Anritsu MS2665C - Page 172

SECTION 6 PERFORMANCE TESTS
6-41
Step Procedure
9 Change the attenuator in 10 dB steps, set the reference level as shown in the table below and
read the marker level each time.
Reference level
setting
0 dBm
–10 dBm
–20 dBm
–30 dBm
–40 dBm
–50 dBm
–60 dBm
–70 dBm
–80 dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Error
Correction factor
of ATT
Marker
readout
10 Calculate the error from the following equation.
Error = Marker readout - reference level set value - correction factor of ATT