Fluke 5725A User Manual
Page 72
5725A
Instruction Manual
4-2
4-30.
Optoisolator Link......................................................................... 4-18
4-31.
Break-Detect Circuitry................................................................. 4-19
4-32.
Power Up and Reset Circuitry ..................................................... 4-19
4-33.
Watchdog Timer .......................................................................... 4-19
4-34.
Current Amplifier Assembly (A2) ................................................... 4-19
4-35.
Error Amplifier Section ............................................................... 4-21
4-36.
Output Stage Section ................................................................... 4-22
4-37.
Monitor Section ........................................................................... 4-22
4-38.
Control and Switching Section .................................................... 4-23
4-39.
Power Supply Section.................................................................. 4-23
4-40.
High Voltage Amplifier (A3)........................................................... 4-24
4-41.
Input Amplifier ............................................................................ 4-24
4-42.
Integrator...................................................................................... 4-26
4-43.
Window Comparator ................................................................... 4-26
4-44.
Input Clamp ................................................................................. 4-26
4-45.
Transconductance and Cascode Stage......................................... 4-27
4-46.
Midstage ...................................................................................... 4-27
4-47.
Midstage -400V Filter ................................................................. 4-27
4-48.
High Voltage Heat Sink Assemblies ........................................... 4-27
4-49.
Autobias Current Source ............................................................. 4-28
4-50.
Autobias Sense Circuit ................................................................ 4-28
4-51.
High Voltage Amplifier Feedback............................................... 4-29
4-52.
Signal Transformers .................................................................... 4-29
4-53.
Temperature Monitoring.............................................................. 4-29
4-54.
High Voltage Sense Assembly (A6) ................................................ 4-30
4-55.
Sense Amplifier Section .............................................................. 4-32
4-56.
Analog Monitor Section .............................................................. 4-34
4-57.
Serial Interface/Guard Crossing Section ..................................... 4-35
4-58.
Analog Input Switching Section .................................................. 4-35
4-59.
Control Section ............................................................................ 4-36
4-60.
AC Line Voltage Selection Section............................................. 4-37