Using Functions ESG Family Signal Generators
Setting Up Internally Generated Frequency Modulation
2-8
User’s Guide
Setting the FM Rate
1. In the same FM menu, press the FM Rate softkey. FM rate becomes the active function
and the normal preset value for FM rate is displayed in the active entry area.
2. Enter 10 kHz using the numeric keypad and pressing the
kHz terminator softkey. The
new FM rate is displayed below the
FM Rate softkey. You should see 10.0000 kHz in the
second line of the softkey.
Turning On Frequency Modulation
The signal generator is now configured to output a 0 dBm, frequency-modulated carrier at
104.9 MHz 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
frequency-modulated signal.
1. In the same FM menu, press the
FM Off On softkey. FM toggles from Off to On. Notice,
that the
FM display annunciator is turned on indicating that you have enabled frequency
modulation.
2. Press the front panel
RF On/Off key to toggle RF on. Notice that the display annunciator
changes from
RF OFF to RF ON. The modulated signal is now available at the RF
OUTPUT connector.
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