Tektronix AFG3000 Series, User Manual

Page: 75 / 113

Operating basics
To Output an FSK
Waveform
Frequency Shift Keying modulation is a modulation technique that shifts the
output signal frequency between two frequencies: the carrier frequency and Hop
frequency.
1. Follow the steps described
in the To Output an AM
Waveform procedure to display
the modulation type selection
submenu. (See page 58,
Modulate a Waveform .)
In this example, select FSK as
the modulation type.
2. The FSK parameter setting
screen is displayed.
Select Internal or External as
FSK source.
3. If you select Internal, you can set
the FSK Rate.
If you select External, the FSK
Rate is ignored.
4. Set Hop Frequency.
Carrier waveform frequency
shifts to the Hop frequency with
the speci
fi ed FSK rate, and then
returns to the original frequency.
AFG3000 and AFG3000C Series User Manual 61