Figure A-7. 8500C/C+/8520C-36 Spectrum Accuracy Test Setup - Honeywell Chadwick-Helmuth 8500C Maintenance Manual

Appendix A - 8520C-36 Signal Selector
POWER SUPPLY 9100A
5-12 13-20 21-2829-36
1 2 3
A
B C
8520C-36
SIGNAL SELECTOR
SIGNAL GENERATOR
HP-8904A

Figure A-7. 8500C/C+/8520C-36 Spectrum Accuracy Test Setup

A.4.6 Testing 8520C-36 without Nacelle Harness Assembly
To use the 8520C-36 without a nacelle harness, you will need to make a special test cable so that you
can isolate individual 8520C-36 channels for testing. Fabrication instructions are shown in Figure A-8.
Figure A-9 shows where each channel is located on the 8520C-36 connectors. To use the cable, it is a
A-20 Chadwick-Helmuth A Business Unit of Honeywell International, Inc.
CABLE 10813
CABLE 10811
4
D
SIGNAL OUT
BNC T-CONNECTOR
8500C BALANCER/ANALYZER
BALANCER/ANALYZER
PRINT
A
SHOW/HIDE
B
MORE/KEYS
C
STATUS
BALANCE HELP 2 3
1
G
I
F . H
D : E
4 5 6
M
LOAD SETUP
SPECTRUM N O
K
# < L -
J
9
S 8
7
U
T
STORE
TRACK ANNOTATE
Q R /
% > 0
P
V
SPECTRUM ANALYZER
HP-3561A
SIGNAL INPUT
COAX
START
X
W
STOP
Y Z
MODEL 8500C
CHADWICK HELMUTH
E L M O N T E , C A L I F O R N I A
FILE: SPEC-36C.DRW