Tektronix TR 503 Instruction Manual Download

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Summary of Contents for TR 503

Page 1: ...T ktronoc Tektronix Inc P O Box 500 Beaverton Oregon 97077 Serial Number COMMITTEDTO EXCELLENCE INSTRUCTION MANUAL 070 3526 00 First Printing Aug 1980...

Page 2: ...d Microwave Circuits 3 3 TR 503 LIST OF ILLUSTRATIONS iii Section 3 THEORY OF OPERATION cont OPERATORS SAFETY SUMMARY iv SERVICING SAFETY SUMMARY v Section 4 CALIBRATION Section 5 MAINTENANCE Bias and...

Page 3: ...king 5 3 Replacing the 2 182 GHz Four Cavity Diode Color Code 5 4 Filter Mixer Assembly 5 8 Transistor and Integrated Circuit Remove and Replace the Filter Pin Configuration 5 4 Assembly 5 8 Diode Che...

Page 4: ...ltipin harmonica connector configuration 5 3 5 2 Color code for tantalum capacitors 5 3 5 3 Diode polarity markings 5 4 5 4 Pin configuration for semiconductor components 5 5 5 5 Procedure for separat...

Page 5: ...ly accessible as one reads the marking or a hazard to property including the equipment itself Upon loss of the protective ground connection all accessible conductive parts including knobs and con DANG...

Page 6: ...protective panels soldering or replacing components The mai nframe is intended to operate from a power source Use Care When Servicing With Power On that does not apply more than 250 volts rms between...

Page 7: ...TR 503 Tracking Generator 3526 1...

Page 8: ...cal oscillator mance with the Performance Requirements The outputs of the 492 to generate a frequency that tracks the procedure is arranged in functional blocks to facilitate input of the 492 The TRAC...

Page 9: ...e Information column may not be verified in this manual they are either explanatory notes or performance characteristics for which no limits are specified Frequency Range Output Level Maximum Output A...

Page 10: ...o a 50 O Ioad 20 dB or better with respect to the fundamental ENVIRONMENTAL CHARACTERISTICS Characteristic Table 1 2 Table 1 3 PHYSICAL CHARACTERISTICS Anodized aluminum panel and chassis Front panel...

Page 11: ...cedure in this section If there is a problem contact your local Tektronix Field Office or representative Install the TR 503 by aligning its guide rails with the tracks of mainframe compartment and the...

Page 12: ...eckout Procedure Prepare the TR 503 492 system as follows 1735 2 3526 13 a Insert the TR 503 and frequency counter into a TM 500 mainframe b Using the coaxial cables supplied with the standard accesso...

Page 13: ...to T 1 Check Flatness a Set the 492 Re erence Level to D dBm the Frequen cy to 10D MHz the Span Div to 1 MHz and the Vertical Display to 2 dB Div d Reset the 492 Vertical Display to 1D dB Div O r Freq...

Page 14: ...to Fig 2 2 connect and operate the system as follows a To measure the frequency response of a device under test DUT close the circuit between the spectrum analyzer and the tracking generator by connec...

Page 15: ...2 2 GHz low pass filter attenuating harmonics and upper intermediate frequency of 2 072 GHz This IF is then sidebands from the output mixer a second leveling mixed withthe2ndL0 obtaininga2ndlFat110MHz...

Page 16: ...rect termination for the 3 2 DU T 100 kHzN I L 50 kHz I LO CONTROL MICROCOMPUTER 1 1sT LO Zlvu LO 3ao LO z 572 GHz 2 l8zraHz 100 MHz Ui5T LO OUT U2ND LO OUT UCAL OUT 2 182C Hz TR503 TRACKING GENERATOR...

Page 17: ...ndpass filter The signal then attenuator provides calibrated 1 dB and 10 dB steps of passes through a two diode balanced mixer where it is attenuation for the RF OUT connector mixed with the signal fr...

Page 18: ...n selected by the low 0 resonant circuit tuned by C524 The tal application of negative voltage frequency can be tuned through 55 MHz by varying the voltage bias on the variable capacitance diode CR526...

Page 19: ...the voltage drop across R394 will be enough to turn on the current limiting transistor 0395 This Power Supply Regulators decreases the current through the pass transistor 0390 and limits the current...

Page 20: ...ces and waveform illustrations are The characteristics specified are the minimum required aids to calibrate the instrument and are not intended as forthechecks Equipment that is substituted must meet...

Page 21: ...g procedures require test equipment shown in the table at the beginning of this section They check the output level output flatness auxiliary output level and spurious signal levels Refer to Fig 4 1 f...

Page 22: ...dB control to 0 Disconnect Refer to Fig 4 1 and use connection A the power meter and 492 from the TR 503 Set the 492 Time Div control to AUTO and press Free Run This procedure requires a second spectr...

Page 23: ...ce Instructions section of this manual Before performing a complete calibration clean and inspect the TR 503 following the procedure described in the Maintenance Instructions sections Test Points ADJU...

Page 24: ...height on the 492 crt 2 Adjust the Normalizing Attenuator NOTE This adjustment is only required if the TR 503 does not meet the flatness specification or if the 2 072 GHz Oscillator and Amplitude Con...

Page 25: ...b Remove the 100 MHz Calibrator signal from the492 RF Input Connect the power meter to the TR 503 RF OUTput c Set the TR 503 OUTPUT LEVEL control to 0 dBm and set the VAR dB to 2 Use R225 to adjust t...

Page 26: ...t Sensitive Schottky signal diodes High frequency bipolar transistors Linear microcircuits Low power Schottky TTL Section 5 TR 503 8 Avoid handling components in areas that have a floor or work surfac...

Page 27: ...ed applicator dampened with a solution of mild detergent in water Do not leave detergent on critical memory components Abrasive cleaners should not be used If the circuit board assemblies need cleanin...

Page 28: ...be mounted in a harmonica type holder The terminals in the holder are identified by numbers that appear on the holder and the circuit diagrams Connector orientation to the circuit board is keyed bytr...

Page 29: ...ertain measure the external test current with an ammeter Resistance ratios across base taemitter or base to collector junctions usually run 100 1 or higher The ratio is measured by connecting the mete...

Page 30: ...ted or burned components chafed insulation etc Repair or replace all obvious defects In the case of overheated components try to determine the cause of the overheated condition and correct before appl...

Page 31: ...inch in diameter clamped in a vise to push the pin out of the ferrule after the solder has been heated The pld ferrule can be cleaned by reheating the solder and placing a sharp object such as a toot...

Page 32: ...parating the TR 503 a Place the TR 503 so that the rear side is facing you Turn it on its right side honeycomb assembly facing up Maintenance TR 503 Disconnect coax connector to I F port of Amplitude...

Page 33: ...t decreases 1 Remove and Replace the Filter Assembly a Disconnect the two semi rigid cables and remove the mounting screws b Remove the filter mixer assembly c Remove the mixer assembly and install it...

Page 34: ...TTEN LPF FILTER I t i I 1 I I I i I 110 MHz AMPL LPF i LEVELER 1 V 2 I I I I 1 I 85 135 MHz _________f______________________ ___ PHASE LOCK TR503 TRACKING GENERATOR 2 072 GHZ DETECTOR 1sT LO 2ND LOO O...

Page 35: ...e 100 MHz because the TR 503 card edge is upside down give the signal as a reference tune the Frequency to 110 MHz by extender cable a half twist before plugging it into the tuning the 100 MHz signal...

Page 36: ...m Reassemble the TR 503 Maintenance TR 5n3 k Adjust the four cavities and the mixer coupling for the flattest bandpass response Keep the response centered at the reference frequency as you adjust Be v...

Page 37: ...dentify the assembly in which the part is located CROSS INDEX MFR CODE NUMBER TO MANUFACTURER The Mfr Code Number to Manufacturer index for the Electrical Parts List is located immediately after this...

Page 38: ...LD CAMERA AND INSTRUMENT CORP 464 ELLIS STREET MOUNTAIN VIEW CA 94042 08806 GENERAL ELECTRIC CO MINIATURE LAMP PRODUCTS DEPARTMENT NELA PARK 14433 ITT SEMICONDUCTORS 3301 ELECTRONICS WAY P 0 BOX 3049...

Page 39: ...CAP FXD CER DI 0 47UF 80 20X 100V 72982 8131 M100F474Z A15C232 283 0129 00 CAP FXD CER DI 0 56UF 20 100V 56289 725C7 A15C250 290 0340 00 CAP FXD ELCTLT lOUF lOX 50V 56289 109D106X9050C2 A15C254 283 0...

Page 40: ...E ZENER 0 4W 7 SV 5 04713 SZG35009K2 A15VR262 152 0461 00 SEMICOND DEVICE ZENER 0 4W 6 2V 5 04713 1N821 Tektronix Serial Model No Mfr Component No Part No Eff Dscont Name Description Code Mfr Part Num...

Page 41: ...CK 00779 530153 2 A35A1Q390 151 0364 00 TRANSISTOR SILICON PNP 80009 151 0364 00 A35A1Q395 151 0301 00 TRANSISTOR SILICON PNP 04713 2N2907A A35A1Q410 151 0134 00 TRANSISTOR SILICON PNP 80009 151 0134...

Page 42: ...S 0 25W 01121 CB2435 A35A1R438 315 0434 00 RES FXD CMPSN 430K OHM S 0 25W 01121 CB4345 A35A1R440 315 0471 00 RES FXD CMPSN 470 OHM 5X 0 25W 01121 CB4715 A35A1R442 315 0150 00 RES FXD CMPSN 15 OHM S 0...

Page 43: ...0 TRANSISTOR SILICON NPN SEL FROM 3571TP 01295 SKA6516 A35A2Q510 151 0367 00 TRANSISTOR SILICON NPN SEL FROM 3571TP 01295 SKA6516 A35A2R500 315 0101 00 RES FXD CMPSN 100 OHM 5X 0 25W 01121 CB1015 A35A...

Page 44: ...3CR526 152 0595 00 SEMICOND DEVICE WC SI 12V 120PF 04713 MV 1404 A35A3L526 108 0707 00 COIL RF 150NH 80009 108 0707 00 A35A3R520 315 0102 00 RES FXD CMPSN IK OHM 5X 0 25W 01121 CB1025 A35A3R522 315 01...

Page 45: ...N083X7R0223K CAP FXD CER DI 0 47UF 0 20X 100V 72982 8131 M100F4742 CAP FXD CER DI 0 47UF 80 20 100V 72982 8131 M100F474Z COIL RF 12 5NH 80009 108 0724 00 RES FXD CMPSN 10 OHM 5X 0 25W 01121 CB1005 RES...

Page 46: ...20 311 1298 00 RES VAR NONWIR lOK OHM 20X 0 50W 01121 W 7909 W10 175 1746 00 CA ASSY SP ELEC IF OUT 80009 175 1746 00 W75 175 1720 00 CA ASSY SP ELEC LOWPASS TO ISOLATOR 80009 175 1720 00 W85 175 1713...

Page 47: ...al Etched Circuit Board Outlined in Black Refer to Waveform Function Block Outline IC type Test Voltage Heat Sink Board Name P O Part of circuit board Assembly Number Tektronix Part No for circuit boa...

Page 48: ...BIAS BIAS I LEVELII IG I I ATTENUATOR _I ____ I _ _ _ I 2 2GHZ I I LOW PA4S iFILTER I NORMALIZING I I ATTENUATOR I 2 2GHz I W I ____ LOYJ PA55 12OdB I BAND PA55 I Tca F1LT R MIXER I E I a 2 n dBm f I...

Page 49: ...TTENIUATOR BIgS BIAS BIAS BIAS BIAS LEVELING LOOP BIAS CKT BRD ER JCY R VOLTAGE COUTROLLED CftYSTALOBCILLATOR 55 MNZ A35 A3 SIONAL LEVEL NORMALIZATI OIJ PO NER SUPPLY REGULATORS S 1 V rIS V ISV O V 4...

Page 50: ...NG AD ATTELIUATOR LEVELNG ATTENUATOR 2 2 GHz LO W PASS FILTER NORMALI ZING ATTENUATOR Q _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ LT V AB I FROM LEVELING 1 04C LOOP gIA4 BRD TUNE VOLTAGE _ AA I 2 072 GHz OSWIL...

Page 51: ...fion P200 I BALpDPA55 FILTER ly l a BLY A3Z I IB2 H z FOU2 CAVITY FILTER ASSEMBLY F G W EI OL N d F Q N 0 W a W QW W _ O iJ W KI w d N W Q WW N W 41 j S W A JW W m JW W IJ JSJ IjW dh0 O V7O JA p JGl N...

Page 52: ...55 R254 15V1 R160 R172 R184 R196 R258 R152 8164 R176 R188 R150 R 162 R 174 1 1 I 1 u 5o ulso I I u17o I ulso s R156 R168 R180 8192 R154 R 166 R 178 P170 i 1 B A15 Leveling Loop Bias Ckt Brd P200...

Page 53: ...5 R504 R506 L506 5 1 V R514 R502 K U540 P550 u A35 A2 110 MHz Amplifier A35 A3 55 MHz Oscillator A35 A4 f Detector 3526 57 3526 58 3526 59...

Page 54: ...4 LOK ILOK 5EL I OK rl fISV fISV aISV V DCPL RISb DCPL RIlpe DCPL R IOOK Q RI54 IOOK RI p e TOOK Rlle 8104 1C202 24K r0 47 R20 o 9 I K aIOV 8206 4 02 K R2S4 l VK D 3256 53 R2oo Irlsv ocPL UI O O l 2 l...

Page 55: ...a 2v R2 o2 C21o2 100 G47 LEVELING LOOP AMPLIFIER BIAS CIRCUITRY C210 4J K O O OS 2 92K R212 C212 a SV DCPL UZOO IQZIO G6K 0 47 OCPI E 9 I S AD 741 8210 9 a 4 O R207 2 OK 4 T K ISV R209 CR212 DCPL 820...

Page 56: ...TR 503 d 3526 56...

Page 57: ...C366 A35 A1 Mother Board C364 C422 33 5 V Dcpl U Q420 Q440 P390 P380 P400 1...

Page 58: ...A1 C412 F4 A1 R406 C4 B1 Q390 C5 A1 C420 E1 D2 R408 F3 A1 Q395 CS A1 C422 E1 D2 R410 F3 A1 Q410 F3 A1 C424 F1 E2 R412 F3 A1 Q420 F1 E3 C428 E2 E2 R414 F4 A2 Q430 F2 E2 C432 F3 E2 R420 E1 E2 Q440 F2 E...

Page 59: ...300 C360 470 fl35b 30 R358 7 87 k R 360 7 15K ez R374 I U370 4 LM723HC I P3B4 COM MON G9f69 VR VO 6 _ NEST d7 3 NI 3 8 I 8376 a3 u I CL 10 1 NN 9 99k C374 9 I I R382 R3C0 I 5 1V 1500 5 6 k R494 lsv 5...

Page 60: ...S C 10 x6 8592 CS42 vee o ozz Vcc 3 14 10 0549 I l 0 47 L540 12 6uH D 435 A4 iJDETECTOR 3 R980 15 CP480 9 ILt7 F3 4 j 0 47 8412 zoo Rata IoSc lV Ca1z l 5I m0 97 z 0905 k555 a 7V m Q445 VOLTAGE REGULA...

Page 61: ...index numbers to the illustrations In the Parts List an item Name is separated from the description by a colon Because of space limitations an Item Name may sometimes appear as incomplete For further...

Page 62: ...60607 71785 TRW CINCH CONNECTORS 1501 MORSE AVENUE ELK GROVE VILLAGE IL 60007 73743 FISCHER SPECIAL MFG CO 446 MORGAN ST CINCINNATI OH 45206 73803 TEXAS INSTRUMENTS INC METALLURGICAL MATERIALS DIV 34...

Page 63: ...19 210 0940 00 1 WASHER FLAT 0 25 ID X 0 375 INCH OD STL 73743 2X20317 402 79807 OBD 20 I CABLE ASSY RF ATTEN TO RF OUT SEE W130 EPL 21 015 1025 01 1 TERM COAX 3MM MALE 50 OHM W CH 18203 T186C5 22 366...

Page 64: ...00 1 FRAME SECT CAB BOTTOM LEFT 80009 426 1270 00 63 366 0497 01 1 KNOB GRAY 80009 366 0497 01 213 0153 00 1 SETSCREW S 40 X 0 125 STL BK OXD HEX OOOCY OBD 64 210 0804 00 1 WASHER FLAT 0 17 ID X 0 375...

Page 65: ...L...

Page 66: ...TR 503 TRACKING GENERATOR art T r rt a t r C C C 649 3 S 604 3526 HER...

Page 67: ...Pan Number STANDARD ACCESSORIES 1 012 0649 00 2 CABLE ASSY RF 50 OHM COAX 28 5 INCH LONG 80009 012 0649 00 2 103 0045 00 1 ADAPTER CONN BNC FEMALE TON MALE 91836 KN99 35 3 343 0604 00 1 RETAINER PL I...

Page 68: ...210 0407 00 2 NUT PLAIN HEX 6 32 X 0 25 INCH BRS 73743 3038 0228 402 106 211 0507 00 2 SCREW MACHINE 6 32 X 0 312 INCH PNH STL 83385 OBD 107 210 0801 00 6 WASHER FLAT 0 14 ID X 0 28I OD NP STL 12327 O...

Page 69: ...DY PL EL 4 WIRE BROWN 80009 352 0162 01 140 352 0164 00 2 CONN BODY PL EL 6 WIRE BLACK 80009 352 0164 00 352 0164 01 2 CONK BODY PL EL 6 WIRE BROWN 80009 352 0164 01 141 352 0165 00 2 CONN BODY PL EL...

Page 70: ...Sincethe 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 cor...

Page 71: ...d feature SG 503 Amplitude range 5 mV to 5 5 V p p SG 503 Frequency range 250 kHz to 250 MHz SG 504 Frequency range 245 MHz to 1050 MHz TG 501 Trigger output slaved to marker output from 5 sec through...

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