Agilent 35670A

Troubleshooting the Analyzer

 

To troubleshoot source and calibrator failures

Step 3. Check the periodic chirp output.

G

Press the following keys:

 

 

 

 

[ DC OFFSET ]

 

 

 

0

 

 

 

 

[ V ]

 

 

 

 

[ LEVEL ]

 

 

 

 

1

 

 

 

 

[ Vpk ]

 

 

 

 

[ PERIODIC CHIRP ]

 

 

 

Using an an oscilloscope and a 1:1 probe, check the following signal.

 

Oscilloscope Setup

Parameters

Waveform

 

 

 

 

 

 

 

 

 

Connect CH1 to A5 TP8

Amplitude

 

 

CH1 V/div

300 V/div

Time

 

 

Duty Cycle

 

 

Input Impedance

50

 

 

Pulse shape

 

 

CH1 Coupling

 

 

 

dc

Time

 

 

Probe Atten

 

 

 

1

Relationship

 

 

Display Mode

 

 

 

Repetitive

 

 

 

Averaging

off

 

 

 

Time/div

10 s/div

 

 

 

Trigger

Trg’d

 

 

 

 

 

 

 

Trig Src

Sweep

 

Periodic Chirp

Chan1

If the signal is incorrect, the A5 Analog assembly is probably faulty.

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Image 223
Agilent Technologies 35670-90066 manual Oscilloscope Setup Parameters Waveform