Pulse frequency modulation ( PFM ) is a type of pulse modulation in which the average value of the output parameter is controlled by changing the pulse repetition rate with an unchanged duration [1] .
Notes
- ↑ Panfilov, 1991 , p. 72.
Literature
- Panfilov I.P., Dyrda V.E. Theory of electrical communication. - M .: Radio and communications, 1991 .-- 344 p.