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7
Chapter 7 Tutorial
Modulation
Amplitude Modulation (AM) The function generator implements a
form of AM called "double-sideband transmitted carrier." This is the type
of modulation used by most AM radio stations.
Amplitude Modulation
The amount of amplitude modulation is called the modulation depth which
refers to the portion of the amplitude range that will be used by the
modulation. For example, a depth setting of 80% causes the amplitude to
vary from 10% to 90% of the amplitude setting (90% – 10% = 80%) with
either an internal or a full-scale (±5V) external modulating signal.
338
Modulating Signal
Modulated Carrier
(100% depth shown)
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