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Tektronix

COMMITTED

TO EXCELLENCE

FUNCTION

GENERATOR

501

INSTRUCTION

MANUAL

Содержание FG501

Страница 1: ...Tektronix COMMITTED TO EXCELLENCE FUNCTION GENERATOR FG 501 INSTRUCTION MANUAL...

Страница 2: ...ektronix COMMITTED TO EXCELLENCE FUNCTION GENERATOR FG 501 INSTRUCTION MANUAL Tektronix Inc P O Box 500 Beaverton Oregon 97077 Serial Number______________________ 070 1431 01 First printing August I97...

Страница 3: ...all requests for service or replacement parts to the nearest Tektronix Service Center or Field Office include the type or part number of the product and its serial number Copyright 1972 1978 by Tektr...

Страница 4: ...DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO SECTION 3 ADJUSTMENT 3 1 SECTION 4 MAINTENANCE AND INTERFACING INFORMATION 4 1 SECTI...

Страница 5: ...Fig 1 1 FG 501 Function Generator FG 501 REV B JUL 1978...

Страница 6: ...on and stability FM generation and frequency multiplication or simply used as a variable beat frequency oscillator repetition rate or tone burst generator The square wave trigger output can be used as...

Страница 7: ...ut pulse amplitude will be compressed or in some cases if the voltage exceeds 10 V it may short the output To prevent this from occurring the output must be coupled through a dc blocking capacitor to...

Страница 8: ...7 5 V fully ccw or 7 5 V fully cw When pushed in pro vides zero off set ForSN below B130000 control does not pull out and offset limits are 5 V to 5 V FREQ VERNIER Control Provides vernier selec tion...

Страница 9: ...de diameter of the inner conductor to the inside diameter of the outer conductor Zo 138 log10 D d where D is the inside diameter of the outer conductor and d is the outside diameter of the inner condu...

Страница 10: ...nector and adjust the AMPL control for the desired output amplitude Variable DC Offset Pull outward on the OFFSET control pull switch added at SN B020000 to position the dc level baseline of the outpu...

Страница 11: ...e output frequency sweeps from the frequency set by the MULTIPLIER selector and FREQUENCY Hz dial i e a signal sweeps the frequency upward as shown in Fig 1 7 A a signal sweeps the frequency downward...

Страница 12: ...positions By switching to any one of the HOLD positions the generator can be stopped at its instantaneous voltage level and held there until the MULTIPLIER selector setting is changed Trigger Output A...

Страница 13: ...the desired output frequency range The following procedure describes a technique for determining response characteristics of any frequency sensitive device that operates within the frequency range of...

Страница 14: ...he desired burst width The following procedure describes a technique for obtaining a tone burst or frequency multiplied output from the FG 501 Refer to the Gated Burst Output and Variable Phase and th...

Страница 15: ...specified and which normally re quire verification only after repairs or parts replacement Table 2 1 ELECTRICAL CHARACTERISTICS Characteristic Performance Requirement Supplemental Information Frequen...

Страница 16: ...hin 0 1 for 10 minutes Within 0 25 for 24 hours Hold Mode Stability Within 5 of full output voltage in 1 hour at 25 C on 0 001 Hz range Offset Amplitude Into Open Circuit SN B130000 up or 7 5 V SN bel...

Страница 17: ...easured p p with out put amplitude at 10 V into exter nal 50 Q load Pulse Duration 1_ see Operating Consider 2f ations External Gate Input Input Signal Square wave at least 2 V but not to exceed 15 V...

Страница 18: ...at 1 minute per sweep Vibrate 15 minutes in each of the three major axes at 0 015 total displacement Hold 10 minutes at any major resonance or if none at 55 Hz Total time 75 minutes Shock Operating a...

Страница 19: ...t equip ment characteristics listed are the minimum required to verify the performance of the equipment under test Substitute equipment must meet or exceed the stated requirements All test equipment i...

Страница 20: ...or pins on the power module interface board and the regulating range selected includes the applied line voltage Refer to the installation section of the power module manual 2 Ensure that all test equi...

Страница 21: ...terline g Adjust the test oscilloscope trigger level to display the entire falling portion of the square wave Check that the falltime is approximately 70 ns Readjust C281 if necessary to balance riset...

Страница 22: ...he ground side of the banana to bnc adapter goes to the terminal on the power supply e Adjust the power supply output voltage to change the frequency of the FG 501 as read on the digital counter to 0...

Страница 23: ...ect a bsm to bnc adapter to the FG 501 TRIG OUTPUT Connect a 50 coaxial cable from the adapter to a 600 through signal termination Connect the 600 termination to the oscilloscope vertical input Set os...

Страница 24: ...pulse generator output to a 50 termination at the vertical input of the oscilloscope e Disconnect the pulse generator output cable and termination from the oscilloscope and connect them to the FG 501...

Страница 25: ...FOLLOWING SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY TO AVOID PERSONAL INJURY DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIF...

Страница 26: ...he FG 501 Specifications given for the test equipment are the minimum necessary for accurate adjustment and measurement All test equip ment is assumed to be correctly calibrated and operating within s...

Страница 27: ...cuit board Preparation a Disconnect the power module from the power source Make sure the power module is set for the line voltage to be applied see power module manual for line voltage setting If the...

Страница 28: ...Adjustment FG 501 SN B130000 UP only Fig 3 1 Adjustment and test point locations SN B020000 up 1431 14A Fig 3 2 Adjustment and test point locations below SN B020000 REV C MAR 1979 3 3...

Страница 29: ...ow B130000 set OFFSET to zero a Connect the FG 501 OUTPUT connector through a 50 QQ coaxial cable to a 500 termination at the os cilloscope vertical input connector Check that the display amplitude is...

Страница 30: ...Note Use of an oscilloscope in this step is optional Control Settings FG 501 MULTIPLIER FREQUENCY Hz FUNCTION 103 10 Triangle waveform Counter Function Hold Source Trigger Level 1 Hz Fully ccw Ext 0 a...

Страница 31: ...set OFFSET to zero Table 3 2 FG 501 FRE QUENCY FG 501 MULTI PLIER FRE QUENCY PERCENT DISTOR TION 10 10 100 Hz 0 5 10 103 10 kHz 0 5 10 104 100 kHz 1 0 5 103 5 kHz 0 5 d Set the FREQUENCY Hz dial for...

Страница 32: ...t OFFSET to zero a Connect a 10X probe from the oscilloscope to test point 6 if TP6 is not present use point A the circuit board pad below C77 and right of R251 Connect probe ground clip to chassis gr...

Страница 33: ...a through d for best calibration 13 X1 Symmetry a Set MULTIPLIER to 103 and FUNCTION to Tj square wave Set oscilloscope time base for 10 ms divi sion b ADJUST R45 X 1 Sym so the upper and lower portio...

Страница 34: ...st page of the Diagrams section defines the circuit symbols and reference designators used in the manual Major circuits are usually identifiable by a series of component numbers Important waveforms an...

Страница 35: ...ual regulated supplies according to the circuit diagrams and adjustment procedures Then check the unregualted supplies of the power modules Defective components elsewhere in the instruments can appear...

Страница 36: ...are manufactured forTektronix Inc toour specifications Most of the mechanical parts used in this system have been manufactured by Tektronix Inc Order all special parts directly from the local Tektroni...

Страница 37: ...Loosen the coupling at the potentiometer at the rear of the switch and pull the long shaft out of the switch assembly 3 Remove the screws from the opposite side of the circuit board which hold the ca...

Страница 38: ...ation FG 501 B Plastic Cased Transistors E E FET S Metal Cased Transistors B Power Transistors Integrated Circuits Indexing Integrated Circuits Mounting 1431 20 Fig 4 1 Semiconductor device lead confi...

Страница 39: ...round the instrument with polyethylene sheeting to protect the finish of the instrument Obtain a carton of corrugated cardboard of the correct carton strength and having inside dimensions of nolesstha...

Страница 40: ...s negative which causes nor gate U80D output to go positive Thus pin 9 of lower level com parator U195B goes positive which enables lower level comparator U195B Consequently emitter coupled switch Q85...

Страница 41: ...sume that switch S245 PHASE is closed and a square wave is applied to J215 GATE INPUT During the positive transition of the gating signal the loop generator continues to run since Q80 and Q225 are alr...

Страница 42: ...200 mA sensing resistor R417 in the emitter of series pass transistor Q410turns Q415 on which pulls down the base of Q410 and shuts the 20 V Supply off 20 V Decoupled Supply Voltage follower U420 in...

Страница 43: ...Section 6 FG 501 OPTIONS There are no options for the FG 501 at this time 6 1...

Страница 44: ...lcontactyou concerning any change in part number Change information if any is located at the rear of this manual SPECIAL NOTES AND SYMBOLS X000 Part first added at this serial number 00X Part removed...

Страница 45: ...EREX ELECTRONIC CORP COMPONENT DIV 35 HOFFMAN AVE HAPPAUGE NY 11787 56289 SPRAGUE ELECTRIC CO NORTH ADAMS MA 01247 71450 CTS CORP 1142 W BEARDSLEY AVE ELKHART IN 46514 71744 CHICAGO MINIATURE LAMP WOR...

Страница 46: ...96D104X0050HA1 C190 281 0092 00 CAP VAR CER DI 9 35PF 200V 72982 538 011 D9 35 C191 281 0629 00 B010100 B019999 CAP FXD CER DI 33PF 5 600V 72982 3O8 0OOCOGO330J C191 281 0511 00 B020000 B059999X CAP F...

Страница 47: ...OND DEVICE SILICON 30V 150MA 07910 1N4152 CR170 152 0141 02 XB020000 SEMICOND DEVICE SILICON 30V 150MA 07910 1N4152 CR175 152 0141 02 SEMICOND DEVICE SILICON 30V 150MA 07910 1N4152 CR176 152 0141 02 S...

Страница 48: ...LICON NPN 80009 151 0190 00 Q280 151 0188 00 TRANSISTOR SILICON PNP 80009 151 0188 00 Q285 151 0302 00 TRANSISTOR SILICON NPN 04713 2N2222A Q290 151 0133 00 TRANSISTOR SILICON PNP 80009 151 0133 00 Q2...

Страница 49: ...M 5 11K OHM 1 0 125W 91637 MFF1816G51100F R54 321 0260 00 B100000 RES FXD FILM 4 99K OHM 1 0 125W 91637 MFF1816G49900F R55 321 0775 00 RES FXD FILM 45K OHM 1 0 125W 91637 MFF1816G45001F R56 321 0775 0...

Страница 50: ...0 RES FXD FILM 549 OHM 1 0 125W 91637 MFF1816G549R0F R143 315 0112 00 B010100 B019999 RES FXD CMPSN 1 1K OHM 5 0 25W 01121 CB1125 R143 321 0197 00 B020000 RES FXD FILM 1 1K OHM 1 0 125W 91637 MFF1816G...

Страница 51: ...R196 315 0101 00 B010100 B019999 RES FXD CMPSN 100 OHM 5 0 25W 01121 CB1015 R196 321 0194 00 B020000 RES FXD FILM 1 02K OHM 1 0 125W 91637 MFF1816G10200F R198 301 0511 00 RES FXD CMPSN 510 OHM 5 0 50...

Страница 52: ...D CMPSN 2OK OHM 5 0 25W 01121 CB2035 R279 321 0213 00 B130000 RES FXD FILM 1 62K OHM 1 0 125W 91637 MFF1816G16200F R281 315 0683 00 B010100 B129999 RES FXD CMPSN 68K OHM 5 0 25W 01121 CB6835 R281 321...

Страница 53: ...MFF1816C40000B R465 321 0926 07 RES FXD FILM 4K OHM 0 1 0 125W 91637 MFF1816C40000B R468 315 0101 00 RES FXD CMPSN 100 OHM 5 0 25W 01121 CB1015 R471 315 0101 00 RES FXD CMPSN 100 OHM 5 0 25W 01121 CB...

Страница 54: ...156 0067 00 B010100 B010203 MICROCIRCUIT LI OPERATIONAL AMPLIFIER 80009 156 0067 00 U460 156 0067 06 B010204 MICROCIRCUIT LI OPERATIONAL AMPLIFIER 80009 156 0067 06 U470 156 0067 00 B010100 B010203 MI...

Страница 55: ...ting device heat sink heat radiator etc S T Switch or contactor Transformer AT Attenuator fixed or variable HR Heater TC Thermocouple B Motor HY Hybrid circuit TP Test point BT Battery J Connector sta...

Страница 56: ...6 C294 L5 Q150 G1 R68 K3 R210 E5 R455 D5 C297 K6 QI 70 E1 R69 K3 R211 D3 R461 B3 C400 D1 Q225 L3 R70 K3 R212 E5 R464 B3 C406 C2 Q230 I2 R72 J1 R215 L3 R465 A3 C410 D2 Q240 L3 R73 J2 R216 C3 R468 C4 C4...

Страница 57: ...IMPONENT LOCATION GRID Below SN B020000 See Parts List for serial number ranges t Located on back of board...

Страница 58: ...PARTS LOCATION G R ID BELOW SN B020000 COMPONENT Below SN BOS...

Страница 59: ...FG I...

Страница 60: ...FG 501 BLOCK DIAGRAM BLOCK D IA G R A M...

Страница 61: ...J3 R199 G6 R434 C4 C250 N3 Q120 H5 R61 H2 R204 F6 R441 A6 C251 N5 0125 I5 R62 G2 R205 G6 R442 A5 C255 M3 Q130 I5 R63 G3 R206 F6 R445 B5 C271 J6 Q138 I6 R64 G3 R208 E5 R446 B5 C279 K5 Q150 G2 R65 J3 R2...

Страница 62: ...OCATIONGRID See Parts List for serial number ranges f Located on back of board Alternate location...

Страница 63: ...COMPONENT LOC SN B020000 UP PARTS LOCATION G RID SN B 020000 U P REV G JUN 1978...

Страница 64: ...Waveform conditions FREQUENCY Hz dial Variable MULTIPLIER PHASE OFFSET FUNCTION AMPL 10 Cal 103 in off in off sinewave fully clockwise 0TP7 U195 3 U195 10 GENERATOR U195 13 U195 9...

Страница 65: ......

Страница 66: ...GENERATOR...

Страница 67: ...FQ 501 R 6 V H JUL 1 118 4 BI Ife Output Am...

Страница 68: ...431 I4 Output Amplifier and Switch Details DEH OUTPUT AMPL SWITCH D ETA ILS...

Страница 69: ...8L innr 9 A ra ios J...

Страница 70: ...ULI91a Power Supply O DEM 50 3 POWER SUPPLY...

Страница 71: ...urchased separately unless otherwise specified ITEM NAME 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 i...

Страница 72: ...OFF ROUTE 45 SPRING MILLS PA 16875 73743 FISCHER SPECIAL MFG CO 446 MORGAN ST CINCINNATI OH 45206 74445 HOLO KROME CO 31 BROOK ST WEST HARTFORD CT 06110 74868 BUNKER RAMO CORP THE AMPHENOL RF DIV 33 E...

Страница 73: ...01 213 0153 00 2 SETSCREW 5 40 X 0 125 INCH HEX SOC STL 74445 OBD 10 354 0437 01 B010100 B139209 1 RING KNOB SKIRT 80009 354 0347 01 354 0557 02 B139210 1 RING KNOB SKIRT CLEAR 1 TO 10 80009 354 0557...

Страница 74: ...RING RETAINING FOR 0 25 INCH SHAFT 79136 5103 25 MD R 41 401 0155 00 1 BEARING CAM SW FRONT 80009 401 0155 00 42 214 1704 001 1 SPRING FLAT CAM SW DETENT 0 006 INCH THK 80009 214 1704 00 214 1704 011...

Страница 75: ...LOCKING 0 257 MTG HOLE 78584 OBD 214 0269 00 B010100 B129999X 2 HEAT SINK XSTR 0 312 DIA X 0 75 L 98978 TXD 032 75 214 0693 00 3 HEAT SINK ELEC 0 25 ID X 0 75 INCH LONG 98978 TXD017 075 214 0579 00 XB...

Страница 76: ......

Страница 77: ...79 78 FG 501 FUNCTION GENERATOR FIG 1 EXPLODED...

Страница 78: ...del No Part No Eff Dscont Qty 2 3 4 5 Name Description Mfr Code Mfr Part Number 2 1 012 0127 00 070 1431 01 1 CABLE ASSY RF 18 50 INCHES LONG 1 MANUAL TECH INSTRUCTION 80009 012 0127 00 80009 070 1431...

Страница 79: ...tion 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...

Страница 80: ...Positive and Negative going trigger output signal 50 ns and 1 V High Amplitude output 100 V 0502 01 Comparator output can be alternately chopped to a refer ence voltage SG 503 replaces 190 190A 190B 1...

Страница 81: ...Product FG 501 070 1431 01_______________________________________________________________ CHANGE DESCRIPTION SCHEMATIC CORRECTION DIAGRAM 2 OUTPUT AMPL SWITCH DETAILS Partial Page 2 2 CHANGE TO Offse...

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