Appendix A
A
Keysight U8903B Service Guide
117
Test record for residual noise verification
Test record for wideband sine wave flatness verification
NOTE
The residual noise verification applies to all channels. Use the test record below for the
remaining test channels to be tested.
Table A-17
Test record for residual noise verification
Noise
avg
(dB)
(Channel 1)
Noise
avg
(dB)
(Channel 2)
Table A-18
Test record for wideband sine wave flatness verification
V
IN
(V)
U8903B
input range
(V)
Digital
multimeter
range (V)
f
IN
(Hz)
V
DMM
(V)
(Channel 1)
V
DMM
(V)
(Channel 2)
V
DUT
(Vrms)
(Channel 1)
V
DUT
(Vrms)
(Channel 2)
AC accuracy
(dB)
(Channel 1)
AC accuracy
(dB)
(Channel 2)
0.2
0.32
1
1000
0.2
0.32
1
20
0.2
0.32
1
50
0.2
0.32
1
100
0.2
0.32
1
500
0.2
0.32
1
2250
0.2
0.32
1
5250
0.2
0.32
1
10000
0.2
0.32
1
30000
0.2
0.32
1
50000
0.2
0.32
1
70000
0.2
0.32
1
90000
0.2
0.32
1
95000
0.2
0.32
1
100000
0.2
0.32
1
200000
0.2
0.32
1
300000
Summary of Contents for U8903B
Page 1: ...Keysight U8903B Performance Audio Analyzer Service Guide ...
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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 ...