Boonton 4210 Instruction Manual Download

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Summary of Contents for 4210

Page 1: ...ELECTRONICS CORPORATION P N 98100902 791 ROUTE 10 RANDOLPH NJ 07859 TELEPHONE 201 584 1077 TWX 710 986 821 5 Printed in U S A 8 8 5 ...

Page 2: ...IV ...

Page 3: ...or amplitude modulated the indicated power may not be the true average power The signal may be attenu ated to bring it within the r m s region of measurement Alternatively the instrument can be used with thermal sensors Model 4210 7E 8E in this case the instrument mea sures and displays the true average power for all waveforms 1 8 The outstanding design features are a Wide Frequency Range The cali...

Page 4: ...ed into a 94 Hz signal by a solid state low level input modulator chopper which rep resents a distinct improvement over electromechanical choppers Extended service life is assured through the elim ination of contact wear contamination and other prob lems associated with electromechanical choppers k Signature Analysis Maintenance Connection facili ties to permit signature analysis maintenance are i...

Page 5: ...th 4210 8E sensor 1 xW h max on 100 jliW range Range Instrument 21 C to 25 C 0 dB 18 C to 30 C 0 dB 10 C to 40 C 0 2 dB Sensor 0 dB 0 1 dB 0 2 dB Range 1 10 dB to 1 10 dB entered via calibrated front panel control With all 4210 1 series sensors True average power to 20 xW above 20 uW average power of sine wave With all 4210 5 series sensors True average power to 200 xW above 200 xW average power o...

Page 6: ... 2 GHz 4GHz 3 5 4 GHz 8 GHz 4 0 8GHz l0GHz 4 5 10GHz 12GHz 6 0 12GHz 18GHz Add 0 005 dB mW above 4 GHz 1 10 300MHz 1 3 300MHz 2GHz 3 0 2GHz 4GHz 3 5 4GHz 8GHz 4 0 8 GHz 10 GHz 4 5 10GHz 12GHz 6 0 12GHz 18GHz Max SWR 1 12 200kHz 2GHz 1 2 2GHz 4GHz 1 4 4GHz 7GHz 1 12 200kHz 2GHz 1 2 2G Hz 4 GHz 1 4 4GHz 1 1GHz 1 6 11 GHz 12 4 GHz 1 18 20 0k Hz 1 GHz 1 3 200kHz 4GHz 1 5 4GHz 10GHz 1 7 10GHz 18GHz 1 0...

Page 7: ...2 5 2 5 INCREASING LEVEL LI TO L2 NOTE For Series 5 sensors increase levels by 10 dB MAXIMUM RESPONSE TIME IN SECONDS WITH 4210 4 5 SENSORS LI dBm L2 dBm 10 0 10 20 30 40 50 60 10 0 10 20 30 40 50 60 1 5 1 5 1 75 1 5 1 75 1 25 27 18 15 10 10 11 DECREASING LEVEL LI to L2 NOTE For Series 5 sensors increase levels by 10 dB Figure 1 2 Response Time Chart for Series 42 10 A 5 Sensors 1 5 ...

Page 8: ...NDS WITH 42I0 7E 8E SENSORS LI dBm L2dBm INCREASING LEVEL LI to L2 NOTE For Series 8E sensors increase levels by 10 dB MAXIMUM RESPONSE TIME IN SECONDS WITH 4210 7E 8E SENSORS L2 dBm Figure 1 3 Response Time Chart for Instrument and 4210 7E 8E Sensor 1 6 ...

Page 9: ...Figure 1 4 Outline Dimensions 1 7 ...

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Page 11: ...ipped complete with sensor and is ready for use upon receipt Packaging details are shown in Figure 2 1 Unpack the instrument carefully and inspect it for any signs of shipping damage Should any damage be noted notify the carrier and the factory immediately NOTE Save the packing material and container for possible use in reshipment of the instrument 2 5 Mounting For bench use choose a clean sturdy ...

Page 12: ...y before shipmentof the instrument and sensor High frequency calibration data appear on the chart on the sensor barrel and the proper dB correction is entered using the CAL FACTOR dB control For the procedure for determining the calibration factor refer to paragraph 4 21 The field replacement of any sensor with TABLE 2 1 OPERATING CONTROLS INDICATORS AND CONNECTORS Control Indicator or Connector F...

Page 13: ...Section II Operation ...

Page 14: ...s noted earlier it may be desirable to do so 4 Use the Overlay drawing on page 6 7 to help locate resistors R21 and R23 They are at the very bottom of the drawing just to the right of center Replace these resistors with the ones that are supplied in the kit 1 8 k ohm for diode type sensors and 7 5 k ohm for thermal sensors Note that if you are replacing a sensor with one of the same type there is ...

Page 15: ...ent parameters are entered into the microprocessor through the front panel controls When the instrument is turned on the PWR key is auto matically activated and no dBm offset is stored for dBr measurements b Mode Selection Two mode keys select either power units or dBm When the PWR key is pressed measured power levels are displayed in mW juW or nW the annuncia tors associated with the LED display ...

Page 16: ...e remains unchanged for all subsequent measurements until a new reference is entered or the instrument is turned off 2 21 MAKING MEASUREMENTS 2 22 Low Level Measurements The instrument will pro vide reliable reproducible measurements of c w a m and f m power levels as low as 1 nW 60 dBm It can also be used for pulse measurements but with slightly decreased accuracy 1 dB Peak power levels for pulse...

Page 17: ...p a piece of thin copper foil around the body of the connector body and crimp the foil around the open end of the connector making certain that the center pin of the connector is not shorted If frequent zeroing in strong noise fields is necessary construct an adapter using a Type N connector permanently fitted with a copper foil shield 2 28 MINIMUM PERFORMANCE STANDARDS 2 29 Test Equipment Require...

Page 18: ...Section II Operation ...

Page 19: ...Section II Operation 2 9 a fy Figure 2 6 dB SWR Conversion Chart ...

Page 20: ...as follows a Set the power source to 100 juW and the instrument to the d Bm mode The indication should be 10 00 dBm 0 07 dB b Press the REF key This stores the dBm display of 10 00 dBm as a reference c Press the dBr key The display should now indicate 00 00 dBr 10 00 dBm 10 00 dB and the dBr annun ciator should be on 2 35 Analog Meter To check the analog meter display of the instrument proceed as ...

Page 21: ...ed to a sensor which converts the r f to a d c voltage that is some func tion of the r f power level This d c voltage is applied through the sensor cable to a solid state chopper which converts the d c voltage to a 94 Hz square wave with an amplitude proportional to the d c voltage Drive signals for the chopper are provided from the analog section 3 5 The analog section also provides amplification...

Page 22: ...or The r f voltage developed across the load resistor is rectified by the diodes to produce a d c voltage which is some function of the applied r f power level At levels up to approximately 10 microwatts the d c voltage is proportional to the input power at higher levels the d c voltage gradually becomes proportional to the peak value of the r f power level 3 12 The chopper printed circuit board c...

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Page 24: ...ialization When capacitor A2C30 has charged through resistor A2R58 the CPU RESET signal is deactivated and the CPU begins execu tion of the stored program The CPU is clocked at 1 7895 MHz by a clock signal developed by crystal A2Y1 an internal clock circuit in A D converter A2U21 flip flop A2U26a and gate A2U27a PROM A2U29 is enabled through gate A2U24b by signals MRQ and RD from CPU A2U28 and the...

Page 25: ... 12 0 A 2 U 1 7 PIN 2 P A 2 U 1 7 PIN 13 Q A2U 17 PIN I n_TLiTJi LrLrLrLn_n x 752 Hz 376 Hz 376 Hz 188 Hz 94 Hz 94 Hz 94 Hz CHOPPER 94 Hz CHOPPER R M L A2UI6 PIN 3 S Q R A2UI6 PIN 4 T P R A2UI6 PIN 10 188 Hz 94 Hz DEMODULATOR 94 Hz DEMODULATOR Figure 3 3 Derivation of Chopper and Demodulator Drive Signals ...

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Page 27: ... circuit board to determine the setting of the front panel CAL FACTOR potentiometer For this function digital data from the microprocessor is converted to an analog voltage by the D A converter and this analog voltage is compared in the display circuits with the voltage at the output arm of the CAL FACTOR potentiometer If the two voltages do not agree an error signal is supplied to the microproces...

Page 28: ...sferred to the microprocessor circuits through programmable peripheral interface A2U31 in the display section where it is stored for execution in the main program after completion of the interrupt routine The digit drive signal that is active at the time the switch pulse is activated signifies which of the five switches has been pressed 3 34 Comparator A3U1 functions with D A converter A2U33 in th...

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Page 30: ...P 0 MAIN PC BOARD A2 VOLTAGES SHOWN ARE REFERENCED TO GROUND Figure 3 6 Power Supply Circuits Detailed Block Diagram 3 13 3 14 ...

Page 31: ...ctively Regulated 5 volt and 5 volt operating supplies for the most sensitive circuits the chopper and analog circuits of the instrument derive power from the regulated 15 volt and 15 volt supplies using voltage regulators A2U6 and A2U7 these supplies are thereby extra regulated 3 40 Regulated 5 volts for the digital and display circuits is provided by a separate 5 volt d c supply powered by the t...

Page 32: ...vantages over the older methods A complete discussion of signature analysis is beyond the scope of this manual however a brief descrip tion of the method may be helpful Long and complex data streams are present in micro processor systems In signature analysis with the system operating at normal speed these data streams can be com pressed into concise easy to interpret readouts signa tures at perti...

Page 33: ...eform will point to the IC imme diately before the test point as the most probable cause for malfunction All IC s are socketed making their replace ment easy If all the waveforms appear correct proceed to step e e Connect an oscilloscope in turn to the test points 1 through 23 and check the waveforms against those shown on the schematic diagrams Again at the first departure from a normal waveform ...

Page 34: ...0 mW A2 R55 A3 R2 10 mW 1 mW A3 R 5 1 mW ADJUST 15 00 02 Vdc AT TP 26 15 00 02 Vdc AT TP 27 0 00 INDICATION 1 0 00 ND I CATION l CAL FACTOR OdB JOO OnW 10 00 nW INDICATION LOOO iW 100 0 nW INDICATION lO OO W 1 000 W INDICATION 100 0 W IQ OO W INDICATION I OOOmW 100 0 INDICATION lO OOmW I OOOmW INDICATION lOO OmW 1 0 00 m W INDICATION ANALOG DIGITAL CONVERTER SENSITIVITY CAL FACTOR Linearity Analog...

Page 35: ...C1 U28 Z80 PIN 38 A8 7707 U28 Z80 PIN 39 A9 511 A U28 Z80 PIN 40 AlO HH86 U28 Z80 PIN 1 All 89F1 U28 Z80 PIN 2 Al2 AC99 U28 Z80 PIN 3 Aj 3 PCF3 U28 Z80 PIN 4 a14 1180 U28 Z80 PIN 5 Al5 755U TABLE 4 3 SIGNATURE ANALYSIS TEST PROM JOAa 4210 4 SERIES SENSOR CONTENT SA ACTIVE POINT SA PROBE SIGNATURE START TP 9 U29 2732 PIN 24 5 V 826P STOP TP 9 U29 2732 PIN 12 COM 0000 CLK TP 8 U29 2732 PIN 9 D0 6243...

Page 36: ...ROM CONTENT JOCa 4210 7E SERIES SENSOR SA ACTIVE POINT SA PROBE SIGNATURE START TP 9 U29 2732 PIN 24 5 V 826P STOP TP 9 U29 2732 PIN 12 COM 0000 CLK TP 8 U29 2732 PIN 9 D0 AFC2 U29 2732 PIN 10 Dj 1A6C U29 2732 PIN 11 d2 C831 U29 2732 PIN 13 d3 1876 U29 2732 PIN 14 d4 7896 U29 2732 PIN 15 D5 65P2 U29 2732 PIN 16 d6 9618 U29 2732 PIN 17 d7 1C2U TABLE 4 6 SIGNATURE ANALYSIS TEST RAM ADDRESS LINES SA ...

Page 37: ...PIN 9 H335 U25 74L504 PIN 10 050U U25 74L504 PIN 11 7050 U25 74L504 PIN 12 HPF6 U25 74L504 PIN 13 AC99 TABLE 4 8 SIGNATURE ANALYSIS TEST GATE CHECK SA ACTIVE POINT SA PROBE SIGNATURE START TP 7 U27 74L502 PIN 14 5 V 755U STOP TP 7 U27 74L502 PIN 7 COM 0000 CLK TP 8 U27 74L502 PIN 1 0000 U27 74L502 PIN 2 755U or 0000 U27 74L502 PIN 3 755U U27 74L502 PIN 4 755U U27 74L502 PIN 5 050U U27 74L502 PIN 6...

Page 38: ...shes on and off Repeat the zero procedure if necessary to obtain a good zero e Release the ZERO key of the adjustable power source and set the output in turn to each of the levels shown in Table 4 9 On the most sensitive ranges of the instrument there will be some fluctuation of indications and mental averaging will be required If it is impossible to adjust any range or if any adjustment control i...

Page 39: ... error of Model 4210 for range used P indicated power on Model 4210 NOTE It is important that the instrumentation error es of the standard power meter be known This error can be determined by methods described by the manufacturer In most cases the uncertainty of the instrumentation error can be reduced by operating at higher power levels i Repeat steps a through h for each of the other test freque...

Page 40: ...TER MONITOR GENERATOR 50 OHM TERMINATION REFLECTED a 6 dB 50 OHM Nr ATTENUATOR INCIDENT III If _ X STANDARD POWER I fill II DOUBLE DIRECTIONAL COUPLER METER STUB TUNER DETAIL B GENERATOR 50 OHM TERMINATION V REFLECTED DOUBLE STUB TUNER RF MICROWATTMETER MONITOR DIRECTIONAL COUPLER a 6 dB 50 OHM ATTENUATOR INCIDENT MODEL 4210 TO BE CALIBRATED DETAIL C Figure 4 2 Calibration Factor Measurements Test...

Page 41: ...er dissipated in a sensor of Z0 ohms to the power measured with a diode type power sensor when each is connected in turn to a source with a reflection coefficient pg it can be shown that 0 pgPc 2 pgpg pp 2 m P P 1 n By definition k 0 p i indicated power P P calibration factor 1 incident power This relationship is correct provided that measurements are made with a Z0 source The power obtained by di...

Page 42: ...urce is 4 33 Assume that the complex reflection coefficients are known to be Pg 0 0909 1 20 and Pg 0 1 1 1 1 35 The calibration factor for this power meter at the operating frequency is 1 138 as determined from the incident power of a 50 ohm source When the power meter and source are connected the indicated power is 55 2 juW Applying the calibration factor Pm 55 2 1 138 48 5 juW The correc tion fa...

Page 43: ...Section IV Maintenance Figure 4 3 Effective Efficiency Measurement Test Setup Figure 4 4 Source and Sensor Examples for Calibration Factor Measurements 4 12 ...

Page 44: ...SWR OF DETECTOR OR SOURCE Section IV Maintenance Figure 4 5 Mismatch Uncertainties Chart 4 13 MAXIMUM NEGATIVE UNCERTAINTY ...

Page 45: ...uld measure about 500 ohms and the backward resistance should be greater than 50 kfl If the back resist ance of a diode measures appreciably less than 50 kfl replace it using the following technique NOTE Before attempting to replace the diode network in either the 4E or the 5E Cl 02 and Cl 03 must be removed as described above i While grasping the diode with tweezers and applying a light upward pu...

Page 46: ...00 pF 20 25V SM217 SM 25 VB 100 M 203334 000 C 6 Capaci tor EL 100 p F 20 25V SM217 SM 25 V8 1 00 M 203334 000 CIO Capacitor EL 100 pF 20 25V SM217 SM 25 VB 1 00 M 203334 000 Cll Capaci tor EL 100 pF 20 25V SM217 SM 25 V8 100 M 203334 000 C 1 6 Capacitor EL 10 p F 20 25V SM217 SM 25 VB 10 M 203336 000 C 1 7 Capac 1 tor EL 10 fF 20 25V SM217 SM 25 VB 10 M 203336 000 C10 Capaci tor EL 10 pF 20 25V S...

Page 47: ... RM 6 Resistor MF 165 ohm 1 RN55D 1 650 F 341223 000 RM7 Resistor MF 10 0k ohm 1 RN55D 1 002 F 341400 000 RM0 Resistor Comp 5 6k ohm 5 01121 CB 343372 000 RM9 Resistor Comp 3 3k ohm 5 01121 CB 343350 000 R 50 Resistor MF 10 0k ohm 1 RN55D 1002 F 341400 000 R51 Resistor Comp 100 ohm 5 01121 CB 343200 000 R52 Resistor Comp 1 0M ohm 5 01121 CB 343600 000 R53 Resistor MF 1 65k ohm 1 RN55D 1651 F 34132...

Page 48: ...ocket IC 40 Pin 06776 ICN 406 S4 G 473052 000 XU2 8 Socket IC 40 Pin 06776 ICN 406 S4 G 473052 000 XU2 9 Socket IC 24 Pin 06776 ICN 246 S4 G 473043 000 XU3 0 Socket IC 18 Pin 06776 ICN 1 8 3 S3 G 473045 000 XU3 1 Socket IC 40 Pin 06776 ICN 406 S4 G 473052 000 XU3 2 Socket IC 18 Pin 06776 ICN 1 83 S3 G 473045 000 XU33 Socket IC 16 Pin 06776 ICN 163 S3 G 473042 000 Y 1 Crystal 3 579545 MHz 95402 Hol...

Page 49: ...2 Resistor Var 2K ohm 10 0 SW 73138 72XWR2K 31 1347 000 RM Resistor Comp 7 5k ohm 5 01121 CB 3M338M 000 R5 Resistor Var 2K ohm 10 0 5W 73138 72XWR2K 3113M7 000 R7 Resistor MF 10 0k ohm 1 RN55D 1002 F 3M1M0 0 000 RIO Resistor MF 10 0k ohm 1 RN55D 1 002 F 3M 1 MOO OOO R 1 1 Resistor MF 10 0k ohm 1 RN55D 1 002 F 3M1M00 000 R 1 2 Resistor MF 10 0k ohm 1 RN55D 1 002 F 3M1MOO OOC R 1 3 Resistor MF 10 0k...

Page 50: ... VI Schematic Diagrams SECTION VI SCHEMATIC DIAGRAMS NOTE Internal drawing number 831 170 Sheet 1 of 3 is referenced on various schematic diagrams in this section This number corresponds to Figure 6 1 6 1 6 2 ...

Page 51: ...Section VI Schematic Diagrams DETECTOR CABLE SCHEMATIC MAIN FRAME ASSY 831 170C SHT I Figure 6 1 Main Frame Al Schematic Diagram 6 3 6 4 ...

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Page 54: ... 16 2 CL VCC 2 CL VCC CLK U20 CLK U23 7 p SN74LSI63 CARRY 15 SN74LSI63 0 10 1 ENA8LE OUTPUT ENA8LE CARRY r 1 rn A OUTPUT A 8 C D LOAD GND A GND A B C LOAD 3 4 fcLK FROM R2 SHT 2bOF 3 Rl L RO W i R60 y CR7 4 iook J 1 N 914 vcc A 0 A a 2 a4 A3 CEi OD cT 2 R W SEE NOTE 5 U30 211 IA 4 SEE NOTE 5 1 02 1 0 1 03 I 04 12 13 14 1 18 r cc GND A6 A 5 Ao A SEE NOTE 5 A2 ro U 32 2 1 1 IA 4 CE OD CEZ SEE NOTE 5...

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