Configuring Am (Option Unt); To Set The Carrier Frequency; To Set The Rf Output Amplitude; To Set The Am Depth And Rate - Agilent Technologies E8257D PSG User Manual

Analog Modulation

Configuring AM (Option UNT)

Configuring AM (Option UNT)

In this example, you will learn how to generate an amplitude–modulated RF carrier.

To Set the Carrier Frequency

1. Press .
Preset
2. Press >
Frequency 1340

To Set the RF Output Amplitude

Press Amplitude > 0 > dBm

To Set the AM Depth and Rate

1. Press the hardkey.
AM
2. Press >
AM Depth 90
3. Press >
AM Rate 10
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 sine
wave. Notice that sine is the default selection for the
pressing .
(More 1 of 2)

To Turn on Amplitude Modulation

Follow these remaining steps to output the amplitude–modulated signal.
1. Press the
AM Off On
2. Press the front panel
The AM and RF ON annunciators are now displayed. This indicates that you have enabled amplitude
modulation and the signal is now being transmitted from the RF OUTPUT connector.

Configuring FM (Option UNT)

In this example, you will learn how to create a frequency–modulated RF carrier.

To Set the RF Output Frequency

1. Press .
Preset
2. Press >
Frequency 1
To Set the RF Output Amplitude
Press > >
Amplitude 0 dBm.
152
> .
kHz
.
> .
%
> .
kHz
softkey to On.
key.
RF On Off
> .
GHz
softkey, which can be viewed by
AM Waveform
Chapter 5