Appendix A
A
Keysight U8903B Service Guide
113
Test record for CMRR verification
NOTE
Use the test record below for the remaining test channels 3 and 4, channels 5 and 6, and
channels 7 and 8.
Table A-13
Test record for CMRR verification
U8903B input
range (V)
f
IN
(Hz)
Graph left edge
(Hz)
Graph right
edge (Hz)
F
CMRR
(Hz)
(Trace 1)
CMRR (dB)
(Trace 1)
F
CMRR
(Hz)
(Trace 2)
CMRR (dB)
(Trace 2)
0.32
500
300
800
0.32
1000
800
1200
0.32
10000
9800
10200
0.32
20000
19800
20200
1
500
300
800
1
1000
800
1200
1
10000
9800
10200
1
20000
19800
20200
3.2
500
300
800
3.2
1000
800
1200
3.2
10000
9800
10200
3.2
20000
19800
20200
10
500
300
800
10
1000
800
1200
10
10000
9800
10200
10
20000
19800
20200
32
500
300
800
32
1000
800
1200
32
10000
9800
10200
32
20000
19800
20200
100
500
300
800
100
1000
800
1200
100
10000
9800
10200
100
20000
19800
20200
140
500
300
800
140
1000
800
1200
Summary of Contents for U8903B
Page 1: ...Keysight U8903B Performance Audio Analyzer Service Guide ...
Page 12: ...12 Keysight U8903B User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Page 126: ...A Appendix A 126 Keysight U8903B Service Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Page 160: ...B Appendix B 160 Keysight U8903B Service Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Page 164: ...C Appendix C 164 Keysight U8903B Service Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...