Tektronix RG 501 Instruction Manual
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Tektronix RG 501 Instruction Manual

Tektronix RG 501 Instruction Manual

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TEKTRCNI»
RAMP
GENERATOR
RG 501
INSTRUCTION
MANUAL
SOO
97077
Tektronix, Inc.
1978
P.O. Box
070-1352-01
Beaverton, Oregon
Serial Number
THIS MANUAL REPRINTED MAY
Fllsl Pflnllng JUL 1972

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  • Page 1 TEKTRCNI» RAMP GENERATOR RG 501 INSTRUCTION MANUAL 97077 Tektronix, Inc. 1978 P.O. Box 070-1352-01 Beaverton, Oregon Serial Number THIS MANUAL REPRINTED MAY Fllsl Pflnllng JUL 1972...
  • Page 2 All TEKTRONIX Instruments are warranted against de'ective materials and workmanship for one year. Any questions with respect to the warranty should be taken up with your TEKTRONIX Field Englneeror representative. All requests 'or repairs and replacement parts should be directed to the TEKTRONIX Field Office or representative In your area.
  • Page 3 RG 501 TABLE OF CONTENTS Pege SECTION OPERATING INSTRUCTIONS SECTION SPECIFICATION AND PERFORMANCE CHECK SECTION ADJUSTMENT SECTION 4 MAINTENANCE SECTION CIRCUIT DESCRIPTION SECTION OPTIONS SECTION ELECTRICAL PARTS LIST SECTION DIAGRAM AND CIRCUIT BOARD ILLUSTRATION SECTION MECHANICAL PARTS LIST A N D EXPLODED VIEW...
  • Page 4 , .. QATEOUT 0" .)IiI RG 501 Gtll(MIO" Fig. 1-1. Ramp Gener.lor Plug-In Module. REV. MAR. RG 501 1978...

  • Page 5: Instrument Description

    AG 501 is designed to operate in ambient The RG 501 has a full set of osciUoscope-- t ype trigger· temperatures between and +50°C. It can be stored In Ing controls providing normal or automatic triggering. temperatures ranging Irom -40"C to+7S"C. After storage slope and level selecUon.
  • Page 6 Opera ling Inslructions-RG POLARITY PlHhbulIOn S.I.CU pOllliv • ..going ramps (bunoo n.,,,i nomps (bunon RAMP DURATION Pushbuttons RAMP AMPLITUDE Conl.ol Varin Implilude Selet;t &i. of •• mp 'lmllft 'Imp from about du •• tion. Calibrlled whim mV at the end 10 MULTI.
  • Page 7 TM Series, the FG 501 Function Generator. The FG 501 frequency can be swept over a 1000:1 range with the RG 501's a to 1 0 V linear ramp. The output of the FG 501 can then used to test...

  • Page 8: Repackaging For Shipment

    PG 501's External Trigger Mode, the fast-rising GATE OUT signal from the RG 501 can provide periods ranging from about 20 J1S (SO kHz) to about 1 0 s (0.1 Hz) at voltage levels sufficient to trigger and reset the...

  • Page 9: Performance Check

    This procedure checks the electrical characteristics of of +20·C to +30·C and operated al an ambient the RG 501 that appear at the beginning of this section. II temperature of o·e to +50·C. the instrument fails to meet the requirements given in this...
  • Page 10 Most of these are available from Thus, only a part of the procedure need be performed If so Tektronix, Inc., and can be ordered through your local desired. However, it Is advisable to perform the complete Tektronix Field Office or representative.

  • Page 11: Performance Check Procedure

    1, Check Ramp Slart DC Level (0 'loll Module manual. within 20 mY) a. Connect a coaxial cable from the RG 501 RAMP OUT connector to the OscilloscopeCH input connector. Ensure thai all test equipment is suitably adapted to the line voltage to be applied.
  • Page 12 Connect a bnc tee connector to the Marker Out e. CHECK-That lor each RAMP DURATION setting on the RG 501, the displayed signal amplitude is no more connector. Connect a coaxial cable to each side of the bnc tee connector, and a 50 0 termination at the end of each than live divisions (50 mV positive ramp).'...
  • Page 13 Swp Mag of!. SLOPE. EXT LEVEL c. Set the Time Mark Generator for 1 markers. OSCILLOSCOPE d. Adjust the RG 501 LEVEL control lor a stable display. Vertical Ampliler Channel l Input Coupling e. Horizontally position the right-mosl displayed time Valls/Diy mark over the center gratlcule line.
  • Page 14 Set the RG 501 triggering to EXT, SLOPE, and Gate Oul Amplitude Checks NORM. Oscilloscope Time/Dlv RAMP DURATION c. Connect a coaxial cable from the RG 501 RAMP OUT connectortothe OscilioscopeCH input connector. .1 5 100 ms 10 ms 1 0 ms d.
  • Page 15 10. Cheek External Trigger Sensilivity (al leasl -1 V) 200 mV de 100 kHz) a. Connect a bnc tee connector to the RG 501 EXT IN a. Set the Oscilloscope CH 1 Volts/Div switch to connector. the Display Mode to CH "...
  • Page 16 Set the Sine Wave Generator Frequency controls to 12. Check Line Triggering c. Adjust the Oscilloscope Level control for a stable a. Set the RG 501 llNE switch In. and the Oscilloscope display. Time/Olv switch to 2 ms. d. Adjust the sine wave attenuation for a four-division b.
  • Page 17 Section 3-RG ADJUSTMENT b. If the RG 501 is to be adjusted without use of the Introduction flexible plug-in extender, remove the Power Module This adjustment procedure is to be used to restore the cabinet cover. RG 501 to original performance specifications. Adjust­...

  • Page 18: Adjustment Procedure

    OUT connector the the Oscilloscope CH Input connec­ tor. ADJUSTMENT PROCEDURE b. Adjust the RG 501 RAMP AMPlITUOE contrOl for appro)(imately eight divisions of display. 1. Check Power Supplies a. Connect the dc voltmeter leads to ground and the 5-volltest point. ReIer to Fig.
  • Page 19 01 the gratlcule. h. Connect one of the terminated coaxial cables to the RG 501 EXT IN connector: connect the other coaxial cable to the CH 2 Input connector. g. CHECK-Ramp ends at live divisions past marker.
  • Page 20 RAMP DURATION 10 ". 10 liS loa ". .1 ms 1 m, .1 ms d. Adjust the RG 501 LEVEL control lor a stable NOTE 10 ms 1 0 ms 10 ms display. .1 , rales. e.g".' s. with theRG SOl and the Oscilloscope e.

  • Page 21: Maintenance

    Section 4-RG 501 MAINTENANCE general corrective maintenance procedures and instruc· Preventive Maintenance lions. There special preventive maintenance procedures that apply to the RG SOl. Refer to the Power Module instruction manual for general preventive Troubleshooting maintenance procedures and instructions. Use the Performance Check, Adjustment Procedure, and Circuit Description as aids to locate trouble in the event of equipment failure.
  • Page 22 Section 5-RG 501 CIRCUIT DESCRIPTION the Power Module, producing a one-volt, line-frequency Introduction trigger signal. This description is broken down into the following parts: Trigger Circuits, Sweep Logic, Miller Integrator. Timing Circuits, Output Amplifier, Gate Output Amplifier. Input Circuit. Emitter-follower 015 is the and Power Supplies.
  • Page 23 Circuit Oescrlptlon-RG >A8 LINE Clrcuil Tr i ggM' lnpul' Trigge r S.lection AUTO Sweep logic,U30 RESET Gaw OuI X1 Ra1ft9 L ..imi,.Circui RAMP 0708, J'\... POLARITY � RAMP 5-1. Ot.gram. FuncUona. Block Fig,...
  • Page 24 Circuit Oescription-RG 501 TABLE 5-1 (cont) Function Current into (logical for �20 ns keeps 1 2 at ground, holding bright 13,Bright Baseline baseline off. Baseline remains off lor one timing period after current level is removed. No input Control (logical 0) allows bright baseline to function (see pin 12).
  • Page 25 +15 V Uloo, Circuit Descripfion-RG AMPLITUDE attenuates the signal to theoutpul. 078, R8J A 1 5 volt zener. VRtoo. establishes a Supply. and CRSO act as a current limit lor the output stage. l8S reference voltage at the non-inverting input 01 reduces any tendency to oscillate with reactive loads.
  • Page 26 Seclion 6-RG 501 OPTIONS (No options are available at this time.)

  • Page 27: Parts Ordering Information

    Section 7-RG REPLACEABLE ELECTRICAL PARTS PARTS ORDERING INFORMATION Replacemefll pari, are available Irom or through yOYf local Tektronix, Inc. Field Office or represenlatlvl. Change, to Tektronix instruments are sometimes made to accommodate Improved components they become available, and give you the benefit the 'Ilell circuli 10<:1'...
  • Page 28 CROSS INDEX-MFR. CODE NUMBER TO MANUFACTURER J.1.LEN-8IWlLEY Mfr. Code Manufacturer Address City. Slate. Zip 00'" 29671 SANCA1«) ELECTJUC co . , S. CAROLlWo P O BOX PICKENS, SC 1201 2ND 53204 01121 STREET HILWAOXEt, COMP MfY SOUTH CLARA. CA 04222 867.
  • Page 29 •• b'e ElectrlC81 P.rt.-RG Replac Tektronix Serial/Model No. Name & Description Code Mlr Part Number Ckt No. Part No. Dscoflt 80009 670-2213-00 670-221l-oo BOI0100 80<11819 1oSSY,MAIN BOARD 80009 670-221l-01 670-22lJ-01 8041820 CItT 1oSSY,MAIN BOARD CAP. ,FXO,CER DI, 100PF,+/-20PF,50OV 72982 lOI-000u2HOlOIH...
  • Page 30 Repleceeble Elecirlcal Pert.-RG Tektronix Serial/Model No. Ckl No. Pari No. Dsconl Name & Description Code Mfr Part Number 80009 151-0103-00 2 82 151-0103-00 TRANSISTOR,SILICON,NPN TRANSlSTOR:SILlCON ,PNP 80009 151-0188-00 151-0188-00 151-0188-00 151-0188-00 TRANSISTOR,SILlCON,PNP 80009 0 92 TRANSISTOR:SILICON,NPN 04713 2N2222A 151-0302-00 0100...
  • Page 31 •• Replec ble Electrlcel Parts-RG 501 .. , Tektronbc Serial/Model No. .. , Ckl No. Pari Name & Description Code Mfr Part Number " RES. ,FXO.CKPSN,loo 0�.5'.0. 25W 01121 CRI015 115-0101-oo 307-0103-00 RES. ,FXD,CKPSN , 2 . 7 OHH,5' , O . 25W...
  • Page 32 Section 8- RG 501 DIAG RAMS Symbols and Reference Designators E lectrical components shown on the diagrams are in the following units unleu noted otherwise: Capacitors · Values one or greater are in picofarads (pF ) . Values leu than one are i n m icrofarads � F ) .
  • Page 33 RG 50 1 � � C R4 N O T E ; C O M P O N E N T S S H O W N W I T H D A S H E D L I N E S A R E L O C AT E D O N B A C K S I D E O F B O A R D .
  • Page 34 T h e voltages a n d wavefo rms s h o w n o n d iag ram 1 were taken w ith n o i n p u t s i g n a l and the RG 501 front panel contro l s set as fol l ows: Voltages ·Waveforms...
  • Page 35 �.", ..+ l !o VOL. T 1r> VOLTS + IS + 15'" R�, 100M. "' 11. 11.0 11.70 501< : :- 1- - - -+- - - -1 +5'1 --"N_., ,,<;� tlli\l CONT 11.", S IO D R.�O 1 k. MILLER I N TEGRA TO R "...
  • Page 36 Replacement parts are available from or through your local relallonships. Following is an example ol lhe indentation system Tektronix. Inc. Field Office or representative. used In the description column, Changes to Tektronix instruments are someUmes made Name Description accommodate Improved components as tney become available. andlor Assembly...
  • Page 37 Replac"ble Mechenlclll P.ns-RG CROSS INDEX-MFR. CODE NUMBER TO MANUFACTURER Mfr. Code City, Slate. Zip Manufacturer Address MFG. AVENUE BERltELEY HEIGHTS , 07922 SNYDER HAR'l'f'ORO, CT 05091 TJU-oROINA'tt CORPORATION HOLO-ICPOME 92642 GROVE, 7100 AVE. GARDEN SPtcTRA-STJUP COlU'. LA."IPSON 08261 WROUGHT MFG. CUMBERLAND, FA 17070 YOUK EXPRESSWAY...
  • Page 38 Replle'ltwe Mechlnicil Plrt,-RG 501 Fig. & Index Tektronix Serial/Model No. Pari No. Oscont Oly l 2 3 4 5 Name & Description Code Mfr Pari Number 337-1399-00 B010100 B029999 SHLD,£LECTRXCAL,SIOE 80009 337-1399-00 337-1399-00 B03OO00 SHLD,£LECTRXCAL ,SIO£ B0009 337-1399-00 337-1399-02 B030000 SHLD,£L£CTRlCAL ,SIO£...
  • Page 39 Fig. & Index Tektronix Serial/Model No. Part No. Oscont Oly l 2 3 4 5 Name & Description Code Mfr Part Number 08261 WIRE,ELECTlUCAL, 2 WIRE RnlBON,2.75 INCHES 175-0825-00 1- 42 08261 WlRE,f:L£CTRJ:CAL,] WlRE RIBBON,6 lNCHES 175-0826-00 80009 426-0724-00 FR SECT,PLUG-IN,BO'1"rOM ..
  • Page 40 RG501 RAMP GENERATOR...
  • Page 41 STANDARD ACCESSORIES & 070-1352-01 MANUAL, INSTRUCTION Index Tektronix Serial/Model No. Nome Descri p tion Code Mfr Port Number Port No. Dscont Rev. C MAY 1976 RG501 RAMP GENERATOR...

  • Page 42: Manual Change I N Fo R Mation

    MANUAL CHANGE I N FO R MATION At TeklrOnil(, we continually strive to keep up with latest electronic developments Sometimes. due 10 printing and shipping requirements, we can', get these by adding circuit and component improvements to our instruments as soon as they are developed and tested.
  • Page 43 CALIBRAT I O N TEST EQU I P MENT R E PLA C E M E NT Calibration Test Equipment Chari ThIs chan compares TM 500 product performance to Ihal of older Tektronix eqUipment Only those characteristics where significant specification diffe ence s occur.

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