Appendix D: Sample Waveform Library

Frequency Modulation Made with the equation editor. (FM.WFM)

Figure D"10: 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

 

￿utput time: 20 ms

 

 

AWG2021 User Manual

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