Wavetek 180 Page 17 Instruction Manual Download | Manualshive

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Summary of Contents for 180

Page 1: ...EEP FUNCTION GENERATORS SWeEP FUMCTiONGf NLRATOR 180 St F P A E on OFFSET FREQMULT Hij S EEPWIOTH I smi c PUISEOUT iTTt m m SWEEP FUNCTION GENERATOR MODtc jeotF SWeiPRATE DC OFFSET FRtQMUtT iH l SWEEP...

Page 2: ...defective as a result of misuse improper repair or abnormal conditions or operations repairs will be billed at cost Wavetek assumes no responsibility for its product being used in a hazardous or dange...

Page 3: ...INSTRUCTION MANUAL MODELS 180 AND 180 LF SWEEP FUNCTION GENERATORS VETEK Box 651 San Diego Calif 714 279 2200 3 77...

Page 4: ...Operation 3 2 3 Voltage Controlled Operation 3 2 4 Sweep Generator Operation SECTION 4 CIRCUIT DESCRIPTION 4 1 VOLTAGE CONTROLLED GENERATOR VCG 4 2 FREQUENCY CONTROL 4 3 WAVEFORM OUTPUT 4 4 SWEEP CIRC...

Page 5: ...20 Hz X100 0 2 Hz to 200 Hz X IK 2 Hz to 2 kHz XIOK 20 Hz to 20 kHz X 100K 200 Hz to 200 kHz X 1M 2 kHz to 2 MHz Model 180LF X I 0 01 Hz to 0 2 Hz X I 0 01 Hz to 2 Hz X 10 0 02 Hz to 20 Hz X100 0 2 H...

Page 6: ...metry Models 180 and 180LF as applicable 1 on all but X 1M range 1 2 4 Vertical Precision Amplitude Change With Frequency Sine Models 180 and 180LF as applicable Less than 0 1 dB on all ranges thru X...

Page 7: ...ure figure 2 1 Preset the generator front panel controls as follows Control Position FREQMULT PWR OFF Frequency Dial l Q Function AMPLITUDE Full clockwise DC OFFSET OFF SWEEPWIDTH OFF SWEEP RATE 9 o c...

Page 8: ...applicable Frequency increases by a decade for every change of switch position 3 FREQ MULT X IK 4 Function Triangle wave 5 Function b Square wave 6 AMPLITUDE ccw Decrease in waveform amplitude 7 DC O...

Page 9: ...Connector Voltage controlled generator input VCG IN dc excursions proportionally control frequency within a selected range Positive inputs increasefrequencies set by the frequency dial and range cont...

Page 10: ...ulse is shown in figure 3 2 3 1 4 Sweep Controls SWEEP WIDTH OFF Main output at 5012 OUT HI or LO frequency sweep is turned on when SWEEP WIDTH is rotated past OFF Rotation of the control varies the p...

Page 11: ...ET 5V n EXCESSIVE POSITIVE OFFSET OR LOADING EXCESSIVE NEGATIVE OFFSET OR LOADING Figure 3 5 DC OFFSET Control 3 2 3 Voltage Controlled Operation Operation as a voltage controlled function generator V...

Page 12: ...epetitively swept from the set frequency to a higher fre quency Actually an internally generated positive going voltage ramp available at the SWEEP OUT connector can be modified in amplitude and used...

Page 13: ...limit points 1 25V and 1 25V See figure 4 2 During the time the output voltage of the triangle buffer amplifier is increasing the output voltage of the hysteresis switch is positive but when the outp...

Page 14: ...sine converter which uses a diode resistor network with linear sections to shape a sine wave The sine triangle or square waveform is fed to the summing amplifier through the waveform selector switch T...

Page 15: ...ary per table 5 1 If performing partial calibration check previous settings and adjustments for applicability 1 Unless otherwise noted all measurements made at the 50n OUT connector should be terminat...

Page 16: ...Horizontal symmetry Scope X 10 on R47 Maximum sym metry Alternately switch scope triggering from positive to negative slope while adjusting R47 6 Dial 0 1 FREQMULTX 10 Scope sweep O ls div DC trigger...

Page 17: ...defective 4 A transistor is defective if its base current is larger than 10 of its emitter current calculate currents from voltage across the base and emitter series resistors In a transistor differen...

Page 18: ...R20 22 APPROX 1V AT R119 WIPER WITH AMPLITUDE CW PPRO GO TO GENERATOR LOOP CHECK CHECK SW2 A B IC10CKT REMOVE R120 APPROX 1V SET WAVEFORM TO L CHECK CR20 23 SW2 A B AT JUNCTION CR21 23 OK CHECK CR20 2...

Page 19: ...O SHIFT AT PIN 3IC4 ES ROTATE DIAL APPROX 15V TO lOV SHIFT AT PINS7 4 2 15V TO 10V SHIFT AT PINS 10 13 IC5 ES 2 Vdc ATJUNCTION 1 25 Vdc AT JUNCTION CR11 CR13 PROBLEM IN IC4 CIRCUIT PNP AT PINS ICS OK...

Page 20: ...dc REGULATOR IS ASSUMED TO BE DEFECTIVE YES NO 15 Vdc REGULATOR IS ASSUMED TO BE IN CURRENT LIMIT MODE R1 03 OK 15 Vdc REGULATOR IS ASSUMED TO BE DEFECTIVE YES YES R13 07 OK YES 05 8 iC2 CKT OK YES 24...

Page 21: ...EDING OVERRANGE LIMIT 50 l YES ILLEGAL OPERATION O CHECK R34 SW3 VCG VCG IN DOES NOT CHANGE FREQUENCYj SUM OF DIAL VCG IN SWEEP EXCEEDING OVERRANGE LIMIT 50 NO CHECK E12 13 WIRING ILLEGAL OPERATION GC...

Page 22: ...4 TRANSrH PR 2N390 QTYi2i4901 03 90SO 1S2 S01 102 HVTK 499S 00 001S 1 NONE HAFER 147 400 HVTK 5104 02 0015 NONE DETENT HOD FROHI5104 01 0009 180 313 HVTK 5104 99 0024 1 NONE DETENT MOD FROM 5104 01 00...

Page 23: ...02 1050 1 2152 2159 1 2213 1 2373 Vv kVETEK RRRTS LIST ASSEMBLY NO 1100 00 0121 DO NOT SCALE DWG VA etek MMM liD 180LF 00 06 0 Z SHEET OF THIS DOCUMENT CONTAINS FROPRIETARY INFOR MATION AND DESIGN RIG...

Page 24: ...fcH LUG M97 3N1TM 3100 04 0012 b IIUNE SlU KNUb Ntt 7 1 SD n KUGAN 2400 01 0006 VvXvETHK RWnS LIST TITLE STO CHASaiS i MBLY NO llUt Ou UUbb PAGbl 1 REV HbFbHtNLb DEaXGNATOKS PAKT DEaCHlPTXUN UHI6 HFGH...

Page 25: ...FD777 ZgXL CRIli 75 FF 140 hz FF 57oSV R47 1 0IK ISV r IC 3W UEIj CUKREKIT SOURCE X V MOOK AlOK X 1 K XlOO XIO UOFF l SM rxca b 4v T 7 15V 4A 1K O evj VC BUPFEZ AMPLIFIED ADT 5V 44 4 K V ifto lai ouuv...

Page 26: ...into each Wavetek instrument as quickly as development and testing permit Because of the time needed to compose and print instruction manuals it is not always possible to include the most recent chang...

Page 27: ...r D n m n I m m m m m m Si R Op Q o a s IP o D o ri fnmm nir f i P r ri fn fTi fTi rJnr O rv N UJ OB YY Sroo n zzS mOO isS i 311 3 csisl Z mO O H O Z S S5kS S S5j SS hJ K 8 05 Oj 03 U h o m m y 2 1 51...

Page 28: ...TD CHA 5 b 2 MOtiEL 80 I80 IIOI O0 0046 THIS DOCUMENT CONTAINS PROPRIETARY INFOR MATION AND DESIGN RIGHTS BELONOINQ TO WAVETEK AND MAY NOT BE REPRODUCED FOR AMY REASON EXCEPT CALIBRATION OPERATION AMD...

Page 29: ...BATION AND MAINTENANCE WITHOUT WRITTEN AUTHORIZATION DETPl L b r t j I j i f I 30 l lBI OKiLI i eoi iir Hi 0 M 0 if if if see tie TA v_ c IS S OINJLY NOTE UNLESS OTHERWISE SPECIflE T P NiDT SHOViJN AP...

Page 30: ...I4901 03 9030 162 503 102 hVTK 4996 00 0015 1 135 hAFER 147 400 hVTK 5104 02 0015 NONE DETENT MOD FROMI5104 01 0009 180 313 HVTK 5104 99 0024 1 NONE DETENT HOD FROMt5104 01 0009 160 31 hVTK S104 99 00...

Page 31: ...TPUT AMPL VCG IN OFF 1 O LO 15V SWEEP GENERATOR DC OFFSET 5V 15V 15V SWP INTEG SWEEP RATE 15V SWEEP WIDTH OFF Figure 4 1 Simplified Block Diagram L 4 0 PEAK DETECTOR ZERO DETECTOR GCV AMPLIFIER NEGATI...

Page 32: ...N550 OOIF TNR 4701 03 1001 10 VviWETEK RARTSUST TITLE MAIN ASSEMBLY NO UOU 00 O120 PAGE I REV E R5 R71 R72 R86 R91 VAvetek MRTS LIST TITLE MAIN ASSEMBLY NO 1100 00 0120 PAGE 3 REV E REFERENCE DESIGNAT...

Page 33: ...ROM FRONT VIEW IM FULL CODNTEE CLOCKWISE POSIT ION 5WZA NtiN G AMH IPIER KipAl 23 23 EU PIXED STOP 1 TPS Gli eK s SIO 131 X Gg3 0 IC4 R43 n ADDED STOP A OTt foiz s ucsc esAj y6 r g cc 3l AX j eAjccQ T...

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