User Manual

MM102225V1, Rev. B
49
6.4 ANTENNA 20DB QUIETING TEST (MANDATORY)
Objective: This test measures the susceptibility of the site to de-sense resulting from
site-specific interference.
STEPS ACTION MISCELLANEOUS
1.
On the HP 8920, select the RF GEN screen
and set the following configuration:
RF Gen Freq: Set for the receive
frequency of the RF path
under test. (45MHz
below the Transmit
Frequency recorded in
data collection sheet. The
set frequency will be in
the range from 806-824
MHz.
Amplitude: Off
Output Port: RF Out
AFGen1 To: Off
AFGen2 To: Off
AC Level: Set to dBm plus 10
sample averaging
2.
Select the AFANL screen and set the
following configuration:
AF Anl In: Audio In
Filter 1: 50Hz HPF
Filter 2: 15kHz LPF
De-Emphasis: Off
Detector: Pk+-/2
3.
Select the RF GEN screen and place the
cursor on the Amplitude field.