Operating Basics
AFG3000 Series Quick Start User Manual
43
■ You can select an internal or external signal as an AM source. If you select an external source and set the modulation
depth to 120%, the output will be at the maximum amplitude when a ±1 V
p-p
signal is applied to the rear panel EXT
MODULATION INPUT connector.
■ You can select a modulation shape from the internal memory or USB memory.
To Output an FSK Waveform
Frequency Shift Keying modulation is a modulation technique that shifts the output signal frequency between two frequen-
cies: the carrier frequency and Hop frequency.
1. Follow the steps described on page 42
to display the modulation type selec-
tion submenu.
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 specified FSK
rate, and then returns to the original
frequency.
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