HP Cell Phone Accessories 8935 Manuale Utente
26
Chapter 1
Getting Started with AMPS Test
Display an FM Carrier Signal (Loopback Test)
Analyzing an FM Carrier Signal
1. Press the
RF Anl
key to go to the RF ANALYZER screen.
2. Select
Tune Freq
and use the keypad to set the frequency to
850.000 MHz. Notice that the Frequency Error, TX Power, FM
Deviation, and AF Frequency for the signal are automatically
displayed.
Deviation, and AF Frequency for the signal are automatically
displayed.
Figure 1-3
Default Digital Measurements for the FM Carrier
3. Press the
Spec Anl
key to go to the SPECTRUM ANALYZER screen.
4. The signal is displayed.
5. Select
Span
and set it to
30.000 kHz
to get a good view of the
modulated signal. See
Figure 1-4
FM Carrier Signal
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