Agilent Technologies 8590L Service Manual page 63

Making Adjustments
7. Log and Linear Amplifier
Procedure
1. Turn the analyzer
assembly.
2. Remove the first IF bandwidth filter assembly, A11. Install the IF
test board into the A11 slot. Turn the analyzer
3. Set the DMM to read dc volts.
4. Press the following analyzer keys.
PRESET
CAL, More 1 of 4
CORRECT ON OFF
SERVICE DIAG
STP GAIN ZERO
, 0,
SPAN Hz
, 10,
BW kHz
VID BW AUTO MAN
, 10,
AMPLITUDE
SCALE LOG LIN
5. Set the synthesizer as follows:
FREQUENCY ............................................. 21.4 MHz
MANUAL TUNE ................................................... ON
AMPTD INCR .............................................. 0.01 dBm
AMPLITUDE .................................................. −6 dBm
6. Connect equipment as shown in
the synthesizer to J2 of the IF test board. Connect the DMM to AUX
VIDEO OUT (located on the rear panel).
64
switch to OFF. Remove the instrument cover
LINE
(OFF),
More 2 of 4
, 300,
Hz
−dBm
(LIN)
Figure
switch to ON.
LINE
2-11. Connect the output of
Chapter 2