3.4 TX Measurement Mode
3-41
3
Measurement
1st-Filter De-Emphasis
■
Summary
Executes De-Emphasis for the demodulated AF signal on FM
modulation measurement of the transmission measurement.
■
Options
Off Does not use De-Emphasis Filter.
750 us Uses De-Emphasis Filter of 750
s.
500 us Uses De-Emphasis Filter of 500
s
75 us Uses De-Emphasis Filter of 75
s
50 us Uses De-Emphasis Filter of 50
s
25 us Uses De-Emphasis Filter of 25
s
2nd-Filter
■
Summary
Applies Band Pass Filter for the AF signal demodulated according
to the modulation method for the transmission measurement.
■
Options
Off Does not use Band Pass Filter.
ITU-T P.53 (CCITT)
Uses Band Pass Filter defined in ITU-T
P.53/O.41.
C-Message Uses Band Pass Filter defined in C-Message.
CCIR-468 Uses the weighting defined in CCIR-468.
CCIR-ARM Uses the weighting defined in CCIR-ARM.
A-Weighting Uses A-weighting defined in IEC 61672.
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