HP 8560E Service Manual

Chapter 2 111
Adjustment Procedures
15. External Mixer Amplitude Adjustment
Equipment
Synthesized sweeper....................................................HP8340A/B
Measuring receiver .........................................................HP8902A
Power sensor. .....................................................HP 8484A,8481D
50 MHz reference attenuator ......................................HP11708A
(supplied with HP 8481D)
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
BNC, 122 cm (48 in).....................................................HP10503A
SMA, 61 cm (24 in).........................................................8120-1578
Procedure
1. Press LINE to turn the spectrum analyzer off and disconnect the
power cord. Remove the spectrum analyzer cover and reconnect the
power cord.
2. Set up the equipment as illustrated in Figure 2-21 on page 110. Do
not connect the SMA cable to the HP 8560E/EC.
3. Move the WR PROT/WR ENA jumper on the A2 Controller assembly
to the WR ENA position. (The jumper is on the edge of the A2
controller assembly and can be moved without folding the board
down.) Press
LINE to turn the spectrum analyzer on.
4. On the HP 8560E/EC, press
AUX CTRL, EXTERNAL MIXER, AMPTD
CORRECT, then CNV LOSS VS FREQ.
5. On the HP 8560E/EC, press
CAL, MORE 1 OF 2, SERVICE
CAL DATA, 3RD IF AMP, and CAL 3RD AMP GAIN. Wait until the
message ADJUSTMENT-DONE appears in the active function block.
NOTE Perform steps 6 through 13 only if the HP 8560E/EC does not have
Option 002.
6. Press
⇓ or ⇓ to display the conversion loss value for each frequency
listed in Table 2-12 on page 112. Record any conversion loss reading
not equal to 30 dB in Table 2-12 on page 112 at the appropriate
frequency.
7. If all conversion loss values equal 30 dB, skip to step 8, otherwise
continue to step a.
a. Refer to Table 2-12 on page 112 and press
⇓ or ⇓ to select a
frequency at which the conversion loss value does not equal 30
dB.

HP 8560E Specifications

General

Brand	HP
Model	8560E
Category	Measuring Instruments
Language	English