Filter
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For the optional four channel analyzer, do the following to adjust filter flatness:
•
Set the power switch to on ( I ).
•
Press the following keys:
[
System Utility ]
[
MORE ]
[
SERVICE TESTS ]
[
ADJUSTMTS ]
[
CHANNEL 1 ADJUSTMNT ]
[
25 kHz ]
Wait for the analyzer to set up the adjustment. The analyzer is ready when
the adjustment message appears on the screen.
•
While monitoring the Yr: value, adjust A2 R115 in the lower slot for a
marker value of 0 ±0.1 dB.
•
Press the [ 50 kHz FLATNESS ] softkey.
Wait for the analyzer to set up the adjustment. The analyzer is ready when
the adjustment message appears on the screen.
•
While monitoring the Yr: value, adjust A2 R235 in the lower slot for a
marker value of 0 ±0.1 dB.
•
Press the following keys:
[
Rtn ]
[
CHANNEL 2 ADJUSTMNT ]
[
25 kHz FLATNESS ]
Wait for the analyzer to set up the adjustment. The analyzer is ready when
the adjustment message appears on the screen.
•
While monitoring the Yr: value, adjust A2 R115 in the upper slot for a
marker value of 0 ±0.1 dB.
•
Press the [ 50 kHz FLATNESS ] softkey.
Wait for the analyzer to set up the adjustment. The analyzer is ready when
the adjustment message appears on the screen.
•
While monitoring the Yr: value, adjust A2 R235 in the upper slot for a
marker value of 0
±0.1 dB.
Agilent 35670A Adjusting the Analyzer
To adjust filter flatness
5-19