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2-27
Making Measurements
Measurements
Audio The audio function measures the audio frequency and voltage of the demodulated
signal from the mobile phone or from a number of other sources selectable using AF
Anl In (5), see Figure 2-14 on page 2-27.
Select AUDIO in the cell control screen to gain access to the audio function of the
Agilent 8922M/S.
The measurements of the audio voltage and frequency commence within a short
time of the screen being accessed.
The ac voltage (1) and the audio frequency (2) are the two main measurements made
in this screen. Additional measurements, such as DC Level, can be made by
selecting the AF Freq field. (2). The audio frequency generator (3) is used to
generate an audio signal from dc up to 25 kHz. The AF analyzer fields sets the
conditions for measuring the audio signal (4).
Figure 2-14 Audio Measurements
2
5
4
3
1