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Chapter 3 Features and Functions
Sum Modulation (Sum)
3
Modulating Source
The waveform generator will accept an internal or external modulation
source for Sum.
• Modulating source: Internal (default), Other Channel, or External.
• If you select the External source, the carrier waveform is summed with
an external waveform. The amplitude is controlled by the ±5 V signal
level present on the rear-panel Modulation In connector. For example,
if you have set the sum amplitude to 10%, then when the modulating
signal is at +5 V, the output will be at the maximum amplitude (110%
of carrier amplitude). When the modulating signal is at -5 volts, the
output will be at the minimum amplitude (90% of Carrier amplitude).
•
Front-Panel Operation
: After enabling Sum, press the
Source
softkey.
•
Remote Interface Operation
:
SUM:SOURce {INTernal|EXTernal|CH1|CH2}
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