Analogue Fm: Measuring The Level And Demodulating Signal - Promax US TV EXPLORER 2 User Manual

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USER'S MANUAL. US TV EXPLORER II
0
FREQ:
CH:
Figure 25.- FM carrier peak deviation.
On the screen appears the deviation peaks in order to observe if they are within a
suitable range limit valid for both, the receiver and the transmitter in the transmittting
system.

5.14.4 Analogue FM: Measuring the Level and demodulating signal

Press the Measurement Configuration
CONFIGURATION menu and turn the rotary selector [1] in order to select the analogue
FM signal. In the analogue FM measurement mode, the TV EXPLORER II / II+ display
works like an analogue level indicator showing the signal level present in the input.
10
FREQ:
CH:
Figure 26.- FM analogue signal measurement.
The instrument also demodule the FM carrier (radio) and allows to listen sound
through the loudspeaker [33].
10/2007
50
75
876.70
MHz
LEVEL:
42.3
C/N
V/A:
»
FM DEV:
30
50
70
90
110
103.80
MHz
» LEVEL:
56.6
FM DEV:
100
dBµV
0.7
dB
1.6
dB
41
kHz
[17] key to accede to the
130
dBµV
53
kHz
Page 51

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