: ...capaci tors A small inductor in series with a transmission line center conductor will give a display that does not permit normal time constant analysis The same inductor in parallel 2 10 with a terminated transm1ss1on line may give a display that does allow normal time constant analysis Ringing in the exponential TDR display is often observed when measuring inductors It is usually caused by distri...

Page 19: ...If the TDR display has no exponential section normal RC and L R calculations cannot be made All small reactances generate TDR reflections with less than 1p or lp Small discrete capacitors with leads always include stray series inductance of a significant amount Fig 2 1 and asso ciated discussion is an example of such a capacitor with inductive leads Small shunt capacitors without leads may be prod...

Page 20: ...bble up is explained under Measuring Technique in connection with Fig 2 17 4 That the sampler is non loading non distorting and of infinitesimal risetime 5 That parasitic stray reactances are insignificant The formula for small series inductance and small shunt capacitance in a transmission line contain factors for 1 the system risetime at the spatial location of the reactance 2 the observed refle...

Page 21: ...6p 4Q 0 885p Q 2 Q 0 787p t II 1 1 Q 0 632p 0 5 Q 0 432p 0 4 Q 0 367p I 0 3 Q 0 289p 0 2 Q 0 199p r 1 1 A IJ I 1 1 I 0 1 ri II I 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 IPI Fig 2 14 Graph for conversion of small reactance observed p to a for use in formulae I101 and I12 2 13 ...

Page 22: ...an example of a small shunt capacitor placed across a 50 0 coaxial cable by compressing the cable outer diameter Since the cable RG8A UJ has normal impedance variations along its length the peak reflection from the capacitor can only be approximated Assuming a p of 1 division in Fig 2 16 then by formula 12J the capacitance is approximate ly 0 085 picofarads The Type 152 is useful for observing sim...

Page 23: ...n of the driving signal and not by the dribble up portion Bl 550 cm cable Fig 2 17 Dribble up characteristics of two lengths of l G8A U TOR Theory Type 152 Calculations made from Fig 2 18A and B using formula 11 J and the curve of Fig 2 14 indicate the series coil has an inductance of 16 40 nH at Fig 2 18A and inductance of 16 51 nH at Fig 2 188 Fig 2 18A L 2 5 0 82 50 1 60 X 1o sJ 1 64 X 1o s H F...

Page 24: ...the input and output ends of the transmission line The single resistor discontinuities can occur due to discrete components or may indicate a loose con Incident Single Series Resistor I Reflection I _ 1 R z z 1 pI R 71 1 p Simplified R 2 Z0 1 p I 1 p Single Shunt Resistor RL Z I Reflection 1 I Signal _ ____ 1 p Rg z 1 1 2p Fig 2 19 Single resistor discontinuities 2 16 nector with added series resi...

Page 25: ...qual to 6 5 n from curve of Fig 2 1 OJ A bench multimeter type ohmmeter indicated 6 8 ohms for the same cable Quality Cables A quality cable such as RG8A U 52 n RG213 U 50 n or RGl l U 75 Q will exhibit similar characteristics to the small lossy cable just described but the cable must be much longer to obtain a similar display of series resistance Fig 2 22A and B show the same rising type of wavef...

Page 26: ...the line twice when a cable is placed between a pulser and a sampler the signal traverses the line once Studies in the past that considered skin effect losses only1 have indicated that some types of coaxial cables have a step function response with decibel attenuation that varies as the square root of the frequency Based upon this assump tion of skin effect losses only the step response time from ...

Page 27: ...4 have a 10 to 90 risetime that lasts about 18 times longer than T0 Fig 2 24 shows plainly that the step response of a coaxial cable does not have the famil iar Gaussian shape For this reason the risetime of systems containing long coaxial cables cannot be calculated using the square root of the sum of the squares of the individual unit risetimes The length of time required for the output signal t...

Page 28: ...Time Domain Reflectometer Many 2 20 Bl Fig 2 26 Propagation mode change in large diameter transmission line when driven by the Type 152 fast pu lser more uses can be made of the unit in a TDR mode limited only by the measurement needs of the user Use of the Type 152 as a normal sampling plug in with 3 9 GHz 70 ampli tude response will be discussed in Section 3 Operating Instructions Listed below a...

Page 29: ...an be evaluated using the Type 152 Simple inductors wound on toroid ferrite cores are rep resented by an equivalent circuit which is essentially an inductance in parallel with a resistance The resistance results from core losses and may be typically as low as l 0 to 30 ohms turn 2 Both the resistance and inductance char acteristics of ferrites can be seen in a TDR display Fig 2 30 shows two displa...

Page 30: ...0 2 p div Lossy Cable IBJ RC Compensation Network Fig 2 29 Simple frequency compensation for lossy coaxial cable CBI 2 22 5 ns 1S2 RG213 U Physical Circuit Equivalent Circuit Fig 2 30 Evaluation of a ferrite core Adapter and Sampler son ...

Page 31: ...ed into another oscilloscope 1 the oscilloscope external horizontal deflection sensitivity and 2 the Type 1S2 VERT GAIN control Two methods are available for each adjustment One method uses an external accurate voltage source the other method uses only the Type 1S2 and its accessories NOTE The external accurate voltage source is the only method acceptable if the Type 152 specifications are being c...

Page 32: ... This procedure is NOT to be used unless you are certain the Type 1S2 is properly calibrated and in good working order Instrument specifications are not to be tested by the use of this setup procedure 3 2 1 Install the Type 1S2 into the oscilloscope Turn the oscilloscope Intensity control fully counterclockwise and turn on the AC power Set the oscilloscope controls Horizontal Display Time Base Tri...

Page 33: ...rom either figure is the line length and that it was open at the load end Also from Fig 3 2 the waveform shows that the line used has a characteristic impedance slightly greater than 50 n If it had been exactly 50 n there would have been no deflection greater than 4 divisions between the 3rd the 5th distance graticule lines Changes in temperature may require either the 1 0 V or the 25 V pulser STA...

Page 34: ...allel inside a Tektronix Insertion Unit in series with the center conductor Insertion Unit Tektronix Part No 017 0030 00 p Correction All waveforms of Fig 3 4 show a corrected deflection factor to obtain direct reading reflection coefficient data The incident pulse is ignored and the Vertical Units Div VARI ABLE control adjusted clockwise until the open end reflection of 1p spans the correct numbe...

Page 35: ...signal related front panel volt age for accurate slideback measurement of voltage or reflection coefficient Xl OFFSET OUTPUT Jack 2 v 10 kn RESOLUTION Switch DISPLAY MODE Switch NORMAL SINGLE SWEEP MAN EXT HORIZ 150V MAX EXT HORIZ ATTEN MAN UAL SCAN Control Operating lnstrudicms Type 152 Pin jack external connection from the OFF SET circuit Total voltage deviation avail able 2 volts at 10 kn outpu...

Page 36: ...oing ground referenced 0 25 volt 50 ps risetime step transition pulse Pulser output impedance is 50 n Pulse duration is longer than twice the time of the longest time window of each of the three ranges Pulse trailing edge cannot be observed on Type 1S2 The pulser can be used to drive other equipment CAUTION Never permit a signal greater than 1 volt to enter back into the 25 V 50 ps connector Great...

Page 37: ... div opera tion Table 3 1 lists significant velocity of propagation figures for three dielectric materials Operating Instructions Type 152 TABLE 3 1 Coaxial Transmission Line Signal Velocity of Propagation Vp Compared to the Speed of Light c Transmission line Dielectric Vp Air 1 0 X c 30 cm ns1 TFE2 0 695 X c 20 85 cm ns Polyethylene2 0 659 X c 19 77 cm ns 1 cm X 0 3937 Inches 2Solid not foamed di...

Page 38: ...the 0 2S volt pulser is used and the reflection from the open sampler no line connected and from Tektronix Inc Beaverton Oregon U S A MAGNIFIER I setting Xl X2 XS XlO X20 XSO XlOO Xl X2 XS XlO X20 XSO XlOO Xl X2 XS XlO X20 XSO XlOO TABLE 3 3 Full Scale Time and Distance Units Related to RANGE and MAGNIFIER Controls Time Window 10 div total Range TIME DISTANCE4 TIME 10 µ s 1000 m 3 281 ft 19 9 µ s ...

Page 39: ...efore normal sampling operations can begin Perform one of the previous procedures for mating the Type 1S2 to the oscillo scope NOTE Equivalent time sampling operation requires that the lower right side MODE switch be at either EXT TRIG or UHF SYNC and that the HORIZONTAL UNITS DIV switch be set to TIME The horizontal equivalent time sweep rate is read directly from the center panel illuminated rea...

Page 40: ...owest sine wave frequency for which one complete cycle can be displayed is 100 kHz One cycle of 50 kHz can be observed by use of the time POSITION control when only 3 10 1 2 cycle is displayed in 10 horizontal divisions For lower frequencies change to real time sampling described briefly below REAL TIME SAMPLING Signals from DC to sine waves of up to about 5 kHz can be displayed by real time sampl...

Page 41: ...he snap off diode is removed by the drive wave form and the fast rising transition to the off state is shaped by two clip lines to give narrow pulses of opposite polarity through Rl 48 and Rl 49 to the sampling diodes Dl 10 and Dl 11 The bridge diodes are back biased from the bridge volts circuit through Rl l 0 Rl 11 Rl 17 and Rll 8 The pulses momentarily forward bias Dl l 0 and Dl 11 to allow sig...

Page 42: ...f Q133 Denotes Rl 10 and Rl 11 are replaced by 1114 for SN 1990 through 2999 Sampling Bridge DllO Dlll Rl 10 Rl 11 Snap off 1144 Dl44 Avalanche Q134 Transient Response C129 R129 Source Follower Ql 15 From Bridge Volts Divider 1 Slewed Pulse From Sampler Comparator J135 To Preamp n c c ID t a c 1 ti ID Vt ...

Page 43: ...ry Overload Clamp D262 D263 Memory Gate D236 D237 D238 D239 T235 Memory Q244A Q244B Q254 Q263 OJ VERTICAL T OUTPUT To VERTICAL UNITS DIV VARIABLE I 10 r I I OFFSET Q343 Q344 tIOFFSET I I rp VOLTS 1 x1 OFFSET OUTPUT f 2V 10 kll I w Slewed Pulse to Avalanche Memory Gate Driver Q204 Q214 Slewed Puls From Sampler Co mparator Retrace Blanking from Q724 tJ P11 I n c c V r 0 I I V CD lo ...

Page 44: ...oad condition is absorbed through the diodes to the output emitter follower When the signal has been removed the memory will be ready to accept the next signal 4 4 Offset and Vertical Output Schematit The Offset circuitry consists of Q343 and Q344 The main purpose of this transistor pair is to provide a very low imped ance and provide a variable plus or minus voltage at the junction of R327 and R3...

Page 45: ...BAL l_ 6 I R360 I To Sampling Bridge I I I I Ip VOLTS 1 J IMODE _ _j EXT TRIG 1 0 V pCAL R351 25 V pCAL R353 VOLTS CAL R356 lvERil R317 OFFSET Q343 Q344 Xl OFFSET OUTPUT rteSOLUTION I I I 385 O NORMAL OFFSET RANGE I I OFFSET I R337 lu VERTICAL OUTPUT Q393A VERTICAL OUTPUT Q393B I I I 3 BLANKING AMPLIFIER Q379 Retrace Blanking from Sweep Generator M Pll n c c n i c ID t ...

Page 46: ...TRIG ISTABILITY 25 V 50 ps Pulser 25 V PULSE GENERATOR Q434 D435 F 25 v PULSER OUTPUT DC LEVEL R439 L I 1 V PULSER OUTPUT DC LEVEL R443 1 0 V PULSER Q454 Q464 Q474 PULSE SOURCE 1 0 V 1 ns EXT TRIG INPUT I J4489 TRIGGER AMP Q494 TO TRIGGER INPUT J510 PULSE SOURCE 25 V 50 ps I I I JI C494 J496 SYNCHRONIZER CONTROL GATE Ito I n From Q523 I r ________J I I I UHF SYNCHRONIZER D483 D484 D485 Synchronize...

Page 47: ...ut from I Pulse Generator I I I I I I I I I I I 1 0 v l 25 v f UHF SYNC EXTTRIG Q CENTER POSITION i OF TRIGGER SENS CONTROL INT PULSE Synchronizer Current to Tunnel Diode 0485 in Pulser Generator TRIGGERING POINT CONTROL BACK DIODE D524 CURRENT CONTROL Q523 D526 RECOGNITION TUNNEL DIODE D525 CURRENT CONTROL Q544 CONTROL TUNNEL DIODE Start Pulse to Pulser Fast Ramp Q594 BIAS R544 CONTROL TUNNEL DIO...

Page 48: ...nizer will oper ate is deter min d by adjusting the biasing on the UHF Syn chronizer c1rcu1try R480 and R481 and then adjusing the TRIGGER SENSITIVITY knob on the MODE switch The out 4 8 put from the UHF Synchronizer tunnel diode is coupled through C494 and connected to the trigger line that goes to the horizontal circuitry via J496 HORIZONTAL SYSTEM Trigger Circuit Schematic The trigger circuit s...

Page 49: ...G COMPONENTS L __________ i RANGE TIMING COMPONENTS Pl to Avalanche 0134 To Pulse Generator Driver Tunnel Diode D423 PULSER COMPARATOR Q624 Q634 PULSE POSITION R621 PULSER FAST RAMP Q594 Q603 Q6l4 1 I R546L I I R527 I I AA I I I I I I I I I I I CONTROL TUNNEL DIODE 0545 I I IN TR GER 1 I CIRCUIT I 1_ _ _ _ _ _ _ __ SAMPLER FAST RAMP Q554 0563 Q574 Q581 SAMPLER RAMP TIMING R588 SAMPLER COMPARATOR 0...

Page 50: ...G TUNNEL DIODE D725 RETRACE BLANKING AMP Q724 R740 D381 I C740 Retrace Blanking to interdot Blanking Amplifier Retrace Blanking to Blanking Amplifier D740 SWEEP GENERATOR Q734 Q753 Q761 D742 D743 EXT HORIZ ATTEN MANUAL SCAN SWEEP GENERATOR E F Q783 0 JJ770 D787 I A To Magnifier Variable R641 ZENER DIODE SWEEP LENGTH R787 HORIZ OUTPUT n r i0 i a ID loo ...

Page 51: ... Volt Rectifier and Filter 0810 0811 4 V RMS 19 Volt Rectifier 0850 0851 R801 150 Volts from 1 Main Frame Fig 4 8 Power Supplies Series Regulator Q827 Series Regulator Q867 Series Regulator Q887 Circuit Description Type 1S2 19 Volts 19 Volts 136 Volts 19 19 4 11 ...

Page 52: ...ibrated cur rent flow through the collector of Q664 is set by R661 The 4 12 percentage of this current which is driven into the low imped ance of the amplifier can be set quite linearly with the rota tion of R664 the 10 turn POSITION control This permits the display to be shifted in time by a calibrated amount Sweep Generator Schematic0 The sweep generator provides a voltage ramp ranging from 1 to...

Page 53: ...l 1 is regulated to 136 volts by the regulator circuit consisting of a comparison transistor Q874 Circuit Description Type 152 an amplifier transistor Q884 and a series regulator transistor Q887 Q874 compares the voltage from the divider R888 R886 and R887 136 V with D870 anode voltage Q874 collector current path through R874 provides the base voltage to Q884 Q884 drives Q887 series regulator The ...

Page 54: ...NOTES ...

Page 55: ...h a mild detergent and water solu tion A cotton tipped applicator is useful for cleaning in narrow spaces or for cleaning ceramic terminal strips and circuit boards lubrication The reliability of potentiometers rotary switches and other moving parts can be increased if they are kept properly lubricated Use a cleaning type lubricant such as Tektronix Part No 006 0218 00 on switch contacts Lubricate...

Page 56: ...rown Black Brown on Tan nificant figures with a multiplier the value will be printed on the resistor For example a 333 kn resistor will be color coded but a 333 5 kn resistor will have its value printed on the resistor body 5 2 The color coding sequence is shown in Fig 5 1 Capacitor Marking The capacitance values of common disc capacitors and small electrolytics are marked in micro farads on the s...

Page 57: ...amount of solder if necessary to assure a good bond Use the tweezers as a heat sink and use only enough heat for a good connection Replacement of other soldered in components Grip the component lead with long nose pliers Touch the soldering iron to the lead at the solder connection Do not lay the iron directly on the board as it may damage the board Refer to Fig 5 3 When the solder begins to melt ...

Page 58: ...laced without removing the boards from the instrument Observe soldering precautions given under Soldering Tech niques in this section However if the underside of the board must be reached or if the board must be moved to gain access to other areas of the instrument only the mounting screws need be removed The interconnecting wires allow the board to be moved out of the way or turned over without u...

Page 59: ...4 must be observed when replacing either of them These transformers must be installed correctly for the circuit to function Replacement of Shields The parts must be reassembled properly to maintain the 50 n impedance through the transis tion from the GR connector to the circuit board Failure to follow this procedure results in poor ground connection poor displays and pulse flatness deviations Clea...

Page 60: ...ree of the captive bolts and the board can then be brought out the instrument left side Lamp removal and replacement requires a pair of tweezers and a small soldering iron Withdraw the burned out lamp To install the new lamp cut the leads to proper length and then bend then into the same shape as found in the original lamp 5 6 After soldering the new lamp in place check that there is no excess sol...

Page 61: ...tion effort is plan ned Changing power supply voltages alters the whole instrument calibration Other steps of the Calibration Procedure can be performed in any sequence unless otherwise stated 4 Isolate the Trouble to a Circuit If the trouble has not been corrected or isolated to a particular circuit with the preceding steps make the following checks if possible Maintenance Type 152 a Check for th...

Page 62: ...play instrument such as a Tektronix Type 575 However if a good transistor checker is not readily available a defective transistor can be found by signal tracing by mak ing in circuit voltage checks by measuring the transistor for ward to back resistance using proper ohmmeter resistance ranges or by using the substitution method The 1ocation of all transistors is shown in the parts location figures...

Page 63: ... this instrument result in close spacing An inadvertent movement of the test probes or the use of oversized probes may short between circuits Diode Checks A diode can be checked for an open or shorted condition by measuring the resistance between terminals With an ohmmeter scale having an internal source of about 1 5 volts the resistance should be very high in one direction and very low when the l...

Page 64: ... panel you plan to test the FET This resistor develops a volt age bias for the Gate lead at 1 volt per mA base step current Since the leads of the FET are short you can avoid bend ing them with a chance of breakage by building an adapter out of a spare transistor socket and wire leads to the slop ing panel binding posts Follow Fig 5 10 when making connections Major Circuit and Parts Locations The ...

Page 65: ... l J l Blu on wht Blk orn Yel blk Blk blu on Blk grn on Blk red on wht Fig 5 11 Readout circuit board assembly on wht on wht Maintenance Type 152 5 11 ...

Page 66: ...Maintenance Type 152 Fig 5 12A Horizontal circuit board assembly 5 12 ...

Page 67: ...circuit board assembly Maintenance Type 152 Shield for B B Yel yel on gy coaxial Blk vio on wht Blk on whl E Blk grn on Gy coaxial F Shield for E G Shield for H H Red red on gy coaxial I Red red on gy coaxial J Shield for I K Yel on wht L Red on wht M Orn on wht N Grn on wht Shielded pair S Grn blk on wht pair coaxial Orn grn on gy coaxial Shield for T coaxial Red blk blk on wht Z Red blk blk on w...

Page 68: ...Maintenance Type 152 Added at SN 3000 up Fig 5 13A Vertical circuit board assembly 5 14 ...

Page 69: ...rn whl on gy coaxial Red blk blk on wht Red blk blk on tan R Shield for S S Wht wht on gy coaxial T Blk gm on wht U llrn blk brn on Ian V Red blk blk on tan W Red blk blk on wht m X Brn blk brn on whl AA Shield for Z ffi Y Brn reel rea on wht Z Om vio on gy coaxial J r Shield for shielded pair Shield for AD Gy gy on gy coaxial Shield for AF Shielded pair AF Wht wht on gy coaxial AG Shield for AH A...

Page 70: ...k on wht Q Red on wht P Brn on wht O Wht wht on gy coaxial L Shield for K K Red red on gy coaxial J Orn blk on wht Z Wht wht on gy coaxiaL J420 Grn grn on coaxial _____ E Vio blk on wht c Gy on wht A Shield for B orn on gy coaxial D Red blk blk on tan F Grn red on gy coaxial G Shield for F I Yel yel on gy coaxial H Shield for I Fig 5 14A Pulser circuit board assembly front ...

Page 71: ...r 1 r I Ma ntenance Type 152 Fig 5 148 Pulser circuit board assembly lbackl 5 17 ...

Page 72: ... 18 Ye orn on gy cooxiol Blk I Shielded poir Red Jl s c _ _ q c Jl 35 Wht whl on gy cooxiol j A Brn blk brn on wht B Red blk blk on wht C Red blk blk on ton Fig 5 1 SA Sompier circuit board ossembly front for SN 3000 and up ...

Page 73: ...r l l Fig 5 158 Sampler circuit board assembly back for SN 3000 and up Maintenance Type 1S2 5 19 ...

Page 74: ...Maintenance Type 1S2 5 20 B Red blk i lk on wht C Red blk blk on t n Shielded pair Jl 1S Yel orn on gy coaxial Fig 5 1 SC Sampler circuit board assembly Cfrontl SN 1989 2999 _ ...

Page 75: ...Maintenance Type 152 r L L l L L l Fig 5 150 Sampler circuit board assembly back SN 1989 2999 5 21 ...

Page 76: ...Maintenance Type 152 Fig 5 16A Regulator circuit board assembly 5 22 ...

Page 77: ...Yel Red red brn on wht p Orn grn brn on wht E Blu 131 Red blk blk on wht C Red blk R 121 Vio on wht B Vio on wht S 121 Wht A Blk on wht T 131 Red blk blk on tan u Grn blk on wht v 2 Blk brn on wht w Yel on wht x Blk vio on wht y Blk blu on wht z 131 Brn blk brn on tan l I f I Fig 5 16 B Regulator circuit board assembly 5 23 ...

Page 78: ...NOTES ...

Page 79: ...ut put amplitude 500 mV Output impedance 50 n The Pola rad Model 1107 is recommended 7 Amplitude Calibrator Amplitude accuracy 0 25 amplitude range 2 0 volts to 100 volts Repetition range 1 kHz Tektronix Calibration Fixture 067 0502 00 is recom mended 8 Pulse Generator such as the Tektronix Type 284 Pulse Generator used in this procedure Pulse risetime S 70 ps at approximately 200 mV amplitude int...

Page 80: ...Amplitude switch to 5 volts 6 2 Observe a horizontal deflection on the Type 547 CRT Position the display to the center of the graticule area Adjust the Type 547 Variable 10 1 to place the dots ex actly 5 cm apart NOTE Once the Type 547 Variable 10 1 control is set as just mentioned be careful not to move it again dur ing the balance of this procedure e Disconnect the clip lead adapter f Connect a ...

Page 81: ...directly from the Type W Comparison dials I The voltage should be 1 2 volts 1 1 188 to 1 212 V Performance Check Type 152 4 Check X 1 Offset Output Range Requirement At least and 2 Volts a Rotate the Type 1S2 OFFSET and FINE controls fully clockwise b Switch the Type W Input A selector switch to Gnd c Rotate the Type W Voltage Comparison dials to 0 00 d Vertically position the trace on the Test Os...

Page 82: ...curacy of the remainder of the POSITION control as outlined in the above steps Position each mark in turn to the l cm graticule line and check the POSITION con trol for accuracy 8 Check Magnifier Variable Range Requirement Not less than a 2 5 l increase in sweep rate from CAL position 6 4 a Switch the Type 1S2 MAGNIFIER to X20 b Switch the Time Mark Generator Marker Selector to l µ s c Position a ...

Page 83: ... display for l cycle of sine wave per graticule line r Rotate the Type l S2 DIELECTRIC PRESET control fully clockwise s Measure the distance between the crest at the l cm graticule line and the twelfth crest from the l cm graticule line The distance measured should lie between 7 2 and 7 8 divisions t Remove the 50 0 5 ns cable from the Type 184 Time Mark Generator Output u Reset HORIZONTAL UNITS D...

Page 84: ... Tee con nector d Connect a 5 ns cable from the Tee Power Divider to the Delay Cable and a 5 ns cable from the Delay Cable to the lower THRU SIGNAL CHANNEL 50 n connector e Connect a 20 cm Air Line with a GR Short Circuit to the GR Tee connector f Connect a 5 ns cable from the GR Tee Power Divider to the Type 1S2 EXT TRIG INPUT connector g Connect a 500 Termination to the Type 1S2 upper THRU SIGNA...

Page 85: ...op of the display the final steady state value following the flatness deviations to the graticule center line d Set the Type 1S2 MAGNIFIER switch to XS and re position the trace horizontally to observe the aberrations e Check the display for aberrations not more than 2 5 l 114 division above or below the graticule center line during the first l 0 ns 5 divisions of display f Check for not more than...

Page 86: ...ng times VERTICAL UNITS DIV setting equals Pulse amplitude For example Comparison voltage reading 4 93 X VERTICAL UNITS DIV setting 05 equals 246 V pulse amplitude g Switch the Type 1S2 p VOLTS switch to p 6 8 h Check for 5 divisions of display on the Type 547 grati cule 22 Check 25 Volt Pulser Jitter Requirement Less than 20 ps a Reset the Type 1S2 controls as follows VERTICAL UNITS DIV MAGNIFIER...

Page 87: ...asured tangentially NOTE When making a visual noise reading from a sam pling display the eye interprets a noise value Performance Check Type 152 which is neither the RMS nor the peak to peak value Since most observers agree that the dis played noise value is approximately 3 times the RMS value the Tangential Noise here defined is 3 times the RMS value The measurement tech nique given produces acce...

Page 88: ...RANGE 10 µ s 1 km flection factor in mV the fact that the final trace separation is twice the RMS noise and that the tangential noise is then 3 times the RMS noise The square wave signal ampli tude that makes two traces appear as one sets the trace separation at twice the RMS noise The procedure used here then permits a noise deflection factor to be determined by dividing the input mV div deflecti...

Page 89: ...Indicator Oscilloscope and the oscilloscope used to observe waveforms and voltages is referred to as the Test Oscilloscope All Type 1S2 controls are written in all capitals Other controls have the first letter capitalized only RECOMMENDED EQUIPMENT see Fig 7 1 and Fig 7 2 General The following equipment or its equivalent is required for complete calibration of the Type 1S2 Specifications given are...

Page 90: ...Calibration Type 152 l1l 12 3 1 131 041 mi Fig 7 1 Recommended calibration equipment items 1 through 15 7 2 ...

Page 91: ...tors Impedance 50 O attenuation 10X Tek tronix Part No 017 0078 00 attenuation 5X Tektronix Part No 017 0079 00 attenuation 2 X Tektronix Part No 017 0080 00 14 Termination Impedance 50 O connectors GR type 874 GR874 WSOB Tektronix Part No 017 0081 00 15 Adapter Impedance 50 O GR to BNC female Tek tronix Part No 017 0063 00 16 Adapter Impedance 50 O GR to BNC male Tek tronix Part No 017 0064 00 17...

Page 92: ...Procedure page 7 9 page 7 9 O 5 Check Manual Scan Operation page 7 10 MANUAL SCAN range at least 7 volts POSITION range at least 7 volts 0 6 Adjust Sweep Duration page 7 1 OJ Sweep Start at 1 0 volts 0 1 volt Sweep Amplitude 10 4 volts 0 7 Check Single Sweep page 7 10 7 4 Observe a ramp each time SINGLE SWEEP button is depressed 0 8 Adjust Inverter Zero page 7 11 Adjust INVERTER ZERO for 0 volts a...

Page 93: ...23 page 7 24 page 7 24 Calibration Type 152 0 34 Check System Risetime page 7 24 Measured risetime 5140 ps from 10 to 90 amplitude points 0 35 Adjust Transient Response Optimum flat top and best corner See Calibration Procedure 0 36 Check 1 0 V Pulse Flatness Deviation page 7 25 page 7 26 Not more than 2 5 during the first 10 ns Not more than 1 after the first 10 ns 0 37 Check 25 V Pulse Flatness ...

Page 94: ...tting even if the Check is within the allowable tolerance The following procedure uses the equipment listed under Equipment Required If substitute equipment is used con trol settings or setup must be altered to meet the requirements of the equipment used Modification of the 50 Q Amplitude Calibrator 067 0508 00 If the instrument you are using has a repetition rate of 20 kHz modification is require...

Page 95: ...o the connector on the Flexible Extender 3 Pull out the white plunger at top rear of the Type 547 plug in compartment Calibration Type 152 4 Turn the Type 547 Intensity control counterclockwise 5 Turn the power switch to ON 6 Insert the Type W into the Test Oscilloscope and apply power 7 Allow a 20 minute warm up NOTES 7 7 ...

Page 96: ...LE CAL Stability Stable Display DISPLAY MODE MAN MANUAL SCAN Clockwise Time cm 1 ms MODE EXT TRIG Variable Calibrated UHF SYNC OR Midrange Sweep Magnifier Off TRIGGER SENS MAGNIFIER Xl Type w Plug In RANGE 10 µs 1 km Display A Ve POSITION 0 00 Input Atten 10 HORIZONTAL TIME UNITS DIV Millivolts cm 50 p VOLTS VOLTS Variable Calibrated RESOLUTION NORMAL Comparison Voltage 1900 Indicator Oscilloscope...

Page 97: ...ype W Input A connector and to TP525 See Fig 7 6 This will produce a free running trace on the Test Oscillo scope b Set the UHF SYNC OR TRIGGER SENS control to mid range white dot straight up This should extinguish the trace c Adjust R544 CONTROL TD BIAS clockwise until a trace again appears on the Indicator Oscilloscope or Test Oscil loscope whichever is being used for this step d Set the CONTROL...

Page 98: ...just Sweep Duration a Set the Type 1S2 DISPLAY MODE switch to NORMAL b Set the Test Oscilloscope Time cm switch to Sms and the Type W Input A selector switch to GND c Connect the lOX Probe tip to the center arm of the MAGNIFIER VARIABLE control R641 shown in Fig 7 9 d Position the Test Oscilloscope trace to the graticule center line using the Type W Position control e Set the Type W Comparison Vol...

Page 99: ...ckwise b Connect the 50 0 Termination to the Type lS2 UPPER THRU SIGNAL CHANNEL 50 a connector c Position the trace start to the l cm line on the CRT d Connect a short clip lead between the Type lS2 chassis ground and the center arm of the MAGNIFIER VARIABLE control e Connect a DC Voltmeter range set to 6 volts across the PRESET control R650 front panel Calibration Type 152 Fig 7 9 Location of con...

Page 100: ...of test points TP200 and TP235 Vertical Circuit board assembly f Continue turning R677 until the spike appears to jump to the left then turn R677 counterclockwise until the spike jumps to the right Set R677 approximately 10 farther coun terclockwise The spike should be on the down right side of the display Set the Time cm to 1 p s and the MAGNIFIER to X 10 for a more obvious test oscilloscope disp...

Page 101: ...Fig 7 13 Typical CRT display of waveform at TP200 i l Calibration Type 152 Fig 7 14 Typical CRT display for measurement of Memory Gate Width NOTES 7 13 ...

Page 102: ...gering Mode AC VARIABLE CAL Trigger Slope Int DISPLAY MODE NORMAL Triggering Level Clockwise MANUAL SCAN Clockwise Stability Clockwise Time cm 2 f LS MODE 25 V INT PULSE Variable Calibrated UHF SYNC OR Midrange Sweep Magnifier Off TRIGGER SENS Type w Plug In MAGNIFIER Xl Display A Ve RANGE 10 p s 1 km Input Atten 10 POSITION 0 00 Millivolts cm 20 Variable Cal HORIZONTAL TIME Compari on Voltage 0 0...

Page 103: ...OLTS 14 Adjust Variable Balance and Offset Range a Connect the lOX Probe to test point TP268 Memory Output al d check for zero volts as shown by a vertically centered trace on the Test Oscilloscope b Observe the trace on the Indicator Oscilloscope and adjust the OFFSET RANGE control R396 shown in Fig 7 16 to center the trace vertically on the CRT graticule c Rotate the VERTICAL UNITS DIV VARIABLE ...

Page 104: ... 1 2 7 16 c Rotate the VERTICAL UNITS DIV VARIABLE fully coun terclockwise d Observe not more than 1 2 divisions of display on the Test Oscilloscope CRT e Rotate the VERTICAL UNITS DIV VARIABLE through CAL fully clockwise f Observe not less than 6 0 divisions of display 19 Check Offset Accuracy and Range a Set the VERTICAL UNITS DIV switch to 05 b Connect the lOX Probe tip to the Type 1S2 Xl OFF S...

Page 105: ...le 10 1 As set Standard Amplitude Calibrator Mode llJ Amplitude 5 volts Output Selector Switch Calibrator Output UP Time Mark Generator Marker Selector Trigger Selector H F Selector Marker Amplifier 1 µ s 1 µ s Off Off 20 Adjust Sampler Ramp and Timing a Preliminary equipment setup is shown in Fig 7 17 Parts b through e accurately set the horizontal gain of the Indi cator Oscilloscope b Connect a ...

Page 106: ...AMP TIMING R588 shown in Fig 7 20 for l marker division on the graticule check timing over the center 8 divisions See Fig 7 19 m Set the RESOLUTION switch Jo NORMAL the RANGE switch to l µ s l 0 m and the Time Mark Generator for the l 0 ns signal n Obtain a stable display and adjust C585B Fig 7 21 for l cycle per division 7 18 o Set the RANGE switch to l µ s 100 m and the Time Mark Generator for l...

Page 107: ...counterclockwise until a time mark coincides with the 1 cm vertical graticule line d Note the POSITION dial reading Calibration Type 152 Fig 7 21 Location of C585B for step 20 e Continue turning the POSITION control and note the dial reading when the next marker coincides with the 1 cm graticule mark f Note the POSITION dial reading The dial reading should be the original setting plus 1 major divi...

Page 108: ...CTRIC switch to POLYETHYLENE n Position a sine wave crest to the 1 cm graticule line using the Type 1S2 POSITION control o Measure the distance between the crest at the 1 cm graticule line and the twelfth crest from the 1 cm graticule line The distance measured should be between 7 7 and 8 15 divisions p Set the DIELECTRIC switch to PRESET q Rotate the PRESET control fully counterclockwise r Check ...

Page 109: ... As previ ously set Type W Plug In Display A Ve Input Atten 1 Millivolts cm 50 Variable Cal Comparison Voltage 0 00 Ve Range 0 Input A selector Gnd Position Midrange 26 Adjust 1 Volt Pulse Stability and Pulse Start Level o Test equipment setup is shown in Fig 7 25 b Connect the 10 inch GR Connector Cable between the Type 1S2 1 VPULSE SOURCE 50 n and THRU SIGNAL CHANNEL 50 0 c Connect a 50 n Termin...

Page 110: ...raticule center line using the Type W Position control d Set the Type W Input A selector DC and the Ve Range to l l e Rotate the Type lS2 OFFSET control to bring the base line of the display on the Test Oscilloscope to the horizontal graticule center line f Rotate the Type W Comparison Voltage outer dial to 5 00 g Adjust the Type 1S2 1 0 V p CAL R35l Fig 7 28 to posifron the top of the display to ...

Page 111: ...he baseline Calibration Ty 1e 152 Fig 7 29 Locations of C6 I 5F C615H and PULSE POSITION R62 I control NOTE Proceed to the next step unless the 25 Volt Pulser signal moves rapidly across the CRT during warm up or after several hours operation i Warm the plates behind the INT PULSE connector for about 10 or 15 seconds with a hot air blower not listed in Equipment Required then adjust the TD TEMP CO...

Page 112: ...ion the top of the Test Oscilloscope display to the graticule center Iine 7 24 j Read the Comparison Voltage dials The indication should fall between 6 and 5 2 Volts Pulser amplitude may be calculated as follows Comparison Voltage dial indication XVERTICAL UNITS DIV equal Pulser amplitude For example if the Comparison Voltage dials indicate 4 73 Volts 4 73 X 05 236 Volts k Remove the 10X Probe Fig...

Page 113: ... 20 cm Air Line and install the 50 n termina tion to the upper THRU SIGNAL CHANNEL 50 n connector m Set the RANGE switch to 10 p s 1 km and adjust the Test Oscilloscope Triggering controls for a stable display similar to Fig 7 308 n Adjust the DOT RESPONSE control Rl 68 so the first dot is at least 80 or not more than 100 of the total amplitude as shown in Fig 7 308 35 Adjust Transient Response a ...

Page 114: ...eck the waveform for flatness deviation equal to or less than 1 1 division after the first 10 ns following the leading edge 37 Check 25 Volt Pulser Flatness Deviation a Move the end of the 10 inch GR Connector Cable con nected to the Type 1S2 1 0 V PULSE SOURCE 50 O connector to the 25 V PULSE SOURCE 50 O connector b Set the Type 1S2 MODE switch ro INT PULSE 25 V the RANGE to 1 µs 10 m and the VER...

Page 115: ...ANNEL 50 n connector through a 50 n 20 cm Air Line Connect the 50 n Termination to the upper THRU SIGNAL CHANNEL 50 n connector b Connect the Pulse Generator Trigger Out to the EXT TRIG INPUT connector through a 50 n 5 ns coaxial cable and BNC male to GR adapter c Position the trace on the Indicator Oscilloscope CRT with the Type 1S2 POSITION and OFFSET controls d Adjust the UHF SYNC OR TRIGGER SE...

Page 116: ...ntrols VERTICAL UNITS DIV MODE MAGNIFIER RESOLUTION p VOLTS OS INT PULSE 25 V XlO HIGH p c Position the reflected portion of the display to the CRT graticule area with the OFFSET and POSITION controls d Measure the flatness deviation about 4 ns after the reflected pulse leading edge Flatness deviation should be less than 10 of the reflected pulse amplitude 2 cm 40 Check Vertical Balance Repeat ste...

Page 117: ...NC 50 n coaxial cable then a BNC to GR co axial adapter a 5X GR attenuator a 10X GR attenuator Calibration Type 152 Fig 7 35 Noise check waveform Step 41 and the special variable attenuator feeding the Type 1S2 input Place the 50 n termination onto the other Thru Sig nal Channel connector b Set the Type 1S2 connector EXT HORIZ ATTEN DISPLAY MODE about 9 o clock EXT HORIZ down the osciloscope inten...

Page 118: ...t connector to the Type 1S2 EXT HORIZ INPUT with banana tip for probe and to ground c Observe two dots on the CRT separated by at least 1 cm d Rotate the Type 1S2 EXT HORIZ ATTEN fully counter clockwise e Switch the Standard Amplitude Calibrator Amplitude control to 100 volts f Check for not more than 1 5 cm spacing between the dots if there are two dots g Disconnect the Calibrator signals 7 30 43...

Page 119: ... for steps 42 43 and 44 k Switch the VERTICAL UNITS DIV to 005 and the MAG NIFIER to X 100 repositioning the trace as necessary using the Type 1S2 POSITION control to keep the display centered I Check the display on the CRT for not more than 100 ps 1 division of horizontal jitter 7 31 ...

Page 120: ...GR 50 n Termination in the upper THRU SIGNAL CHAN NEL 50 n connector b Connect a 50 n 5 ns cable from the Sine Wave Gen erator Output connector to the GR Tee Power Divider c Connect the GR Tee Power Divider to the Type 1S2 lower THRU SIGNAL CHANNEL 50 n connector and a 50 n 2 ns cable from the GR Tee Power Divider to the EXT TRIG INPUT connector d Set the Sine Wave Generator Frequency to 5 GHz e A...

Page 121: ...ator Tee connector Tee Power Divider 5 ns coaxial cable to the Delay Cable and a 5 ns coaxial cable from the Delay Cable to the lower THRU SIGNAL CHANNEL 50 n connector Connect the 20 cm Air Line with GR Short Circuit to the Tee connector and connect a 5 ns coaxial cable from the Tee Power Divider to the Type 1S2 EXT TRIG INPUT connector Connect a 50 n Termination to the Type 1S2 upper THRU SIGNAL...

Page 122: ...cations TABLE 7 3 RANGE 10 µ s 1 km 1 µ s 100 m 1 µ s 10 m MAGNIFIER DISTANCE TIME DISTANCE TIME DISTANCE TIME Xl 100 m 1000 ns 10 m 100 ns 100 cm 10 ns X2 SOm SOO ns Sm SO ns SO cm S ns XS 20m 200 ns 2m 20 ns 20cm 2 ns XlO 10 m 100 ns 1 m 10 ns 10 cm 1 ns X20 Sm SO ns SO Clli S ns Scm SOO ps xso 2m 20 ns 20cm 2 ns 2cm 200 ps X 100 1 m 10 ns 10 cm 1 ns 1 cm 100 ps TIME and DISTANCE units will be e...

Page 123: ...eel 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 O 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 oval head steel part of pan head brass pan head steel plastic paper meta...

Page 124: ...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...

Page 125: ...s Capacitors Tolerance 20 unless otherwise indicated CllO 283 0588 00 1990 2999 7 S pF Mica SOOY S CllO 283 0137 00 3000 7 pF Cer Clll 283 0588 00 1990 2999 7 5 pF Mica SOOY S l C111 283 0137 00 3000 7pF Cer Cll4 283 0121 00 1990 2999 0 001 µF Cer 200V C114 283 0023 00 3000 0 1 µF Cer lOV I C116 283 0004 00 0 02 µF Cer 150 v C117 283 0032 00 1990 2999X 470 pF Cer SOOY 5 C118 283 0032 00 1990 2999X...

Page 126: ...3 00S9 00 l µ F Cer 2SV 80 20 C230 283 0026 00 0 2 µ F Cer 2SV C240 283 0S94 00 0 001 µ F Mica lOOV 1 C242 283 0067 00 0 001 µ F Cer 200V 10 C254 28l OS04 00 10 pF Cer 500V 10 C260 283 0602 00 53 pF Cer 300V S C265 283 0081 00 0 1 µ F Cer 25V 80 20 C340 283 0026 00 0 2 µ F Cer 25V C344 283 0115 00 47 pF Cer 200V 5 C348 283 0067 00 0 001 µ F Cer 200V 10 C384 283 0114 00 1990 2999 0 0015 µ F Cer 200...

Page 127: ...ar Air CS8SC2 29S 0101 00 Timing Capacitor CS8SE CS8SG 28S 0006 00 68 pF Glass SOOY S CS86 283 0004 00 0 02 µ F Cer lSOV C602 283 0081 00 0 1 µ F Cer 2SV 80 20 C61SC1 295 0101 00 Timing Capacitor r C61SD 283 0597 00 470 pF Mica 300V 10 C61SE2 29S 0101 00 Timing Capacitor C61SF 281 0097 00 9 3S pF Var Cer L C61SG 283 0602 00 1990 3059 S3 pF Mica 300V S C61SG 283 0634 00 3060 3109 6S pF Mica lOOV 1 ...

Page 128: ...190 0111 0110 152 0482 00 3060 Olll 3059 GaAs 1 pair Schottky Barrier 1 pair 0123 152 0195 00 Zener 1N751A 0 4 W 5 1 V 5 0144 152 0252 00 Silicon Snap off 0148 152 0141 02 1990 2999X Silicon 1N4152 0161 152 0185 00 Silicon Replaceable by 1N4152 0186 152 0185 00 Silicon Replaceable by 1N4152 0203 152 0008 00 Germanium 0210 152 0185 00 Silicon Replaceable by 1N4152 0211 152 0185 00 Silicon Replaceab...

Page 129: ...l TD253B lOmA 0493 152 0185 00 Silicon Replaceable by l N4152 0504 152 0185 00 Silicon Replaceable by l N4l52 0515 152 0322 00 Silicon Tek Spec 0516 152 0322 00 Silicon Tek Spec 0517 152 0322 00 Silicon Tek Spec 0518 152 0322 00 Silicon Tek Spec 0520 152 0185 00 Silicon Replaceable by 1N4152 0522 152 0075 00 Germanium Tek Spec 0524 152 0070 00 Back B04 0 1 mA 0525 152 0177 00 Tunnel TD253B 10 mA 0...

Page 130: ...or Device Diodes cont Serial Model Eff 1990 3030 No Disc Description Silicon Replaceable by 1N4152 Silicon Replaceable by 1N4152 Silicon Tek Spec Silicon Replaceable by 1N647 Silicon Replaceable by 1N647 Zener 1N751A 0 4 w 5 1 v 5 Silicon Replaceable by 1N4152 Silicon 1N3194 Silicon 1N3194 Silicon Replaceable by 1N4152 Silicon 1N3194 Silicon 1N3194 Zener 1N751A 0 4 W 5 1 V 5 Silicon Replaceable by...

Page 131: ...N3904 0344 151 0087 00 Silicon 2Nl 131 0379 151 0179 00 Silicon 2N3877A Q393A B 151 1011 00 1990 3089 Silicon Dual FET 0393A B 151 1041 00 3090 Silicon Dual FET Q403 151 0190 00 Silicon 2N3904 Q404 151 0190 00 Silicon 2N3904 Q414 151 0188 00 Silicon 2N3906 Q424 151 0134 00 Silicon 2N2905 Q434 151 0188 00 Silicon 2N3906 0454 151 0212 01 1990 2339 Silicon Tek Spec Q454 151 0212 00 2340 Silicon Tek S...

Page 132: ...4 151 0228 00 Silicon Tek Spec Q884 151 0188 00 Silicon 2N3906 Q887 151 0149 00 Silicon 2N3441 Resistors Resistors are fixed composition l 0 unless otherwise indicoted Rl04 317 0390 00 1990 2999 39n 1 e w 5 Rl04 317 0510 00 3000 51 n 1 e w 5 Rl05 317 0390 00 1990 2999 39 n 1 s w 5 Rl05 317 0510 00 3000 51 n 1 e w 5 Rl06 317 0390 00 1990 2999 39n 1 s w 5 Rl06 317 0510 00 3000 51 n 1 e w 5 Rl07 317 ...

Page 133: ...X3000 68n 1 s W 5 lo R149 317 0680 00 X3000 68n 1 a w 5 R153 321 0262 01 s 23 kn 1 a w Pree R155 315 0101 00 lOOn 11 W 5 R156 321 0372 00 73 2 kn 1 s w Pree 1 I R157 322 1393 00 123 kn 1 4 w Pree 1 R158 315 0270 00 27 1 11 W 5 R159 315 0101 00 lOOn 11 W 5 R160 315 0270 00 270 lf W 5 R162 317 0200 00 200 1 a w 5 R163 317 0101 00 100 n lflOW 5 R164 315 0203 00 2okn lf W 5 R165 315 0392 00 3 9kn 1 4 ...

Page 134: ... kn W 5 R227 315 0270 00 27n W 5 R228 315 0270 00 270 W 5 R229 315 01 00 00 10 n W 5 R230 321 0270 00 6 34 kn 1 a w Pree 1 R231 321 0222 00 2kn 1 s w Pree 1 R232 321 0222 00 2 kn 1 a w Pree 1 R233 321 0270 00 6 34 kn 1 a w Pree 1 R235 317 0102 00 1 kn 1 a W 5 R236 317 0102 00 1 kn 1 a w 5 R242 315 01 02 00 1 kn W 5 R243 315 0912 00 9 1 kn W 5 R244 301 0204 00 200 kn 1 2 w 5 R245 323 0420 00 232 kn...

Page 135: ...1 0732 06 85 69 kn 1 a w Pree l 4 R348 321 0731 06 11 32 kn 1 a w Pree l 4 R351 311 0433 00 100 n Var R352 321 0176 00 665n 1 a w Pree 1 R353 311 0442 00 250 n Var R356 311 0634 00 500 n Var r R359 315 0134 00 130 kn 1 W 5 R360 311 0633 00 5 kn Var R361 321 0292 00 10 7 kn 1 a w Pree 1 L R362 321 0292 00 10 7 kn 1 a w Pree 1 R365 321 0435 00 332 kn 1 a w Pree 1 R367 321 0365 00 61 9 kn 1 a w Pree ...

Page 136: ... R435 317 0270 00 27n 1 a w 5 R436 317 0750 00 75n 1 a w 5 R437 307 0099 00 48n 1 R438 315 0302 00 1990 2999 3kn 1h w 5 R438 317 0302 00 3000 3 kn 1 a w 5 R439 311 0607 00 10 kn Var R441 307 0103 00 2 7n 1h w 5 R442 315 0821 00 820n 1 W 5 R443 311 0609 00 2 kn Var R444 303 0391 00 390n lW 5 R445 301 0181 00 180n W 5 R447 315 0121 00 120n 1f4 w 5 R448 315 0271 00 270n 1 4W 5 R449 315 0271 00 270n 1...

Page 137: ... 0393 00 39kn lf W 5 R534 323 0345 00 38 3 kn W Pree 1 R535 321 0289 00 10 kn 1 s w Pree 1 R540 315 0183 00 18 kn lf W 5 R543 307 0103 00 2 7n lf W 5 R544 311 0635 00 1 kn Var R545 315 0751 00 750n lf W 5 t R546 315 0751 00 750n lf W 5 R549 315 0220 00 22n lf W 5 R553 315 0200 00 2on 1 4 w 5 r R554 315 0471 00 470n lf W 5 R560 321 0222 00 1990 3109 2 kn 1 s w Pree 1 R560 321 0165 00 3110 511 n 1 s...

Page 138: ...645D 321 0302 00 13 7 kn 1 e w Pree 1 R645E 321 0679 00 34 kn 1 e w Pree R645F 321 0282 00 8 45 kn 1 e w Pree 1 R645G 321 0693 00 68 1 kn 1 e w Pree 1 2 R645H 321 0277 00 7 5 kn 1 e w Pree 1 R645J 321 0728 01 136 kn 1 e w Pree R645K 321 0275 00 7 15 kn 1 e w Pree 1 R645L 321 0436 01 340kn 1 a w Pree 1 2 R645M 321 0274 00 6 98 kn 1 a w Pree 1 R645N 321 0436 01 340 kn 1 e w Pree 1 2 R645P 321 0436 0...

Page 139: ...11 kn W 5 R712 315 0202 00 2kn W 5 R718 315 0113 00 11 kn 1 4 w 5 R720 315 0472 00 4 7 kn W 5 R721 315 0471 00 470n W 5 R724 315 0510 00 51 kn W 5 R730 315 0563 00 56k l 1f4 w 5 I R731 315 0104 00 lOOkn W 5 R734 315 0392 00 3 9kn W 5 R735 315 0472 00 4 7 kn W 5 R740 321 0250 00 3 92 kn 1 a w Pree 1 r R741 315 0221 00 220n W 5 R742 321 0289 00 10 kn 1 e w Pree 1 I R750 315 0204 00 200 kn W 5 R751 3...

Page 140: ... 315 0752 00 7 5 kn W 5 R862 315 0153 00 15 kn W 5 R863 315 0132 00 1 3 kn W 5 R864 315 0103 00 10 kn W 5 R866 323 0195 00 1 05 kn W Pree 1 R867 311 0605 00 200 n Var R868 323 0151 00 365n W Pree 1 R870 315 0472 00 4 7 kn W 5 R874 315 0103 00 10 kn W 5 R883 301 0623 00 62 kn W 5 R885 301 0680 00 68n W 5 R886 308 0313 00 20 kn 3W WW 1 R887 311 0635 00 1 kn Var R888 323 0268 00 6 04 kn W Pree 1 Swit...

Page 141: ... 0579 00 214 0579 00 214 0579 00 214 0579 00 214 0579 00 214 0579 00 Electrical Parts List Type 152 Switches cont Serial Model No Eff Disc Description 1990 Rotary Slide Push Button Slide Rotary Rotary Transformers 2999X Toroid 2 turns bifilar Toroid 2 windings Toroid 5 turns bifilar Toroid 15 turns Toroid 8 turns bifilar Toroid 2 windings Power Test Points Pin Test Point Pin Test Point Pin Test Po...

Page 142: ......

Page 143: ...ust be purchased 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...

Page 144: ...Mechanical Parts List Type 152 INDEX OF MECHANICAL PARTS LIST ILLUSTRATIONS Located behind diagrams FIG 1 FRONT FIG 2 FRAME CHASSIS FIG 3 SAMPLER PULSER CIRCUIT BOARDS FIG 4 STANDARD ACCESSORIES ...

Page 145: ...cludes SCREW set 6 32 x 3 16 inch HSS RESISTOR variable mounting hardware not included w resistor WASHER flat 0 390 ID x 9 16 inch OD NUT hex 32 x inch CABLE HARNESS switch CABLE HARNESS resistor KNOB red EXT HORIZ ATIEN MANUAL SCAN knob includes SCREW set 6 32 x 1 8 inch HSS KNOB charcoal DISPLAY MODE knob includes SCREW set 6 32 x 3 16 inch HSS SWITCH wired DISPLAY MODE switch includes SWITCH un...

Page 146: ...230 1 ROD extension 18 1 RESISTOR variable resistor includes 213 0048 00 SCREW set 4 40 x 1 a inch HSS mounting hardware not included w resistor 19 211 0016 00 2 SCREW 4 40 x 5 a inch RHS 166 0026 00 2 TUBE spacer 0 125 ID x 3 16 OD x inch long mounting hardware not included w switch 210 0012 00 LOCKWASHER internal ID x 1 2 inch OD 20 210 0413 00 NUT hex 3 a 32 x inch 21 366 0189 00 KNOB red DIELE...

Page 147: ...HF SYNC OR TRIGGER SENS knob includes 213 0020 00 SCREW set 6 32x1 e inch HSS 36 366 0322 00 KNOB charcoal MODE knob includes 213 0004 00 SCREW set 6 32 x 3 16 inch HSS 37 262 0780 01 SWITCH wired MODE switch includes 260 0795 01 1990 2259 1 SWITCH unwired 260 0795 02 2260 1 SWITCH unwired 384 0358 01 1 ROD extension f 38 1 RESISTOR variable mounting hardware not included w resistor 39 210 0046 00...

Page 148: ...0 CAP mounting hardware not included w assembly 50 21 0 0046 00 LOCKWASHER internal 1 4 ID x 0 400 inch OD 51 210 0455 00 NUT hex 1 4 28 x 2 inch 52 352 0084 00 2 HOLDER neon light 0 405 diameter x 0 650 inch long 53 200 0643 00 2 CAP lamp holder 54 378 0541 00 2 FILTER lens neon light 55 260 0816 00 1 SWITCH slide RESOLUTION mounting hardware not included w switch 56 211 0030 00 2 SCREW 2 56 x l ...

Page 149: ...nt 1 PLATE front sub panel 2 RESISTOR variable 2 l 1 1 1 1 2 mounting hardware for each not included w resistor LUG solder 1h ID x 7 16 inch OD SE NUT hex 1 4 32 x 5 16 diameter x 19 32 inch long BUSHING banana jack KNOB grey plug in securing knob includes SCREW set 6 32 x 3 16 inch HSS WASHER plastic 0 190 ID x 7 16 inch OD ROD securing rod includes RING retaining DIAL w o brakes POSITION dial in...

Page 150: ...4 inch PHS 9 211 0507 00 3 SCREW 6 32 x 5 16 inch PHS 10 210 0457 00 3 NUT keps 6 32 x 5 16 inch 11 2 CAPACITOR mounting hardware for each not included w capacitor 12 344 0016 00 CLIP capacitor mounting 13 213 0044 00 SCREW thread forming 5 32 x 3 16 inch PHS 14 129 0069 00 4 POST terminal each post includes 129 0075 00 POST plastic tie off 15 358 0176 00 BUSHING plastic 210 0686 00 EYELET not sho...

Page 151: ...includes 1 BOARD circuit 5 PIN test point 2 SOCKET transistor 3 pin 12 SOCKET transistor 3 pin 2 SOCKET transistor 6 pin 1 HOLDER plastic 1 BUSHING insulator mounting hardware not included w assembly 4 SCREW sems 6 32 x 0 313 inch PHB CHASSIS main mounting hardware not included w chassis 3 SCREW 6 32 x 1 4 inch PHS 1 SCREW 6 32 x 5 16 inch PHS 3 NUT keps 6 32 x 5 16 inch RESISTOR mounting hardware...

Page 152: ...HS 61 210 0586 00 NUT keps 4 40 x 1 4 inch 62 386 1 086 00 1 PLATE rear 63 670 0117 01 1 ASSEMBLY circuit board REGULATOR 64 214 0506 00 12 PIN connector 388 0734 01 l BOARD circuit board includes 64 214 0506 00 12 PIN connector 65 136 0220 00 5 SOCKET transistor 3 pin 66 136 0183 00 l SOCKET transistor 3 pin 67 214 0579 00 3 PIN test point 68 352 0100 00 2 HOLDER variable resistor 69 358 0214 00 ...

Page 153: ... 2 SHELL connector 10 214 0700 00 2 COUPLER 11 220 0460 00 2 NUT coupling 12 103 0054 00 2 ADAPTER section line 13 131 0391 00 2 CONNECTOR coaxial 1 contact 14 337 0847 00 l SHIELD bottom mounting hardware not included w shieldl 15 211 0014 00 2 SCREW 4 40 x 1 2 inch PHS 16 361 0126 00 2 SPACER sleeve hex 0 188 x 0 310 inch long 17 337 0848 00 SHIELD top mounting hardware not included w shield 18 ...

Page 154: ...LL contact 34 214 0700 00 2 COUPLER 35 220 0460 00 2 NUT coupling 36 103 0054 00 2 ADAPTER section line 37 131 0391 00 2 CONNECTOR coaxial 1 contact 38 136 0183 00 1 SOCKET transistor 3 pin 39 352 0100 00 3 HOLDER variable resistor mounting hardware for each not included w holder 40 358 0214 00 BUSHING insulator 41 352 0097 00 1 HOLDER rod resistor 42 214 0259 00 1 SPRING interlock pin 43 210 0676...

Page 155: ...MP START PULSE D4BS 0 uJ uJ J ifl P0 1TION CAL I POSITION I Dl5 TANC E TIME RE TRAC E BLANKING Q7 2 4 5WE EP GATING TD 07 2 5 IE _XT TRIG INPUT I 3V MAX __ r uJ ifl ill i PUL5E PULS E R FA T RAMP OWE EP LE NGTH PULSE 0URCE t son IV PULSE GE NE RATOR c _______ Q454 4 a4 474 IV PUL5E R D u iz L___ 0 2 SV PULSE GE NE RATOR 0 2 SV PULSE ISTABILITY I Q434 0435 GE NE RATOR DRIVE R Q404 Q4 2 4 Q414 04 2 ...

Page 156: ...ed otherwise Volt Ohmmeter 20 000 Q volt Connected to oscilloscope through 20 inch flexible exten sion Tektronix Part No 012 0038 00 An interference will be shown on the Oscilloscope unless the flexible extensions wire connecting pin 8 is shielded Using the Type 547 Oscilloscope with the flexible extension the white plunger inside the top rear of the Type 547 plug in compartment must be pulled for...

Page 157: ...__ _ J Ar 4 _ Cll4 Q I FROH R e VOLIS RI04 SI RIO O I RIOS SI RI07 SI 1oov i AVALANC 1 Rl37 I 100 C I 30 o I Rl O 100 R Yl 1501 1 3 7 Rl 3 OK AVALA C lo VOL S 19V Tl3S n111 17 I 7 7 5AMPLING U llT DI I 0 0 AMl L NG RIOG t c 14 l I f F I R 40 10 1 7 NA P OFF C URRC NT Q 34 C I 214 ISO R 44 3 0 T 44 RllO 2 00 C 110 I c I e Jv v v__ _ R 6 7 R 8 41 19V jHI C II o o l r 6 6 R 4B Rl49 08 68 C 4B C 149 Q...

Page 158: ...FIE R Dl23 5 IV 19V Rl24 51 Cl25 15 J F1 Rl25 2K 19V RllO 150 CllO 7 5 I Clll 7 5 Riii 150 5AMPLIN6 B R IDG 5 19V Rl42 10 Rl43 390 r 2 Cl42 1 l F Q 43 Rl44 10 Rl45 I 100 Cl45 I 1 STROBE CLIP LINE DE NOTE 5 LE ADLE S5 CAPACITOR SE E PARTS L IST FOR E MIC ONDUCTOR TYPE S 81 4 5 6 9 G___ ______ TRANSIE NT I I I I 1180 Cl29 RE PONSE 2T 2T Cl28 2 8 Cl4 8 15 l T 01 48 Cl49 15 50LRC E FOLL E R r ii 19V I...

Page 159: ...ANGE MAGNIFIER MODE AIR 1 µs 100 m Xl UHF SYNC OR TRIGGER SENS INT PULSE 25 V Midrange The following symbols are used on the schematics Screwdriver adjustment Front side or rear panel control or connector Clockwise control rotation in direction of arrow Refer to indicated diagram Connection to circuit board made with pin connector at indicated pin Blue line encloses components located on circuit b...

Page 160: ...B L A N K INC A MP L ll IER T RE TR ACE BLANKIN i FROM Q 2 1 4 R224 510 J j l 1q _t_j_ O lp S Dt J 19v D E C ME MORY GATE RE F E RE NCE 0 SAMPL OR DIAGRAM5 OF F 5E T i _ OUTPUT 5TAC E F A5T RAMP 3 swE E P GE NE RATOR POW E R SUPPLY POWE R DISTRIBUTION 0 1 DJ V GATE M E MORY SEE PA SE MIC0 6S LIST FOR UCTOR TYPE 5 r I PRE _ AMP S N ME _M 1990 UP 0 R y 0 VOL AGES and conditions WAVEFORMS given on Di...

Page 161: ...TOR RETR AC E eLANK ING TO INTE RDOT BLANKING AMP 02 2 40 B c Ir 1oov C 344 47 K o I J C34S 001 I D344 R347 eS 09 K R34B 11 32 K ov RE FE RE NCE DIAGRA MS 0 SAM PLER 0 PRE A 1P ME MORY 0 PULSE GENERA ORS o TRIGGE R 0 SWE E P GE NE RA TOR POWE R SUPPLY PoW R Dl5TRJBUTION SE C P ARTS LI ST F OR SEMICONDUCTOR TYPE E RTICAL OLJTPUT 22 SV l lV l lV 0344 Z l5V R390 2 2k OF FbE T RANGE R39 2 2sv s 3091 i...

Page 162: ...S 0 OF FSET OUTPUT STACoE WTRIGGE R FAST RAMP 0 POWER DISTRIBUTION R424 33 04 2 4 Im A C4 1 7 30 R43Go 75 B rR439 PUL5E 50URC E so n o 2 5V sop IOk 0 2 5V PUL E R OUTPUT DC LEVE L 0 19V 93Sl Q4 54 o 2 19V DE C D4 2 5 IOOmA SEE PARTS LIST FOR SEMICONDUCTOR TYPES DE NOTE S LE ADLE 55 CAPAGITOR i 0 2 V DIV I I i i i 1 rcs OI V J 19V 0 SYNCHRONIZER CONTROL GATE t 19V FROM c 523 3 VOLTAGES and WAVEFORM...

Page 163: ... 2 _ _ 0 1v 5V O IV OV 7 _ O IV SYNGHRONIZ C R 0524 S OrrN DtV r I A8 19V 19V lJSW50IL 04 0 0 i CE NTE R POSITION 19V OF TRIGGE R SE N TYPE 152 SAMPLING UNIT t R515 ISO 19V 19V CURRE NT TO TO D4SS RSI 2K C517 R517 2 K 02 I R618 39 RE FE RE NCE DIAGRAMS OFF S T OUTPUT STAC E 0 PULSE GE NE RATOR FAST RAMP 0 SWE E P GE NE RATOR RE ADOUT SWITCH ING POWE R DISTRIBUTION 0 C 518 02 DS2S IOmA START PULSE ...

Page 164: ... 2 22 22 19V t9V C580 02 C 580 r l3 1 0 1 V DIV i ov J4f ov IV DIV SAMPLE R RAMP TIMING 13i V I 0 1 2 0 1 v P ULS E R COMPARATOR TYPE 152 5AMPL NG UNIT p DI V PUUSE R l AST RAMP VOLTAGES and WAVEFORMS obtained under conditions given on Diagram 5AMPLE R FAST RAM P SE E PA RTS LIST FOR SE MICONOUCTOR IYPE S Q674B r ov 7 V DIV r J I I Jr j it Srn DIV H1 C673 11 F PAR T IAL HORl Z SOARD SLEWC D PULSE ...

Page 165: ...I I 19V TYPE R 709 IO M R 718 ll K MAIJ E XT HORIZ I W E E P STARJ PUL E FRO M QS44 I S2 S AMPLIN G R724 5 1 s 4 D72 4 R ETR ACE BLANKI N G 0734 R734 3 9K 1 9 V DE C R7 35 4 7k H1GH 0 1 7 N ORMAL1 19V I R SOLUTION r SW 750 1qv DEC R757 020k C 750 0 1 0753 C751 02 I N R751 1 2M 19v DE C 1 9V DE c 0 0 Sm DtY I V Sm D IV _ ov R78b 220 C 704 001 _ Kf R787 0725 WC EP 6 A T IN6 TO UNIT VOLTAGES and WAVF...

Page 166: ...______VE RTlC AL AMPLlFIE R 2 I I 6 __ _ __ _ __ Ri 6 Y I R850 LT R8SI 2 T oeso R J ces l l Z 001 _ T QB84 3COV c seeo 0 2 l 4 4 Pl I VOLT L bl on hJ r nn y TYPE 152 SAMPLING UNIT SE E PART UST OR E MICONOLJC TOR TYPES RE l E RENC E D IAG RAM 5 0SAMPLE R OF FSE T OUTPUT STAGE 0 READOUT 5WI T C l INC POWE R DISiRISUTION Q8 07 Reee o 04k Reei 2 0k J GSS9 4µ F TP8B9 Q887 B AR TI 19v 13 oV e POWE _R S...

Page 167: ...5T RAMP POWE R 5UPPLY TYPE_ I 52 5 A M PLING U N IT A S W 58SA r I W 3 1 3 I s I _I G AN RA N G 1 T 1 I G E D W IT H R I S VAR IA BLE 1 0 0 I I F I I I I o4 o 0 0 5 wc 45 I LF I I I l ANO CLO E D ONLY IN CAL P051T IO N r 1M AGN l I E R r 1 I I I LR 3F I I I I I I I I I I I 1 4o 1 k 1 _ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 I r t Iii l l ID ID Ill ro l l I 5 I 0 I 0 I 2 I 0 I 0 I C I MU I I I I I I I ROM...

Page 168: ...J9V DE C p BOARD 350V AA Al 1oov A 13iav 350V L49B 1 19V R797 22 t AA 9V l j_ DE G RS49 R 099 C797 I 22 2 2 0 1 y z 19V Ct099 DE C 10 1 ____ 19V DE C C 549 101 R798 R499 llf A L __ A z Vz r _ _ 19V 2 7 D l T T l DE Cl o1i _ l Vv l _A_JK L____ 19v L____ 19v c6 i6 I C 9 7 i_ I p F 0 7 PULS E R BOARD A 19V TO DISPLAY HOOE OW770 0 l tJ9V 19V TO TRl6GE R IMODE I SW430 0 0 L __ _ _ _ _ _ _ _ __J__ _ _ _...

Page 169: ...FIG 1 FRONT TYPE lS2 SAMPLING UNIT ...

Page 170: ... c FIG 2 FRAME CHASSIS TYPE 15 8 2 SAMPLING UNIT p N ...

Page 171: ...FIG 3 SAMPLER PULSER CIRCUIT BOARDS TYPE 152 SAMPLING UNIT ...

Page 172: ...0 FIG 4 STANDARD ACCESSORIES Serial Model No Eff Disc 2229 Q t y 12345 l ATTENUATOR 50 n 5X 2 ELBOW GR 90 l CABLE assembly RF l TERMINATION 50 n l ATTENUATOR 50 n 2X l CABLE 50 n 5 Nsec l LINE 50 n 20 CM Description l CORD patch 18 inches red l CORD patch 18 inches red BNC to Banana l TERMINATION 50 n short circuit 2 MANUAL instruction not shown TYPE 1S2 SAMPLING UNIT J F t C C en en 0 en J ...

Page 173: ...Since the change information sheets are carried in the manual until all changes are permanently entered some duplication may occur If no such change pages appear following this page your manual is correct as printed SERVICE NOTE Because of the universal parts procurement problem some electrical parts in your instrument may be different from those described in the Replaceable Electrical Parts List ...

Page 174: ... put 60 V Amplitude output 100 V 067 0502 01 PG 506 Does not have chopped feature 0502 01 Comparator output can be alter nately chopped to a reference voltage SG 503 replaces 190 190A 190B SG 503 Amplitude range 5 mV to 5 5 V p p 190B Amplitude range 40 mV to 10 V p p 191 SG 503 Frequency range 250 kHz to 250 MHz 191 Frequency range 350 kHz to 100 MHz 067 0532 01 SG 503 Frequency range 250 kHz to ...

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Tektronix 1S2, Instruction Manual

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