HP 8562E, Service Manual

Page: 98 / 482

15. External Mixer Amplitude Adjustment (Non-Option 327)
Synthesized sweeper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP
Measuring receiver
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 8902A
Power sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 8481D
50 MHz reference attenuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 11708A
(supplied with HP
Adapters
Type N (f) to SMA (f) . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1250-1772
Type N (m) to BNC (f) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1250-1476
Type APC 3.5 (f) to APC 3.5 (f) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5061-5311
Cables
(48in) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 10503A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...8120-1578
1.
2.
3.
4.
5.
6.
7.
Press to turn the spectrum analyzer off and disconnect the power cord. Remove the
spectrum analyzer cover and reconnect the power cord.
Set up the equipment as illustrated in Figure 2-24. Do not connect the SMA cable to the
spectrum analyzer.
Move the WR PROT/WR jumper on the A2 controller assembly to the WR
position. The jumper is on the edge of the A2 board assembly and can be moved without
folding the board down.
Press [LINE) to turn the spectrum analyzer on. On the spectrum analyzer, press
EXT MXR , (UNPR), EXTERNAL MIXER , CORRECT , then
CNV .
Press or to display the conversion loss value for each frequency listed in Table 2-12.
Record any conversion loss reading
not
equal to 30 in Table 2-12 at the appropriate
frequency.
If all conversion loss values equal 30 skip to step 7, otherwise continue to step a.
a. Refer to Table 2-12 and press or to select a frequency at which the conversion
loss value does not equal 30
b. Use the spectrum analyzer front-panel keys to set the conversion loss value to 30
c. Repeat steps a and b for all frequencies having a conversion loss value other than
30
Press
PRESET
)
on the HP and set the controls as follows:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power level . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30
2-58 Adjustment Procedures