Fluke service manual 5700A/5720A Series, How the DAC is Used in Calibration

5700A/5720A Series II

Service Manual

2-113.	ADC Amplifier	2-69
2-114.	ADC Input Selection	2-69
2-115.	ADC Circuit	2-70
2-116.	How the DAC is Used in Calibration	2-72
2-117.	DAC Assembly Calibration	2-72
2-118.	Oscillator Section Overview	2-73
2-119.	Oscillator Control Assembly (A12)	2-73
2-120.	Oscillator Control Digital Control	2-74
2-121.	Oscillator Input Switching	2-74
2-122.	Sense Current Cancellation	2-74
2-123.	Averaging Converter	2-75
2-124.	Error Integrator	2-75
2-125.	Three-Pole Filter	2-75
2-126.	Analog Amplitude Control Loop	2-75
2-127.	AC/DC Thermal Transfer Circuit	2-77
2-128.	Oscillator Calibration	2-79
2-129.	AC/DC Frequency Response Characterization	2-80
2-130.	Oscillator Output Assembly (A13)	2-80
2-131.	Oscillator Output Digital Control	2-82
2-132.	Quadrature RC Oscillator	2-82
2-133.	Oscillator Amplitude Control	2-83
2-134.	Phase−locked Loop	2-83
2-135.	2.2V and 22V Range Output Amplifier	2-84
2-136.	Oscillator Wideband Smd Assembly (A13A1)	2-84
2-137.	Output Stage	2-85
2-138.	Phase Shifter	2-85
2-139.	Power Amplifier Assembly (A16)	2-85
2-140.	Power Amplifier Digital Control Sip Assembly (A16A1)	2-86
2-141.	PA Common Circuitry	2-87
2-142.	+PA and -PA Supplies	2-87
2-143.	PA Input Stage	2-87
2-144.	PA Mid Stage	2-88
2-145.	PA Output Stage	2-88
2-146.	PA Sense Current Cancellation Circuitry	2-89
2-147.	PA in Standby	2-89
2-148.	PA Operation: 220V DC Range	2-89
2-149.	PA Operation: 220V AC Range	2-91
2-150.	High Voltage Assembly Support Mode	2-91
2-153.	220V DC Internal Calibration Network	2-92
2-154.	PA Calibration	2-92
2-155.	High Voltage Assemblies (A14 and A15)	2-96
2-156.	1100V AC Range	2-96
2-157.	1100V DC Range	2-98
2-158.	HVDC Power Supply Filter Circuit	2-98
2-159.	HV DC Output Series Pass and Current Limit Circuit	2-98
2-160.	DC HV Amplifier/AC Sense Buffer	2-100
2-161.	2.2A Range	2-100
2-162.	2.2A Power Supply Filter Circuit	2-102
2-163.	High Voltage Digital Control	2-103
2-164.	High Voltage Calibration	2-104
2-165.	Calibration of the AC Function	2-104
2-166.	Calibration of the Current Function	2-106
2-167.	High Voltage Magnitude Control	2-106
2-168.	Ohms Overview	2-108

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