Using Functions ESG Family Signal Generators
Setting Up Internally Generated Amplitude Modulation
2-6
User’s Guide
Setting the AM Rate
1. In the same AM menu, press the AM Rate softkey. AM rate becomes the active function
and the normal preset value for AM rate is displayed in the active entry area.
2. Enter 10 kHz using the numeric keypad and pressing the
kHz terminator softkey. The
new AM rate is displayed below the
AM Rate softkey. You should see 10.0000 kHz in the
second line of the softkey.
Turning On Amplitude Modulation
The signal generator is now configured to output a 0 dBm, amplitude-modulated carrier at
1340 kHz with the AM depth set to 90% and the AM rate set to 10 kHz. The shape of the
waveform is a sinewave (notice that sine is the default for the
AM Waveform softkey). Follow
these remaining steps to output the amplitude-modulated signal.
1. In the same AM menu, press the
AM Off On softkey. AM toggles from Off to On. Notice,
also, that the
AM display annunciator is turned on indicating that you have enabled
amplitude 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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