Tektronix FG503 Instruction Manual Download

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Summary of Contents for FG503

Page 1: ...vYti s i w yvue 4r yam 4 xtiY e l l...

Page 2: ...FOR CHANGE INFORMA TION AT THE REAR OF THIS MANUAL THIS MANUAL REPRINTED FEBRUARY 1978 FG 503 FUNCTION GENERATOR INSTRUCTION MANUAL Tektronix Inc P O Box 500 Beaverton Oregon 97005 Serial Number Firs...

Page 3: ...ectrical Characteristics 1 7 Repackaging for Shipment 1 8 SECTION 2 THEORY OF OPERATION Introduction 2 1 Triangle Generator 2 1 Sine Shaper 2 1 Output Amplifier 2 2 Power Supplies 2 2 SECTION 3 SERVIC...

Page 4: ...FG 503...

Page 5: ...er to install a timing capacitor for custom tailoring the frequency range of the FG 503 A voltage controlled frequency VCF input controls the output frequency from an external voltage source The outpu...

Page 6: ...rity observe the following precautions 1 Use good quality 50 S2 coaxial cables and connec tors 2 Make all connections tight and as short as possible The physical and electrical characteristics of the...

Page 7: ...Zz Rz must equal Z R Zz Rz R Z Rz must equal Zz Z Rz Rz Z V For example to match a 50 S2 system to a 125 S2 system Z equals 50 S2 and Zz equals 125 f2 Therefore and z Low Operating Instructions FG 50...

Page 8: ...ncy with the MULTIPLIER and FREQUENCY Hz dials The output frequency is calibrated when the FREQUENCY VERNIER control is in the full clockwise position Connect the load to the OUTPUT connector and adju...

Page 9: ...amplitude Use a fixed do voltage and frequency counter or other comparison method to accurately determine the output frequency and VCF voltage relationship Refer to the test under the heading Respons...

Page 10: ...ration is not changed in the custom position Fig 1 6 Custom timing capacitor location Fig 1 7 Phase relationships between various OUTPUT waveforms and the TRIG OUT waveform TRIG OUT Waveform Squarewav...

Page 11: ...HARACTERISTICS PERFORMANCE CONDITIONS FREQUENCY STABILITY WAVEFORMS DIAL ACCURACY Operating Instructions FG 503 OSCILLOSCOPE 0 1 of full scaleforl houraftera30minutewarmup 0 5 of full scale for 24 hou...

Page 12: ...of the correct carton strength firm that can be contacted Include complete instrument and having inside dimensions of no lessthan six inches serial number and a description of the service required mo...

Page 13: ...drive the ac compensated attenuator R226 R227 and C226 The voltage at pin 2 of U235A rests at about 1 6 V above ground The voltage at pin 6 of U235B is about the same below ground Under these conditio...

Page 14: ...plifier with 0376 serving as a constant current source R375 in the emitter circuitry adjusts for do unbalance in the output amplifier The base of 0380 is connected to the OFFSET control when waveform...

Page 15: ...rrent limiting occurs Q526 limiting in the 20 V supply protects this circuit z reduces conduction reducing the current through the series pass transistor to a safe level CR536 protects the 20 V supply...

Page 16: ...logic Logic symbols depict the logic function performed and may differ from the manufacturer s data The following special symbols are used on the diagrams pI0 circuit k oa c External Screwdriver adjus...

Page 17: ...ive will contact you 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 OOX Part...

Page 18: ...701 56289 SPRAGUE ELECTRIC CO NORTH ADAMS MA 01247 71744 CHICAGO MINIATURE LAMP WORKS 4433 RAVENSWOOD AVE CHICAGO IL 60640 72982 ERIE TECHNOLOGICAL PRODUCTS INC 644 W 12TH ST ERIE PA 16512 73138 BECKM...

Page 19: ...0517 00 CAP FXD ELCTLT 6 SUF 208 35V 56289 196D685X0035KA1 C415 283 0108 00 CAP FXD CER DI 220PF 10 200V 56289 27X13 C420 281 0629 00 CAP FXD CER DI 33PF 5 600V 72982 308 OOOCOG0330J C425 290 0517 00...

Page 20: ...ICON NPN 80009 151 0190 00 Q360 151 0188 00 TRANSISTOR SILICON PNP 01295 2N3906 Q371 151 0190 00 TRANSISTOR SILICON NPN 80009 151 0190 00 Q376 151 0190 00 TRANSISTOR SILICON NPN 80009 151 0190 00 Q380...

Page 21: ...RES FXD CMPSN 750 OHM 5 0 25W 01121 CB7515 RES FXD CMPSN 5 1K OHM 5 0 25W 01121 CB5125 RES FXD CMPSN 510 OHM S O SOW 01121 EB5115 RES FXD CMPSN IK OHM 58 0 25W 01121 081025 RES FXD CMPSN 470 OHM 5 0...

Page 22: ...ES FXD CMPSN IK OHM 58 0 25W 01121 CB1025 8382 315 0102 00 RES FXD CMPSN IK OHM 58 0 25W 01121 CB1025 8384 315 0182 00 8010100 B022971 RES FXD CMPSN I BK OHM 5 0 25W 01121 CB1825 8384 315 0162 00 B022...

Page 23: ...EB1525 RES FXD FILM 3 O1K OHM 18 0 125W 91637 MFF1816G30100F RES FXD FILM 17 4K OHM 1 0 125W 91637 MFF1816G17401F RES FXD FILM aOK OHM 0 1 0 125W 91637 MFF1816C10001B RES FXD CMPSN I 5K OHM 58 O SOW 0...

Page 24: ...UTPUT of the FG 503 through a 50 C2 coaxial cable and a 50 S2 Distortion analyzer or 10 kHz notch filter constructed termination in that order to the vertical input as shown in Fig 3 1 of the oscillos...

Page 25: ...ne R317 Sine and horizontal divisions the FREQ VERNIER control for minimum display amplitude If the distortion analyzer is used adjust for minimum distortion To arrive 8 ADJUST 3 MHz TIMING at the per...

Page 26: ...ONNECTORS Pull to remove plug in FG 503 Illuminated when power is car applied to unit TRIG OUT Connector Square wave output for applications requiring an external trigger Multiply dial reading by MULT...

Page 27: ...r I rjj I I o I N N I W o O I I i 1 2 i i f1 f t Y T T I ii i i a a I I PARTS LOCATION GF SN 8010649 UP 7 _ i i iii i r I d i W r I i DASHED COMPONENTS LOCATED ON BACK SIDE OF BOARD co C277 Q566 c o I...

Page 28: ...e w I r I 1 1 1 1 1 _ _ r t _ vr ii vi l I pC vi r vi N _ m M N Q R123 _ U m M t a C 7I N V N N N W u N UII U U p201 J Q Q355 Q360 t4j U AT103 m l7l _ N o7 O mI N N N 0 C N 7 fL t 7 C 7 N N Q N U G 2...

Page 29: ...g E6 R311t R517 C5 C536 H2 Og40 E5 R313 F2 R519 B5 C539 H2 R315 E3 R520 t C625 D8 R100 L1 R317t R522 C5 C633 E5 R101t R318 E3 R523 C5 R103 J3 R320 E3 R525 B5 CR127 12 R105 t 8321 G4 R526 A6 CR130 13 R...

Page 30: ...tterleadofPNPSeries Pass Transistor oa 33 5 V Common 9 9 33 5 V Common ya TM 500 33 5 V Filtered DC 8 barrier 8 33 5 V Filtered DC ym Collector lead of NPN Series Pass Transistor 7 riot 7 Emitter lead...

Page 31: ...LY QSro Q5 o9 U5lo FG 503 5V SUPPLY VR o00 fl7V SUPPLY Qlo213 Q o40 Ufo28 U c40 5V SUPPLY vR 03 5V 17V 17Y 20V SUMMI N G AMPLIFI ER UlOlg CURRENT SOVRCE 0121R Q U121 Y CURRENT FET swITCN Qid CRI27 CRI...

Page 32: ...ING CAPACITORS HYSTERESIS SW ITCH Q255 Q2G1 U241C D U235 A B REV C SEPT 1974 OFFSET CONTROL FUNCTION SWITCH SINE SHAPER Q320 Q340 BUFFER U241 R Q AMPLITUDE BLOCK DIAGRAM OUTPUT AMPLIFIER Q35S Q400 Q3l...

Page 33: ...N N N o0 d N f J O ca di o N m I I m r s S G I e yr vi y i y vi o jy y y 11 Ir i u _ u w 1 ai vi vi vi vi i n y N N In N 6 628 i V DASHED COMPONENTS LOCATED ON BACK SIDE OF BOARD PARTS LOCATION SN 801...

Page 34: ...t0 a M n M n M M a N w N io a ca ro wN l N1 M M N M M M U VU U V 20 M CY tY N v M a M N R N iN m m M a n n N n U U M N M M Q M 01 _ _ v m W W 7 M I1 h W M r C279 y ten M M I M m M I v1 f f R385 Iy i...

Page 35: ...H2 Q588 C5 R281 H1 Q589 A4 R310 F2 Q828 E8 R311t Q840 E5 R313 F2 R315 E3 R101t R317t R103 J3 R318 E3 R105 t R320 E3 R107 B3 R321 G4 8109 L2 R323 G9 R111 K2 R324 G3 R113 K2 R325 H3 R114 L2 R327 H4 R11...

Page 36: ...RI18 12 Ik R116 R123 IIV RI14 100 RI21 250 RI25 9 71 I 1 33k 33k zov s QI21A U OIA 6 4 y 8 1 2 4558 4 i s QI21B 2 UIOIB 6 4 RIOOK I12RC4558 6 f 20 V 8133 2 7 k VRI31 s 2v RI31 665 20 R q 99K 20V rI7 R...

Page 37: ...la IU235A 8231 L I 1711 12 11 02k T 5I U241 A 79500N C 1 101 MULTIPLIER 10 2 8270 103 10 1 105 OPTIONAL I I I I I TIMINCzCAPACITOR I I C27o I I I I I _ I I I I I I I i o7 F N i i I o y r I I I 1 F I...

Page 38: ...R320 100 CR321 I 392 IR 33k 1324k CR345 CR344 G315 I 757 T I R 43 44Z R 4 R3 04 05 CR391 20V R321 23 1 8341 23 7 R340 i00 ZSCR323 CSCR343 20V R38 6 2 K OFFSET s R385 2k R323 R324 R325 R327 44_2 75 100...

Page 39: ...CJ380 Q371 Rill 8 66 k R375 50 2ov BAl R376 I 2k zov ZOv 300 j 33 Q405 I I Q410 Q400 27 4 to C369 1 5 5 5 SQ COMP 20V I R kl9 300 33 0 20V 369 2 05K Q420 SEE PARTS LIST FOR EARLIER VALUES AND SERIAL N...

Page 40: ...VRa 517 ro zv 8528 IOk R51Z 4 3k MAINFRAME 8A E 33 SV I b6 R5 0 1 2 8519 5 11 k 2ov R52o 2007 Ds528 R5 oh IOK IOk t20V 8511 85210 10 47 J U5t2 R517 3 3k 8522 QJ 23 SZCR5 I SZGR533 Q52 O 8525 2k 1 I R...

Page 41: ...CATED IN MAINFRAME X25 I Rob a oi k U o2b aso 20V CR539 22 F L l l7 ZORG34 RCo31 L5K R633 1 OK Q 40 8567 6 VRto03 5 V 5 a 1 q 0690 sv R a40 I I R bk 5 1 k SEE PARTS LIST FOR EARLIER VALUES AND SERIAL...

Page 42: ...figure and 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 F...

Page 43: ...KY 42718 55210 GETTIG ENG AND MEG COMPANY PO BOX 85 OFF ROUTE 45 SPRING MILLS PA 16875 73743 FISCHER SPECIAL MFG CO 446 MORGAN ST CINCINNATI OH 45206 73803 TEXAS INSTRUMENTS INC METALLURGICAL MATERIA...

Page 44: ...513 01 ATTACHING PARTS 20 213 0254 00 1 SCR TPG THD CTG 2 32 X 0 250 100 DEG FLH 45722 OBD 21 200 0935 00 1 BASE LAMPHOLDER 0 29 OD X 0 19 CASE 80009 200 0935 00 22 378 0602 00 1 LENS LIGHT GREEN 8000...

Page 45: ...00 53 214 1704 01 2 SPRING FLAT CAM SW DETENT 0 008 INCH THK 80009 214 1704 01 54 210 0406 00 4 NUT PLAIN HEX 4 40 X 0 188 INCH BRS 73743 2X12161 402 55 401 0155 00 1 BEARING CAM SW FRONT 80009 401 01...

Page 46: ...7 m wy pl a I _ W Ill I I I I J I Il illllli llllll II _ O O...

Page 47: ...FG 503 J m x v r O v m v...

Page 48: ...Index Tektronix Serial Model No Mfr No Part No Eff Dscont Qry s a s Name Description Code Mfr Part Number 070 1727 00 1 MANUAL TECH INSTRUCTION 80009 070 1727 00 REV B MAR 1876 FG 503...

Page 49: ...ince 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 corr...

Page 50: ...81 TG 501 Marker outputs 5 sec to 1 ns Sine wave available at 5 2 and 1 ns 184 TG 501 Marker outputs 5 sec to 1 ns Sine wave available at 5 2 and 1 ns Trigger output slaved to marker output from 5 sec...

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