Specifications

15
Activating FM
The signal generator is now config-
ured to output a 0 dBm, frequency-
modulated carrier at 4 GHz with the
FM deviation set to 75 kHz and the
FM rate set to 10 kHz. The shape of
the waveform is a sinewave. (Notice
that sine is the default for the FM
Waveform softkey. Press More (1 of
2) to see the softkey.) Follow these
remaining steps to output the fre-
quency-modulated signal.
Instruction Note
1. Press [FM Off On]. The FM annunciator is activated, indicating that
you have enabled frequency modulation.
2. Press [RF On/Off]. The RF ON annuciator is activated, indicating that
the signal is now available at the
RF OUTPUT connector.
Instruction Note
1. Press [Preset].
2. Press [Frequency] > [4] > {GHz}. The Center FREQUENCY area of the display now
reads
4.000 000 00 GHz.
3. Press [Span] > [350] > {kHz}. The Span area of the display now reads 350 kHz.
The display on the PSA should now match Figure 3.
Viewing the signal on an Agilent E4440A
PSA spectrum analyzer
Figure 3:
FM