Keysight U8903B, Service Manual

Page: 112 / 165

A Appendix A
112 Keysight U8903B Service Guide
Test record for crosstalk verification
500
1000
5000
10000
50000
90000
Table A-11 Test record for phase accuracy verification (continued)
f
IN
(Hz)
Phase accuracy ( ° )
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-12 Test record for crosstalk verification
V
IN
(V)
U8903B input range (V)
f
DUT
(Hz)
Crosstalk (dB)
(Channel 1 to Channel 2)
Crosstalk (dB)
(Channel 2 to Channel 1)
0.32 0.32 1000
0.32 0.32 20000
1 1 1000
1 1 20000
3.2 3.2 1000
3.2 3.2 20000
10 10 1000
10 10 20000
32 32 1000
32 32 20000
100 100 1000
100 100 20000
140 140 1000
140 140 20000