Fluke 5220A Instruction Manual page 4

Transconductance amplifier
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5220A
Instruction Manual
4
3-8.
Preamplifier...................................................................................... 3-6
3-9.
A6 Driver ......................................................................................... 3-7
3-10.
A7 Output......................................................................................... 3-9
3-11.
A8 Analog Control........................................................................... 3-10
3-12.
A9 Front Panel ................................................................................. 3-11
3-13.
A10 Logic ........................................................................................ 3-11
3-14.
Reset Logic .................................................................................. 3-11
3-15.
Timing Logic ............................................................................... 3-13
3-16.
Standby/Operate Logic ................................................................ 3-14
3-17.
Local/Remote Logic .................................................................... 3-15
3-18.
Front/Rear Input Logic ................................................................ 3-15
3-19.
Failure Status Logic ..................................................................... 3-16
3-20.
A11 MIS Bus Interface .................................................................... 3-16
Maintenance ....................................................................................... 4-1
4-1.
Introduction .......................................................................................... 4-1
4-2.
Service Information .............................................................................. 4-2
4-3.
General Maintenance............................................................................ 4-2
4-4.
Cleaning ........................................................................................... 4-2
4-5.
Air Filter Maintenance ..................................................................... 4-2
4-6.
Access Information .......................................................................... 4-2
4-7.
Internal Components/Assemblies ................................................ 4-4
4-8.
Front Panel Removal ................................................................... 4-4
4-9.
A9 Front Panel PCB Removal ..................................................... 4-4
4-10.
A2 Transformer Assembly Removal ........................................... 4-4
4-11.
A6 Driver and A7 Output Assembly Removal ............................ 4-5
4-12.
A3 Cap Bus Removal .................................................................. 4-5
4-13.
A12 Shunt Assembly Removal.................................................... 4-5
4-14.
Fuse Replacement ............................................................................ 4-6
4-15.
Ac Line Fuse................................................................................ 4-6
4-16.
Power Supply Fuses..................................................................... 4-6
4-17.
Line Voltage Selection..................................................................... 4-6
4-18.
Output Terminal Selection, Front/Rear............................................ 4-7
4-19.
Service Tools.................................................................................... 4-8
4-20.
Performance Test.................................................................................. 4-8
4-21.
Initial Conditions.............................................................................. 4-8
4-22.
Front Panel Tests.............................................................................. 4-9
4-23.
Zero Output ...................................................................................... 4-9
4-24.
DC Accuracy and Line Regulation .................................................. 4-10
4-25.
Harmonic Distortion......................................................................... 4-10
4-26.
Frequency Response......................................................................... 4-11
4-27.
Overcurrent Trip Test....................................................................... 4-11
4-28.
Overvoltage Trip Test ...................................................................... 4-12
4-29.
Calibration Adjustments....................................................................... 4-12
4-30.
Initial Conditions.............................................................................. 4-13
4-31.
Input Offset Adjustment................................................................... 4-13
4-32.
Driver Offset Adjustment................................................................. 4-13
4-33.
Output Bias Adjustment................................................................... 4-14
4-34.
DC Accuracy Adjustment ................................................................ 4-14
4-35.
Frequency Response......................................................................... 4-14
4-36.
Overcurrent Adjustment................................................................... 4-15
4-37.
Overvoltage Adjustment .................................................................. 4-15
4-38.
Replacement of Selected Components ................................................. 4-15
4-39.
Resistors R11 and R12 ..................................................................... 4-16
ii

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