HP 4395A - Page 111

3. NON-SWEEP POWER LINEARITY TEST
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.
Reference (0 dBm)
HP 4395A
Source Power
Power Meter Reading
[b]
Reference
[ref]
0 dBm dBm b+a3 = dBm
Non-Sweep Power Linearity
HP 4395A
Source Power
Power Meter Reading Test Result
[b]
15 dBm dBm b+a5 0 ref 0 15= dB
10 dBm dBm b+a4 0 ref 0 10= dB
0 10 dBm dBm b+a2 0 ref+10= dB
0 20 dBm dBm b+a1 0 ref+20= dB
0 30 dBm dBm b+a1 0 ref+30= dB
0 40 dBm dBm b+a1 0 ref+40= dB
0 50 dBm dBm b+a1 0 ref+50= dB
Note
Calculate ref in the calculation sheet for the reference (0 dBm) rst. Then
calculate test results using the equation and the value of
ref .
Calculation Sheet 3-3