Keysight U8903B, Руководство по обслуживанию

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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