Agilent Technologies 35670-90066 manual Cpu

Agilent 35670A	Troubleshooting the Analyzer
	To troubleshoot performance test failures

Failing Performance Test	Probable Faulty Assembly		Adjustment	Troubleshooting Test
	(in order of probabilty)
Amplitude linearity	A1/A2 Input		Input dc offset, page 5-10	Input and ADC, page 4-51
one channel	A5	Analog	ADC gain, offset, and	Four channel, page 4-54
			reference, page 5-7
Amplitude linearity	A2	Input	Input dc offset, page 5-10
channel 1 and 3 or
channel 2 and 4
Amplitude linearity	A5	Analog	Input dc offset, page 5-10
all channels			ADC gain, offset, and
			reference, page 5-7
Amp_phase match	A1/A2 Input			Source and calibrator,
	A5	Digital		page 4-45
	A6	Digital
A-weight filter	A1/A2 Input
Anti-alias filter	A1/A2 Input		Filter flatness, page 5-17
Frequency accuracy	A7	CPU	Frequency reference, page 5-5
Input coupling	A1/A2 Input
Single ch phase accuracy	A10 Rear Panel			Trigger, page 4-62
	A5 Analog
	A6	Digital
External trigger	A10 Rear Panel			Trigger, page 4-62
	A5 Analog
Input resistance	A1/A2 Input
Input capacitance	A1/A2 Input
Harmonic distortion	A1/A2 Input			Input and ADC, page 4-51
one channel	A5	Analog		Four channel, page 4-54
Harmonic distortion	A2	Input
channel 1 and 3 or
channel 2 and 4
Harmonic distortion	A5	Analog	ADC gain, offset, and
all channels			reference, page 5-7
Intermodulation distortion	A1/A2 Input			Input and ADC, page 4-51
one channel	A5	Analog		Four channel, page 4-54
Intermodulation distortion	A2	Input
channel 1 and 3 or
channel 2 and 4
Intermodulation distortion	A5	Analog	ADC gain, offset, and
all channels			reference, page 5-7

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