HP 4395A - Page 124

15. INPUT ATTENUATOR SWITCHING UNCERTAINTY TEST
Step Attenuator Calibration Value at 50 MHz
Attenuation Calibration Value
1
10 dB a1 = dB
20 dB a2 = dB
30 dB a3 = dB
40 dB a4 = dB
50 dB a5 = dB
1 : Incremental attenuation referenced to 0
dB setting.
Input Attenuator Switching Uncertainty
Input R
HP 4395A
Input Attenuation
HP 4395A Reading
[b]
Test Result
0dB dB b 0 a4+a5 =
20 dB dB b 0 a4+a3 =
30 dB dB b 0 a4+a2 =
40 dB dB b 0 a4+a1 =
50 dB dB b 0 a4 =
Input A
HP 4395A
Input Attenuation
HP 4395A Reading
[b]
Test Result
0dB dB b 0 a4+a5 =
20 dB dB b 0 a4+a3 =
30 dB dB b 0 a4+a2 =
40 dB dB b 0 a4+a1 =
50 dB dB b 0 a4 =
3-16 Calculation Sheet