Boonton 92BD Instruction Manual Download Page 7

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Summary of Contents for 92BD

Page 1: ...BOONTON INSTRUCTION MANUAL MODEL 928D PROGRAMMABLE RF MILLIVOLTMETER b 877 ...

Page 2: ...b 877 INSTRUCTION MANUAL MODEL 928D PROGRAMMABLE RF MILLIVOLTMETER b 877 TEL 201 887 5110 TWX 710 986 8241 ROUTE 287 AT SMITH ROAD PARSIPPANY N J 07054 USA ...

Page 3: ...Indicators 3 2 OPERATING PROCEDURES 3 2 1 Initial Operating Procedure 3 3 OPERATING NOTES 3 3 1 Overload Limits 3 3 2 Connection for Measurements Below 100 MHz 3 3 3 Connection for Measurements Above 100 MHz 3 3 4 Low Level Measurement 3 3 5 Over Under Range Indication 3 3 6 Making the Zero Adjustment 3 3 7 Signal Overload on 1 mV Range 3 3 8 Temperature Effects 3 3 9 Hum Noise and Spurious Pickup...

Page 4: ...trol 4 0106 Analog Digital Converter 4o1 7 Chopper Driver Circuits 4o 1o8 Power Supply 4o1o9 Programming V MAINTENANCE 5 1 PERIODIC CALIBRATION 5 2 PRECAUTIONS WHEN CHECKING CALIBRATION 5o3 CALIBRATION CHECK 5 4 CALIBRATION PROCEDURE 5 5 TROUBLESHOOTING PROCEDURE 5 5 1 Cover Removal 92BD b 877 5 5 2 Chopper Replacement 5 5 3 Voltage and Resistance Tests 5 5 4 Test Points 5 5 5 Replacement of RF Pr...

Page 5: ...r Display Board 92 8A 92 9A 830581 Sheet 830581 Sheet 830456 Sheet 830483 830581 Sheet 830546 Sheet 830546 Sheet 830546 Sheet 830650 830900 CHARTS AND DRAWINGS FIGURE of 3 of 3 of 2 of of 3 of 2 of 3 3 3 3 3 3 3 Input Resistance of RF Probe as a Function of Input Level and Frequency 2 Input Capacitance vs Input Level of Model 91 12F Probe Measured at 10 MHz 3 Typical VSWR of Model 91 12F RF Probe ...

Page 6: ...er correction curve 8B Model 91 14A Type N Tee Adapter Correction Curve 9 Model 92BD Block Diagram 10 Frequency Response Test Setup 11 Swept Frequency Response Test Setup 12 Calibration Instructions 13 External Connections TABLE NO Required Accessories Crest Factors TABLES 2 3 4 Model 92 Series Controls and Indicators Connection Recommendations TABLE OF REPLACEABLE PARTS 92BD b 877 iv using PAGE 1...

Page 7: ...ded at a rear connector permitting the 92BD to be integrated in systems for driving printers tape or card punches data control units and simi lar interfacing data equipment As part of a system the 92BD is also programmed and controlled externally as needed A linear de output whose level is proportional to the rf input voltage is also provided at a rear connector This may be used to drive a recorde...

Page 8: ...tance low input capacitance Overload protection to 400 Vdc 10 Vac VSWR less than 1 15 up to 1 2 GHz To 300 V up to 700 MHz with accessory 100 1 divider To 3 V up to 700 MHz with accessory 100 1 divider The characteristics of the instrument include high reliability fast warm up 1 minute long intervals between calibrations plug in PC boards for ease in servicing light weight and other advantages of ...

Page 9: ... 5 dB A Model 91 8B 50 ohm BNC Adapter is supplied as a standard accessory with the instrument for 50 ohm voltage measurements up to 600 MHz A correction curve Figure SA is included for fre quencies above 50 MHz For higher frequency measurements and for through line voltage measure ments the optional accessory Model 91 14A Tee Adapter is recommended It is designed to compen sate for the rf probe c...

Page 10: ...lection on any range Amplification takes place at 94 Hz reducing susceptibility to any 50 or 60 Hz line frequency related fields A unique circuit reduces the low level noise originating from the mechanical chopper and renders the instrument immune to changes in chopper performance that could occur with the passage of time 1 2 5 Minimal Zero Adjustment Zero adjustment is not required on the upper f...

Page 11: ...0 mV 60 to 23 dBm 63 dBm up to 700 MHz with option accessory Model 91 7C 100 1 Voltage Divider 10 kHz to 1 2 GHz uncalibrated response to approximately 8 GHz 1 mV to 3 V 1 2 10 kHz rdg rdg 50 kHz 1 1 rdg fs plus 150 MHz 3 rdg Below mV add 1 fs 700 MHz 10 7 rdg rdg 1 2 GHz LED 4 digits f s counts of 3000 and 1000 Full 4 digit display with dB option 0 01 dB resolution Blanked at 5 over and below 20 ...

Page 12: ...igures 1 and 2 Less than 1 20 to 1 2 GHz Return Loss greater than 21 dB See Figures 3 and 4 200 pW minimum detectable power in 50 ohms 1 2 4 8 BCD data serial by digits 1 2 4 range information Overrange underrange encode complete Logic 0 0 7 V logic 1 2 4 to 5 25 v Logic level inputs select input ranges mV dBm and autoranges with options encode hold encode trigger manual disable TTL compatible Log...

Page 13: ...el 91 14A 50 Q Tee Adapter Type N Tee Connector with Model 91 15A Termination see below permits connecting into 50 ohm line required for measurements above approximately 100 MHz for VSWR see curve of Figure 4 Model 91 15A 50 Q Termination Type N 50 ohm termination for use with Model 91 14A Tee Connector Model 91 18A Storage Case Case for protecting and storing Model 928 accessories Model 91 4C Spe...

Page 14: ...essories listed below are required for the indicated ranges of operation Table 1 Required Accessories MEASURING RANGE REQUIRED ACCESSORY REMARKS 100 MHz to 600 MHz Model 91 BB 50 n Adapter for Supplied as standard equipment shielded connection to 50 ohm with the Model 92 Series line other impedances avail able on request Above 600 MHz Model 91 14A Tee Connector Available separately and 91 15A 50 n...

Page 15: ... Maximum permissible ratio of peak to rms value of voltage IOM I T T 7 777 830363 INPUT RESISTANCE OF BEC RF PROBES 5M ZM 3V IM J i r IV 0 lo _ w 500K z en 300mV r _ 1000 21 to 4 2 r w a I ZOOK IOOmV f Q IOOK f 30mV IOmV i lmV _r I 50K I I 20K IOK 3000 7 to 1 4 I T f I l I 5K 01 0 2 0 5 5 10 20 50 100 200 92BD b 877 FREQUENCY MHz Figure 1 Input Resistance of RF Probe as a Function of Input Level a...

Page 16: ...81 1 2 r 1 1 l LL_J MHz Figure 3 Typical VSWR of Model 91 12F RF Probe with Model 92 SB 50 Q Adapter a I 1 2 1 1 r o 830352 VIII I II 1 4 100 I I 1 II I Ill 200 I l tlo N0IIIINAL 300 r o 4 II I 400 MHz I W IL 711 I r 1 111 1711 rw 1 1 l i t l172 500 700 1000 Figure 4 Typical VSWR of Model 91 12F RF Probe with Model 91 14A Type N Tee Adapter and Model 91 15A 50 n Termination 92BD b 877 10 ...

Page 17: ...ns on the instrument power and if the instrument is the 92BD 09 option selects either mV or dBm readout These range pushbuttons 1 3 10 30 100 300 1000 and 3000 mV and SO 40 30 20 10 o 10 and 20 dBm select the operating range The AUTO pushbutton for the 92BD 01 option switches the instrument to the automatic ranging mode LED 4 digits f s counts of 3000 and 1000 Full 4 digit display with dB option 0...

Page 18: ...been adopted by the International Electro technical Commission Document 66 Central Office 3 Paragraph 5 3 which directs that an instrument be so labeled if for the correct use of the instrument it is necessary to refer to the instruction manual In this case it is recommended that reference be made to the instruction manual when connecting the instrument to the proper power source Verify that the r...

Page 19: ...the Model 92BD is overload protected to 10 volts ac and to 400 volts de EXCEEDING THESE LIMITS MAY RESULT IN PERMANENT DAMAGE TO THE PROBE The Model 92 8B SO ohm Adapter should not be subjected to continuous overload of more than 10 volts de rms ac to avoid excessive heating of the terminating resistor Where voltages above these limits are likely to be encountered the Model 91 7C 100 1 Voltage Div...

Page 20: ... is to be used on the 1 mv range the following zero adjustment procedure should be followed a Set the FULL SCALE range selector to the 1 mV position b Be sure that no voltage is applied to the probe and that it is adequately shielded from local fields This can be done by partially unscrewing the probe cap until the tip just breaks contact with the internal connector leaving the metal shell engaged...

Page 21: ...830351 Figure 5 Method for making low inductance connections to test signal point directly using the RF probe 92B0 b 877 I RF PROBE 830354 Figure 6 Assembly of Model 91 14A Type N Tee Adapter 15 ...

Page 22: ...ubsequent measurement should be made It should be noted however that such overloads cause no damage to the equipment as long as they are within the limits outlined in Paragraph 3 3 1 3 3 8 Temperature Effects The accuracy specifications for the Model 92BD apply over temperatures from 50 F to 104 F Outside of these limits operation of the equipment is possible but appreciable inaccuracies can be ex...

Page 23: ...ve with respect to the instrument ground the negative de output terminal being at ground potential Output resistance is 9 kn 3 5 LOW FREQUENCY MEASUREMENTS The Model 91 12F RF Probe supplied with the Model 92BD provides measurements within the specified accuracy from 10 kHz to 1 2 GHz For measurements at lower frequencies the Model 91 4C Probe is available It operates over a frequency range from 1...

Page 24: ... 0 IOmV ONLY J I 1 0 0 I IOOOmV 0 5 IOOmV 0 0 0 5 1 0 1 5 2 0 METER READING 830497 l ll 92 6 5 IJ I 38 30mV C I 4 J 0 J 3 I 0 ct 2 3000mV I 300mV 0 0 0 5 1 0 1 5 2 0 RECORDER OUTPUT V Figure 7 Down Scale Correction Curves Recorder Output 18 ...

Page 25: ...ion Curve Add to indicated readings 3 m 2 Cl Cl o I J log 0 300 CORRECTION FOR INSERTION LOSS IBOONTONIIII IH T l qt11 9l 14A 500 700 1000 1500 2000 FREQUENCY MHz Figure 8B Model 91 14A Type N Tee Adapter Correction Curve Input voltage to tee adapter is indicated by voltmeter Subtract the correction from the indicated value in dB to obtain output voltage of tee 92BD b 877 19 ...

Page 26: ...IFIER r 1 dBm CONVERTER OPTION I DIGITAL CONTROL L 0000 DIGITAL DISPLAY A D CONVERTER Figure 9 Model 92BD Block Diagram The RF Probe embodies a full wave diode detector which rectifies the signal under study to a de voltage whose level is a function of the input level While operating in the square law region below approximately 30 millivolts the detector provides true rms response As the input lev...

Page 27: ... 1 GAIN RANGE ATTN 2nd AMP 1 1 1000 3 1 100 10 1 10 30 1 1 100 0 15 1 300 0 04 1 1000 0 01 1 3000 0 004 1 The preamplifier has a constant gain of X100 and is designed for very low input noise Both amplifiers have wide bandwidths and are stabilized by large amounts of negative feedback 4 1 3 Synchronous Detector The amplified ac signal from the second amplifier is converted to de by the synchronous...

Page 28: ... of 20 or 6 3 depending upon which range group has been selected It extracts information for the control of range decimal point position over or under range readings polarity indicator and identifi cation mV or dBm On the 92BD 09 Option Instrument this section also contains the additional circuitry to convert the incoming voltage information into dBm values The processed analog incoming voltage is...

Page 29: ...n V MAINTENANCE 5 1 PERIODIC CALIBRATION The Model 92BD is designed to provide trouble free operation over extended periods of time However as with any precision instrument the instrument should be checked periodically to verify proper calibration To make such calibration checks the Boonton Model 26A RF Millivolt meter Calibrator provides the correct signal levels required to calibrate full scale ...

Page 30: ...RE A calibration outline is provided inside the top cover of the instrument see Figure 12 The adjustment references listed below are the same as those recorded on the top cover Adjustment No 1 Measure the 15 0 V supply voltage at the 15 V Test Point located on the Main Amplifier board at C119o Adjust R143 to 15 0 0o1 V Adjustment No 2 Measure the 15 0 V supply voltage at the 15 V Test Point locate...

Page 31: ... mV and adjust R308 for a reading of 3 000 mv Adjustment No 12 Set the FULL SCALE range selector to the 10 mV range zero as in Adjustment No 4 Apply an input of 10 00 mV and adjust R318 for a reading of 10 00 mv Adjustment No 13 Set the FULL SCALE range selector to the 30 mV range and apply an input of 30 00 mV adjust R328 for a reading of 30 00 mV Adjustment No 14 Set the FULL SCALE range selecto...

Page 32: ...ply 70071 Vdc 0 1 at the junction of R636 and R643 schematic 830581 Set the OFF mV dBm switch to dBm Depress the 3000 mV button of the FULL SCALE range selec tor and adjust R614 schematic 830581 for a display of 20 00 dBm Depress the 1 mV dBm button of the FULL SCALE range selector and adjust R626 for a display of 50 00 dBm Repeat these steps to adjust for a 70 dB difference between 20 and 50 dBm ...

Page 33: ...tage de voltage and resistance Once the trouble has been found and corrected the calibration must be rechecked and readjusted as outlined in Paragraphs 5 3 and 5 4 5 5 4 Test Points Test points waveforms and related test voltages are shown in the Model 92BD schematics 5 5 5 Replacement of RF Probes The serial number of the Model 92BD matches that of the Model 91 12F RF Probe with which it was cali...

Page 34: ...be set to the desired value b Move the carriage of the slotted line to a point of minimum voltage then to a point of maximum voltage and record the values c The VSWR is the ratio of the maximum and minimum voltages The measurement can be repeated at other frequencies and levels as required B Frequency Response The most accurate method of measuring the frequency response of the RF Probe for the RF ...

Page 35: ...orts of the power divider and repeat Step Co ea The correct voltmeter reading is obtained at each frequency by averaging the two readingso This virtually eliminates the influence of frequency differences of the two ports of the power dividero fo Further refinements can be made by filtering the output of the generator and measuring the complex reflection coefficients of the power meter rf millivolt...

Page 36: ...el Model 1870A ea Standard 1a2 1 Mismatch Termination Weinschel Model M1410 1 0 2 2c Test Procedure a Connect the equipment as shown in Figure 11 and temporarily connect the probe under test to the RF Millivoltmetera Adjust the output control of the sweep generator for a reading on the 92BD of 100 mV at a fixed frequency of 100 MHza ba Calibrate one of the vertical input amplifiers of the oscillos...

Page 37: ...l 26A RF Millivoltmeter Calibrator is availableo The probe should be temporarily connected to the output of the calibrator while output levels of 100 mV and 90 mV are alternately selected and the sensitivity of the second input amplifier is adjusted for a deflection of one divisiono c Substitute the Standard 1o2 1 Mismatch Termination for the accessory under test and calibrate the graticule of the...

Page 38: ...equency bands as determined with a calibrated signal of say 1 MHz and at levels above and below the selected test level It is important to note that the recovered de from the rf probe which is applied to the second vertical amplifier will vary as the square of the rf input level for test levels of 30 mV or less Above 30 mV the rf to de conversion gradually changes from square law to linear and app...

Page 39: ...mV 3000 mV 9 487V AT RECORDER TERMINALS DC VOLTMETER INPUT 10 MEGOHMS 3 DIVIDER 3000 mV 3000 mV I SOOY AT PIN II OF IC606 DPM FS ADJ 3000 mV 3000mV 3000mV IND IC AT 10 N RANGE ADJ I mV lmV 1 000 mV INDICATION RANGE ADJ 3 mV 3mV 3 000mV INDICATION RANGE ADJ 10 mV 10 mV 10 00 mV INDICATION RANGE ADJ 30 mV 30 mV 30 00mV INDICATION RANGE ADJ 100 mV 100 mV 100 0 mV INDICATION RANGE ADJ 300 mV 300 mV 30...

Page 40: ... must be deselected for either 11 300 mV II manual or auto rangingo 10 1 V II 9 3 V II X Encode hold Holds display V Encode Starts encode cycle trigger Assumes that Man Disable has also be selected 6 1a1 Input Characteristics 92BD b 887 TTL Logic Voltage Current per Series Level Level Unit Load 0 0o7 V 1 6 rnA Standard Power 54 74 1 2o4 to 5 25 V 40 µA The 11 11 current indicates current out of th...

Page 41: ...on mV Mode DC Analog Overrange Comment Indicates voltage display 10 V for full scale of 1 ranges 9 5 V on 3 ranges Indicates that instrument range should be increased 20 Und Range Indicates that instrument range should be 2 w 17 18 19 F E D C 92BD b 877 dBm Encode Complete 4 2 8 4 2 1 range code BCD enc data decreased Indicates that dBm is below refo level Indicates completion of encode cycle data...

Page 42: ...istics TTL Logic Voltage Current per Series Level Level Unit Load 0 s 0o7 V 106 mA Standard Power 54 74 1 2o4 to 5o25 V 40 µA The current indicates current sourced by output 6 2 2 Analog Output Source resistance is 9 k 6 3 WAVEFORMS 60301 Encode Trigger I t mm 100 ms j 7 1 _1_ _j 1 tmm 0 5 T IGGER I I l tmm 0 5J lS 67 __ 92BD b 877 830637 ENCODE COMPLETE 36 54 74 Unit Load 1 1 1 1 ...

Page 43: ...Y CHANGE AT II ENCODE COMPLETE II READ OR PRINT COMMAND I SHOULD BE DELAYED 2 ms I I I n1I n n I I n n I n I n I n n I I I OLD DATA VALID NEW DATA VALID 92B0 b 877 ENCODE COMPLETE I TRIGGER 0 __I t 75 ms J 125 ms 75 ms ENCOD NEXT ENCODE I INTERVAL ENCODE COMPLETE INTERVAL I I NOTE BCD DATA INDICATED 11 1048 11 37 ...

Page 44: ...NPUT GROUND FOR COMMAND Q DATA OUTPUT DO NOT GROUND OR INTERCONNECT MAY CAUSE DAMAGE 92BD b 877 A E 0 i I B LD w w _j w 0 _j w l w l 0 _j z l 0 z 0 RANGE SELECT z _J z f RANGE 0 w 0 w z 0 0 z 2 0 w CODE 0 0 0 0 o oto w 0 2 2 I z E 0 0 I Jj u 0 0 0 g O o 0 z 0 u 2 r0 0 r0 4 2 I 0 E u r0 r0 3 5 0 0 M N p R s T u 0 y z 2 4 8 4 3 2 l _j a 0 Q_ _j I 2 0 BCD DIGIT 0 I ENCODED SELECT u DATA ENCODE Figure...

Page 45: ...nsistor FET Transistor FET Transistor FET Transistor FET Transistor FET Transistor FET TABLE OF REPLACEABLE PARTS Description AMPLIFIER PC BOARD 100 nF 10 200 V 10 µF 20 20 V 100 pF 5 500 V 10 µF 20 20 V 33 µF 20 15 V 10 µF 20 20 V 1 0 µF 20 100 V 1 0 µF 20 35 V 50 µF 75 10 25 V 50 µF 75 10 25 V 100 nF 10 200 V 250 µF 40 V 250 µF 40 V 1000 µF 150 10 15 V 0 001 µF GMV 500 V 0 001 µF GMV 500 V 10 µF...

Page 46: ...sistor Comp Resistor Comp Resistor MF Resistor MF Resistor MF Resistor MF Resistor Comp Resistor Comp Resistor Comp Resistor Comp Resistor MF Resistor Var Resistor MF Description AMPLIFIER PC BOARD CONTINUED Selected 2N5088 2N5087 D39C2 2N5087 2N5088 TIS58 TIS58 TIS58 2N5949 2N5949 2N5949 D39C2 MPS6516 1 Mil 5 6 2 kll 5 6 2 kll 5 5 62 Mil 1 1 4 W 24 3 kll 1 80 6 kll 1 374 kll 1 294 kll 1 l O Mil 1...

Page 47: ...citor Mica Capacitor PE Capacitor PC Capacitor Mica Capacitor PC Capacitor Cer Capacitor Cer Capacitor PE Description AMPLIFIER PC BOARD CONTINUED 3 32 kit 1 1 kit 10 0 5 W 3 01 kit 1 9 09 kit 1 160 kit 5 39 kit 5 100 kit 5 160 kit 5 39 kit 5 100 kit 5 160 kit 5 39 kit 5 100 kit 5 160 kit 5 39 kit 5 100 kit 5 160 kit 5 39 kit 5 100 kit 5 160 kit 5 39 krl 5 100 kit 5 160 kit 5 39 kit 5 100 kit 5 16...

Page 48: ...sistor Comp 10 kll 5 344400 R202 Resistor Comp 22 kll 5 344433 R203 Resistor Comp 10 kll 5 344400 R204 Resistor Comp 100 Q 5 344200 R205 Resistor Comp 33 kll 5 344450 R206 Resistor Comp 10 kll 5 344400 R207 Resistor Comp 100 kll 5 344500 R208 Resistor Comp 3 3 kQ 5 344350 R209 Resistor Comp 4 7 kll 5 344365 R210 Resistor Comp 10 kll 5 344400 R211 Resistor Comp 150 kll 5 344517 R212 Resistor Comp 1...

Page 49: ...nsistor FET 2N5949 528019 Q303 Transistor FET 2N5949 528019 Q304 Transistor PNP 2N5087 528042 Q305 Transistor FET 2N5949 528019 Q306 Transistor PNP 2N5087 528042 Q307 Transistor FET 2N5949 528019 Q308 Transistor PNP 2N5087 528042 Q309 Transistor FET 2N5949 528019 Q310 Transistor PNP 2N5087 528042 Q311 Transistor FET 2N5949 528019 Q312 Transistor PNP 2N5087 528042 Q313 Transistor FET 2N5949 528019 ...

Page 50: ...1494 R318 Resistor Var 1 krl 10 1 W 311256 R319 Resistor MF 28 0 krl 1 341443 R320 Resistor MF 64 9 kQ 1 341478 R321 Resistor MF 1 00 MQ 1 342600 R322 Resistor MF 26 1 kQ 1 341440 R323 Resistor MF 46 4 krl 1 341464 R324 Resistor MF 10 kQ 1 341400 R325 Resistor Comp 4 7 Mrl 5 344665 R326 Resistor MF 45 3 krl 1 341463 R327 Resistor MF 2 49 krl 1 341338 R328 Resistor Var 1 krl 10 1 w 311256 R329 Resi...

Page 51: ...d Circuit Integrated Circuit Integrated Circuit 200 krl 1 634 kn 1 1 krl 10 1 W 14 3 krl 1 2 49 krl 1 34 8 krl 1 523 krl 1 4 7 Mn 5 162 krl 1 806 krl 1 10 krl 1 2 74 krl 1 l krl 10 l w 127 krl 1 604 krl 1 100 n 10 CHOPPER SOCKET REAR PANEL SUB PANEL 100 nF 10 50 V 100 nF 10 50 V 1 10 Amp 220 V 0 20 Amp 117 V Special OR Amphenol 80 PC 2FT International Inst 5 k 20 2 W Centralab Series PB 10 Modifie...

Page 52: ...N3905 2N5653 2N3905 4 7 kQ 5 4 7 kQ 5 4 7 krl 5 4 7 kQ 5 100 kQ 5 15 krl 5 100 krl 5 100 krl 5 10 krl 5 4 7 kQ 5 200 Q 10 1 W 2 05 kQ 1 953 Q 1 16 5 krl 1 13 0 kQ 1 11 5 krl 1 33 2 krl 1 80 6 kQ 1 10 krl 5 10 krl 5 9 76 krl 1 2 krl 10 1 W 100 Q 10 1 W COUNTER PC BOARD 200 µF 75 10 6 V 120 pF 5 500 V 56 pF 5 500 V 150 pF 5 500 V 91 pF 5 500 V 33 pF 5 500 V One of the above to be selected during cal...

Page 53: ...59 Ql220 Transistor Uni MPU131 528062 Ql221 through Ql224 Transistor PNP 2N5087 528042 Rl201 through Rl206 Resistor Comp 27 kS1 5 343441 Rl207 Resistor Comp 2 kS1 5 343329 Rl208 Resistor Comp 1 kS1 5 343300 Rl209 Resistor Comp 5 1 kS1 5 343368 Rl210 Resistor Comp 5 1 kS1 5 343368 Rl211 Resistor Comp 75 kS1 5 343484 Rl212 Resistor Comp 100 kS1 5 343500 Rl213 Resistor Comp 100 kS1 5 343500 Rl214 Res...

Page 54: ...ode Zener Diode Zener Diode Sig Diode Sig Diode Sig Integrated Circuit Integrated Circuit Integrated Circuit Integrated Circuit Transistor FET Description DISPLAY PC BOARD 1N914 MAN3620 MAN3620 MAN3620 583DX 5 V 2200D 5 V 2200D 5 V 2200D 5 V MAN 3620 2200D 5 V 2200D 5 V 2200D 5 V MPS6512 MPSA12 2N5087 47 Q 5 27 kQ 5 33 Q 5 A D CONVERTER PC BOARD LM310 Only LM301AN LM310 Only LM311 1 µF 10 35 V 1 µ...

Page 55: ...de Zener Transistor Uni Transistor PNP Transistor NPN Transistor PNP Resistor Comp Resistor Comp Resistor Comp Resistor Comp Resistor Comp Description A D CONVERTER PC BOARD CONTINUED 30 9 kQ 1 30 9 kQ 1 5 49 kQ 1 5 49 kQ 1 5 kQ 20 0 5 W 1 15 kQ 1 200 kQ 1 5 kQ 20 0 5 W 330 Q 5 10 kQ 5 1 15 kQ 1 27 kQ 5 4 7 MQ 5 680 Q 5 27 kQ 5 5 1 kQ 5 10 kQ 5 4 7 MQ 5 1 MQ 5 47 kQ 5 AUTORANGE PC BOARD OPTION 01 ...

Page 56: ...r Comp Resistor Comp Resistor Comp Resistor Comp Resistor Comp Resistor Comp Resistor Comp Resistor Comp Resistor Comp Resistor Comp Resistor Comp Resistor Comp Resistor Comp Description BEC Part No PC BOARD OPTION 01 CONTINUED 31 6 kQ 1 341448 47 kQ 5 344465 47 kQ 5 344465 10 kQ 5 344400 47 kQ 5 344465 73 2 kQ 1 341483 47 kQ 5 344465 10 kQ 5 344400 47 kQ 5 344465 40 2 kQ 1 341458 20 kQ 10 1 w 311...

Page 57: ...0 D IE Ql03 8 Ql06 L I IC 106 s w0 II J CRI25 J 103 F H J K L M N J 104 Qc111 Qc131 Qc130 Qc129 Qc12e Qc121 Qc12s Qc125 Qc124 Qc123 Qc122 Qc132 CIIB Cll9 21 vl 0 0J Cllii c n CR 124 I f cD CRl23 ill c D CR 122 ill CRl21 l JID c n CRl20 ffilli c CR 119 fRisor o cRll8 ffiill c n CR 117 filffi c D CR116 mID CR 115 llifil c n cRll4 rn ID mE Iill ffiIID illID rmID ID 01 u 1 I I 22 21 20 19 18 17 16 15 ...

Page 58: ... 0H z i r 21 t io 3 19 5 11 IT K 31 15 I I 111 G e sv l tf 3 01 I 4 DCAmos D 2 BCD I 47 ENeODED 4 COMMON 5 4 OJU n 6 t E fcDJ 0 1 Rl36 SEEHPLIFIER s DETAIL I f Ttt cci ic f j 4 01 t LEIT 41 EHdA88 E J D OISIT c t S c 11 1 9 1000 DI oolli M r lODO OJ 2SEJL CT r I A 4 um 100 H r t E 1 P l c t Hc 1 f 4 lmV 4 U Jl201 DVMCONNECTOR Cll1 55 52 r oo i 5 i50 IIRE FUNCTION I l8 fHT 8ll GY ENCODE I 54 IHTIIE...

Page 59: ... I CR212 R245 R228 Q205 CR208 R220 co R225 0 CR209 C204 R218 N 0 R226 R215 CR207 R230 R235 Q209 R2 I3 0 CR2II C207 R211 N CR213 0 R229 R243 R210 R224 Q207 R206 C208 R2 38 R203 CR219 Q2 II CR216 R201 R237 R239 C2 I 2 CR215 Q206 CR210 C217 R2 31 R242 C205 v 0 N N N R227 0 0 CR217 R223 CR218 R222 N a C210 C209 C216 R241 MODEL 42B BB BD C CB CD 92B BB BD Chopper Driver D830581P Sht 3a of 3 7 L7 z r A ...

Page 60: ... 13 1 5 l 949 CR209 CR211 CR213 C208 1 1 1 IN914 IN914 IN914 1 C212 11c1100 w1 1 3 _47 80V 13 4 0208 J TIS58 0210 J 11S58 l ll 5V R223 fR242 CR210 R222 4 7K 150 1N914 IOK Ql3 01 H J 206 4 3 PSAl2 1 R221 _c205 1 4 R228 IOK CR219 1 3 FOHJ 00 15K i 022 0 8 _ MODEL 42C SERIES MODEL 92 SERIES MODEL 42SERIES INPUT R233 2K R231 R235 4 7 T IOOK 8 A201 6 3 LM3101 l 3 J C209 4 110 l 15 15 A OUTPUT 1 6K 15 0...

Page 61: ...MODEL 92 SERIES Shaping Amp D830456L Sheet 3a 3 ...

Page 62: ... 49K 2 5 R3 8 R321 R324 IK LOOM 10 0K 2 8 3 3mV 0 0309 0311 0313 0314 2N5949 2NS949 2N5949 2N5949 0 3 IL04 14 5 15 0 8 10 7 R333 R336 R339 R342 R345 R348 R351 16 IK 54 9K 82 5K 17 8K 24 3K 95 3K 200K 10 5 10 5 10 5 10 5 10 5 0321 0321 0325 0327 0329 2N5087 2N5087 2N5087 2N5087 2N5087 R340 R352 1m 634K 10 0 10 0 10 0 10 0 R347 IK 15 14 5 14 5 G IO O R354 R356 R359 R361 R364 IUK 34 BK 162K 10 0K 127...

Page 63: ... DURING UNG CHANGE O LY l HL VOLHGf REAO NGS NOMIN L IOLTS i LHT UMBlRS USEO l 75 1 C1I6 115 CRJ 50 90NMODE S41BD OIIND41CD OI IHISVALU IS953K 10 ONMDOELS418D OIIN04H0 0I THIS V LUE IS95JK ll HISCONN Cl1DN FOR 41BD OIAN041C0 01 12 ONMODELS41BO Oli N042CD 0I THIS IALUE IS 50K 9280 4180 41CD ROGf IOmV lµ I 10µ1 INPU 10ml IJLt 101 I BOONTONIIII MODEL 42 92 SERIES Schematic Auto Range E830483E ...

Page 64: ...2 2 Q602 0 Q603 0 Q605 0 L 2 ID 0 IC604 D IC603 IC605 2 IC602 MODEL 92BD Digital Control 00 I 0 0 ID ID 0 0 D D IC601 D830581F Sheet 2a of 3 7 _J Q x it I en a 0 J 00 I i ID U IO W t O r ...

Page 65: ...iF o ollF IN5227B IN821 5 l 5 1 5V ANALOG OVER UNOER 15V COM 15V 12 OUT RANGE RANGE 13 P 14 16 R 15 S 17 U 2 I 10 0 R641 IOK 10 R643 9 76 NOTES I RESISTANCE VALUES IN OHMS 2 3 LJ EXTERNAL MARKINGS 0 7S 4 SIGNIFIES COMPONENTS ADDED FOR 92B0 09 R644 5 _j Ni l1t UNPER USEO ON NOOEL 9280 WITH 2K 6 SIGNAL PATH 7 TEST CONOIT IONS RANGE IOmV INPUT 10 mV 8 REAOINGS INSIOE TAKEN WITH dBm MOOE ENERGIZEO 9 R...

Page 66: ...MODEL DPM Counter Board E830546G Sht la of 3 7 Ql224 0 0 Ql223 Ql222 0 0 Ql221 _J ...

Page 67: ...t _ c t 6 2 Rl228 Cl 20S O l F Rl229 Cl208 Rl224 4lJLF t I50 430 6 2 2 0 v l l 200ji F V 7 l CRl20I INS2H8 CRl202 CRl203 IN5234S IN9I4 I 20Y CRl204 IN9I4 Rl23I 5 IK G J 8 F H J I6 T I1 U 22 21 20 19 I 2 9 N P I2 ll N LB 2 wmFORN NOTES I RESISTANCE ALU ES IN OHNS A D 1 4 WATT UNLESSOTHERIISESPECIFIEO 2 FACTQRYSHECTED l TEST CONDITIONS DISPLAY BLANK UL NEASURENENTS NAOE 11TH 05V INPUT ADJ Rl405TO IO...

Page 68: ...l404 9 Rl418 01401 Rl419 Rl405 R1408 I ICl402 _ Rl 410 0 CRl401 N Cl 406 c n 10 6 ICl404 I CRl403 3 2 a Q IC J Cl403 I a O c140W 7 DJ _ _____ _ EID Cl401 CRl405 a N 4 I Cl403 ii o LL ________ LJ L MODEL DPM A D Converter D830546E Sheet 3a of 3 _J ...

Page 69: ...Jl 7 35V 0 0 5 Rl4I6 6 Al403 3 5 1 R 411 LMJIO 0 4 T 4 17 L 5v __ CD 0 AC COUPLED 6V Rl4IT 10 Rl4I8 UM R14i9 IM 5 6 2 V 6 1V CRl40I CRl401 Rl406 IN81I IN811 Rl4II 115 115 15 0 15 0 6V Q 15V ISV I5V Rl4I5 1sv 1 7 J P Cl40I Cl40 I r I r 35V 35V 0 Pl10l 1 A I I5V CON l5V OVERFLOW ENCODE TRANSFER LATCH 3 TEST CONDITIONS ALL MEASUREMENTS MADE 11TH 0 5 Vdc INPUT 11000 COUNTS ALL VALUES NOMINAL Rl 10 _ 4...

Page 70: ...MODEL DPM DISPLAY BOARD D830546G Sheet 2a of 3 ...

Page 71: ...S6512 MPS6512 MPS6512 O I Q 8 01 JO 0 8 01 O I I I SEGMENT SELECT 5V Rl308 27 1 6 MS 5V 0 Rl309 2 K crno2 IN914 I 5V RIJIO 27K CR 1303 IN914 CRl304 3 LS IN914 1 2 DIGIT COM BLANK DIGIT SELECT _____ 5 1 I 6 DP NEG POL 5 1 5 1 5 1 0 9 5 1 5 1 C IND IND IND LEGE D D IND IND IND LAMis _ __Y SV 4 5 5V Pl204 __________________ Pl202 NOTES r _G_ s E C D I RESISTANCE VALUES IN OHMS AND I HATT UNLESS OTHER...

Page 72: ...00 nW I mV 2pF T 8 17 4 1 1 u 4 5 6 7 8 9 10 II 11 13 14 15 16 17 18 19 10 21 11 U V Y Z 18 1 I RANGE CDOE I V TRIGGER 19 I w COMPLETE I ENCD DE JI05 10 UNOERRAN GE NOT X HOLD 21 DHRRANGE NOT y 22 PWR MOOE mV MODE IPDLARITY z rM_S_D_____________ Pm i IL BCD ______________ LS_D 5V 15 14 13 II OA OB OC OD ICIOI SN74L98N A2 B2 C2 02 CLK I 4 6 7 10 5 V 5 V 5V 15 14 13 II OA OB OC OD IC 104 SN74 L98N A...

Page 73: ...17 18 19 20 21 22 10 PIN ASSIGNMENTS Pl 4280 42CD 9280 728D 4280 I 42CD I 92BD I 728D HI TERM BIAS A I dBm LO TERM BIAS 2 MSO LOGIC GROUND C ANALOG OUTPUT 0 COMMON E I AUTO ENABLE F 2 MANUAL DISABLE H eco dBm ENABLE J ENCODED 3000mV K I DATA IOmW IOOmW IOOOmV 2000pF L 2 lmW IOmW 300mV 100 w I mW IOOmV 200pF N 10 w IOO W 30mV p I w IO W IOmV 20pF R 2 LSO IOOnW w 3mV s IOnW IOOnW I mV 2pF T 4 2 u 2 ...

Page 74: ...wi II repair or at our option replace any of our products which are found to be defective under the terms of this warranty There wi 11 be no charge for parts labor or forward and return shipment during the first three months of this warranty There wi 11 be no charge for parts labor or return shipment during the fourth through twelfth month of this warranty Except for such repair or replacement we ...

Page 75: ...BOONTON BOONTON ELECTRONICS CORP ROUTE 287 AT SMITH ROAD PARSIPPANY N J 07054 U S A TEL 201 887 5110 TWX 710 986 8241 ...

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