Contents
(continued)
v
2-167. High Voltage Magnitude Control................................................. 2-106
2-168. Ohms Overview................................................................................ 2-108
2-169. Ohms Main Assembly (A10)............................................................ 2-109
2-170. Selection of Resistance Values .................................................... 2-109
2-171. Ohms Main Assembly Support of Current Function Calibration. 2-112
2-172. Ohms Digital Control................................................................... 2-112
2-173. Ohms Cal Assembly (A9)................................................................. 2-112
2-174. Ohms CAL Digital Control.......................................................... 2-112
2-175. 1, 1.9, and Short Resistance ......................................................... 2-113
2-176. Two-Wire Ohmmeter Compensation Circuit. .............................. 2-113
2-180. Ohms Calibration ......................................................................... 2-115
2-186. Current/High Resolution Oscillator Assembly Overview (A7)........ 2-121
2-187. Current Section ............................................................................ 2-122
2-199. High-Resolution Oscillator Section ............................................. 2-128
2-204. Rear Panel Assembly (A21) ............................................................. 2-130
2-205. Rear Panel Power Supplies .......................................................... 2-131
2-206. Rear Panel Address Mapping....................................................... 2-131
2-207. Clock Regeneration Circuit.......................................................... 2-132
2-208. IEEE-488 (GPIB) Interface.......................................................... 2-132
2-209. RS-232C Interface........................................................................ 2-132
2-210. Auxiliary Amplifier Interface ...................................................... 2-133
2-211. 5725A Interface............................................................................ 2-133
2-212. Phase Lock In/Variable Phase out................................................ 2-133
2-213. Rear Panel Relay Control............................................................. 2-134
2-214. Rear Panel CPU Interface ............................................................ 2-134
2-215. Wideband AC Module (Option -03)................................................. 2-135
2-216. Wideband Oscillator Assembly (A6) ........................................... 2-135
2-222. Wideband Output Assembly (A5)................................................ 2-138
3 Calibration and Verification................................................................ 3-1
3-1. Introduction........................................................................................... 3-3
3-2. Accessing the Fuse................................................................................ 3-4
3-3. Cleaning the Air Filter .......................................................................... 3-5
3-4. Cleaning the Exterior............................................................................ 3-6
3-5. Calibration ............................................................................................ 3-6
3-6. Calibrating the 5700A/5720A Series II to External Standards............. 3-6
3-7. Calibration Requirements................................................................. 3-7
3-8. When to Adjust the Calibrator’s Uncertainty Specifications ........... 3-7
3-9. Calibration Procedure....................................................................... 3-8
3-10. Range Calibration ................................................................................. 3-14
3-11. Calibrating the Wideband AC Module (Option 5700A-03) ................. 3-17
3-12. Performing a Calibration Check ........................................................... 3-20
3-13. Full Verification.................................................................................... 3-22
3-14. Required Equipment for All Tests.................................................... 3-23
3-15. Warm-up Procedure for All Verification Tests ................................ 3-23
3-16. Resistance Verification Test............................................................. 3-25
3-17. Two-Wire Compensation Verification ............................................. 3-27
3-18. DC Voltage Verification Test........................................................... 3-28
3-19. DC Voltage One-Tenth Scale Linearity Test ................................... 3-29
3-20. Direct Current Accuracy Verification Test ...................................... 3-30
3-21. AC Voltage Frequency Accuracy Test............................................. 3-31
3-22. Output Level Tests For AC V Ranges.............................................. 3-31
3-23. AC Current Test, 22 mA to 11A Ranges.......................................... 3-33
3-24. AC Current Test, 2 mA and 200 µA Ranges.................................... 3-36