Fluke 5700A Series - 2-2. Calibrator Overview

2-1
Chapter 2
Theory of Operation
Title Page
2-1.
Introduction........................................................................................... 2-5
2-2.
Calibrator Overview ............................................................................. 2-5
2-3. Internal References........................................................................... 2-5
2-4. Hybrid Reference Amplifiers....................................................... 2-5
2-5. Fluke Thermal Sensor (FTS)........................................................ 2-5
2-6. Digital-to-Analog Converter (DAC). ........................................... 2-6
2-7. Digital Section Overview...................................................................... 2-6
2-8. Analog Section Overview..................................................................... 2-6
2-9. Functional Description Presented by Output Function......................... 2-8
2-10. DC Voltage Functional Description ................................................. 2-8
2-11. AC Voltage Functional Description ................................................. 2-11
2-12. Wideband AC V Functional Description (Option -03) .................... 2-12
2-13. DC Current Functional Description.................................................. 2-12
2-14. AC Current Functional Description.................................................. 2-12
2-15. Ohms Functional Description........................................................... 2-13
2-16. System Interconnect Detailed Circuit Description................................ 2-13
2-17. Digital Motherboard Assembly (A4)................................................ 2-13
2-18. Transformer Assembly (A22)........................................................... 2-14
2-19. Analog Motherboard Assembly (A3)............................................... 2-14
2-20. Front/Rear Binding Posts ................................................................. 2-18
2-21. Rear Panel Assembly (A21) ............................................................. 2-18
2-22. Filter PA Supply Assembly (A18) ................................................... 2-18
2-23. Digital Section Detailed Circuit Description ........................................ 2-18
2-24. Digital Power Supply Assembly (A19)............................................ 2-18
2-25. +5V Power Supply ....................................................................... 2-19
2-26. ±12V Power Supplies................................................................... 2-19
2-27. +35V Power Supply ..................................................................... 2-19
2-28. +75V Power Supply ..................................................................... 2-20
2-29. +35V and +75V Shut-Down Circuit ............................................ 2-20
2-30. CPU (Central Processing Unit) Assembly (A20) ............................. 2-21
2-31. Power-Up and Reset Circuit......................................................... 2-21
2-32. Clock Generation ......................................................................... 2-21
2-33. Watchdog Timer........................................................................... 2-24
2-34. Address Decoding and DTACK (Data Acknowledge) ................ 2-24
2-35. Interrupt Controller ...................................................................... 2-25