Agilent Technologies 35670A Service Manual page 267

Agilent 35670A
For the optional four channel analyzer, do the following to adjust filter flatness:
G
• 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
marker value of 0 ±0.1 dB.
• Press the [
50 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
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
marker value of 0 ±0.1 dB.
• Press the [
50 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
marker value of 0
]
]
]
]
value, adjust A2 R115 in the lower slot for a
Yr:
] softkey.
value, adjust A2 R235 in the lower slot for a
Yr:
]
]
value, adjust A2 R115 in the upper slot for a
Yr:
] softkey.
value, adjust A2 R235 in the upper slot for a
Yr:
±
0.1 dB.
Adjusting the Analyzer
To adjust filter flatness
5-19