HP 8901B Operation And Calibration Manual page 418

Model 8901B
Adjustments
Adjustment 17
TRACK-TUNE MODE OFFSET
0
Service Sheet
20
Description
The Modulation Analyzer is tuned to
a
signal and put in the track-tune mode. The frequency of the
IF is measured and the offset is adjusted
to
bring the frequency
to
within f20 kHz of 1 . 5 MHz.
Procedure
1 . Connect the CALIBRATION
R F '
POWER OUTPUT
to
the INPUT. (The CALIBRATION
RF'
POWER OUTPUT can be connected either
to
a sensor module or directly to the Modulation
Analyzer's INPUT.)
2. Press the blue key then press INSTR PRESET (the AUTOMATIC OPERATION key) to preset
the instrument. Key in 45.16 SPCL to
turn
on the
F W
power calibrator. (This provides a signal
for the Modulation Analyzer's input.)
3 . Key i n 34.0
SPCL
to set
the instrument
to
measure the
IF
frequency. Press TRACK MODE.
4.
Adjust A20R1 (TRK
OFS)
for a display between 1.480 and 1.520 MHz.
Adjustment 17
5-27