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Appendix D: Sample Waveform Library
AWG2021 User Manual
DĆ13
Made with the equation editor.
Figure DĆ10: Frequency Modulation Formula and Waveform
Constant k0 is the modulation signal frequency, k1 is the carrier frequency, and k2 is
the frequency deviation.
Description k0 is the frequency of the cosine wave that is used to modulate a sine wave
of frequency k1. To assure that the phases match when this waveform is
iterated, the carrier frequency times the modulating signal period is set to be
an integer. The modulation index is given by k2/k0.
Settings Waveform points: 2000
Clock frequency: 100 MHz
Output time: 20 ms
Frequency Modulation
(FM.WFM)