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INSTRUCTION MANUAL 

For 

MODEL 1620A 

TRANSCONDUCTANCE AMPLIFIER

 

 

Ballantine Laboratories, Inc.

 

www.ballantinelabs.com 

e-mail: [email protected] 

9 Saddle Rd., Cedar Knolls, New Jersey, 07927, USA 

Phone: (973) 984-1900, Fax: (973) 984-1479 

90-10296-5C                   MARCH 2007 

 

Summary of Contents for 1620A

Page 1: ...ODEL 1620A TRANSCONDUCTANCE AMPLIFIER Ballantine Laboratories Inc www ballantinelabs com e mail sales ballantinelabs com 9 Saddle Rd Cedar Knolls New Jersey 07927 USA Phone 973 984 1900 Fax 973 984 1479 90 10296 5C MARCH 2007 ...

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Page 5: ...llantine products are standardized by systematic reference to NIST traceable Standards äs described in the validation procedures shown below REFERENCE STANDARDS DC 10 mV 750 V 0 002 0 003 20 Hz 50 kHz 0 5 V 500 V 0 004 20Hz 10 MHz 0 5 V 100 V 0 05 DC 30 MHz 0 5 V 100 V 0 35 DC 700 MHz 10 uV 0 5 V 1 NIST 10 MHz 1000 MHz 1 V 300 V 1 NIST WORKING STANDARDS THERMAL VOLTAGE CONVERTERS BALLANTINE 1397A ...

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Page 7: ...nt d 5 26 Checking Overcompliance Indicator 5 5 5 29 Checking Output Overcurrent Protection 5 5 5 30 Conclusion of Performance Verification Checks 5 5 5 32 Calibration and Alignment Procedure 5 6 5 34 Removal of Covers 5 6 5 36 Preliminary Inspection 5 6 5 38 Internal Adjustments and Test Points 5 6 5 42 Initial Power Supply Check 5 6 5 43 DC Calibration 5 6 5 44 Front Panel Zero Adj R26 5 6 5 48 ...

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Page 9: ...1 0 Figure 1 1 Model 1620A Transconductance Amplifier ...

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Page 16: ...al thermal drift on the 20A and 100A ranges normal thermal drift due to shunt material can reach up to 2500 ppm Yes No 60 IEEE 488 Bus Control Yes Yes 90 Accessory Cable Kit Consists of 1 each P N 88 10120 1 1 each P N 88 10121 1 NOTE Option 04 is implemented standard in all units TABLE 1 4 OPTION COMPATIBILITY OPTION 15 30 60 90 15 Yes Yes Yes 30 Yes Yes Yes 60 Yes Yes Yes 90 Yes Yes Yes ...

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Page 47: ...MOLEX 2695 22 01 2087 31 10443 1 ...

Page 48: ...20 10088 1 D 31 10426 0A MOLEX 2695 22 01 3077 ...

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Page 51: ... 15V 8 15V U5 RMS AD636 CONV 15V 5V R4 3 3k Figure 6 2 Model 1620A 100A Overload Protection Schematic Diagram 4 R3 4 64k 15V R11 1 96k U4A CD4011B 3 1 2 9 15V C2 2 0 uF 3 15V U4D CD4011B 11 13 12 U4B CD4011B 4 5 6 U3B 3290 5 6 8 4 7 V V OUT 10 15V R1 1 47k U3 4N32 1 6 2 5 4 R6 10k 3 6 10 R9 10k 15V 5 9 Q2 2N3906 3 2 1 U3A 3290 3 2 8 4 1 V V OUT 15V 3 6 C1 2 0 uF 15V 7 6 11 ...

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Page 61: ...pacity within less than a minute and eliminates the need for stabilization time at high currents on the 20A and 100A scales The following figure represents the electrical schematic of the Option 30 thermal compensation Figure 7A 1 Model 1620A Option 30 Schematic Diagram PARTS LIST FOR OPTION 30 MODEL 1620A SCHEMATIC REF BALLANTINE PART NO DESCRIPTION MANUFACTURER PART NO R TH1 R TH2 R SER1 R SER2 ...

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