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Modulation, Sweep modulation – GW Instek AFG-100/200 Series Quick Start Guide User Manual

Page 10

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Modulation

The following will describe how to modulate a carrier
waveform (shape) with the basic waveform shown
previously.

1.

Select a basic waveform as shown previously.
This will be used as the modulating (baseband)
signal.

2.

Press MOD from the bottom menu. Press MOD
on the side menu and toggle MOD On.

3.

Select the type of modulation on the side menu:
AM, FM, FSK, PM, SUM.

4.

Set the parameters for the chosen modulation
type from the side menu.

Sweep Modulation

The following will describe how to create a single
sweep waveform.

1.

Press Sweep from the bottom menu. Press Sweep
on the side menu and toggle Sweep On.

2.

Press Type and select Linear or Log.

3.

Press Start to set the start frequency, press Stop to
set the stop frequency.

4.

Press SWP Time and set the sweep time.

5.

Press Span to set the Span.

6.

Press Center to set the sweep center frequency.

7.

To set Markers, Press Marker, toggle Marker On
and press Frequency to set the marker frequency.