Procedure - HP 8560E Service Manual

Procedure

1. Connect the equipment as shown in
connect the HP 8482A Power Sensor to the HP 11667B Power
Splitter.
2. Zero and calibrate the HP 8902A/HP 8482A combination in log mode
(power levels read out in dBm) and connect the power sensor
through an adapter to the power splitter.
3. Place the WR PROT/WR ENA jumper on the A2 Controller assembly
in the WR ENA position.
4. Press on the HP 8560E/EC and set the controls as follows:
PRESET
Center frequency .............................. ......................... 10 MHz
Span ....................................................... .......................... 0 Hz
Resolution BW ................................................. .......... 300 kHz
Log/division ...................................................................... 2 dB
5. Press
INSTR PRESET
follows:
CW ...................................................................... ........ 10 MHz
Power level ................................................................. −4 dBm
6. Set ref level cal DAC to zero. Press
knob to set the value to 0. Press
7. On the HP 8560E/EC, press
, then
DATA FLATNESS
be displayed in the active function area. If the frequency displayed in
the active function area is not 10 MHz, press
displayed.
8. Enter the appropriate Power Sensor Calibration factor into the HP
8902A.
9. Set the HP 8340A/B
active function area of the HP 8560E/EC display. Adjust the HP
8340A/B POWER LEVEL for a −10 dBm reading on the HP 8902A.
Chapter 2
10. Frequency Response Adjustment
Figure 2-15 on page
on the HP 8340A/B and set the controls as
,
CAL REF LVL ADJ
STORE REF LVL
, ,
MKR CAL MORE 1 OF 2
. The current value of the RF Gain DAC should
output to the frequency indicated in the
CW
Adjustment Procedures
98. Do not
and use the
.
,
SERVICE CAL
⇓ ⇓
or until 10 MHz is
99