Analog Modulation
Configuring FM
Configuring FM
In this example, you will learn how to create a frequency-modulated RF carrier.
To Set the RF Output Frequency
Preset
1. Press
.
Frequency
1
2. Press
>
To Set the RF Output Amplitude
Amplitude
0
dBm.
Press
>
>
To Set the FM Deviation and Rate
FM/ M
1. Press the
hardkey.
FM Dev
75
2. Press
>
>
FM Rate
10
3. Press
>
>
The signal generator is now configured to output a 0 dBm, frequency-modulated carrier at 1 GHz with a
75 kHz deviation and a 10 kHz rate. The shape of the waveform is a sine wave. (Notice that sine is the
FM Waveform
default for the
To Activate FM
FM Off On
1. Press
to On.
RF On/Off
2. Press
.
The FM and RF ON annunciators are now displayed. This indicates that you have enabled frequency
modulation and the signal is now being transmitted from the RF OUTPUT connector.
80
GHz
>
.
kHz
.
kHz
.
More (1 of 2)
softkey. Press
to see the softkey.)
Chapter 4