Electronics Infoline Web

Angle and Pulse Modulation

An outstanding online course covering pulse modulation, PSK, and FSK that starts from scratch and builds up to near-expert level material.

http://www.tpub.com/neets/book12/49.htm

Current amp provides frequency modulation

generates a 55-MHz VHF signal.

http://www.edn.com/archives/1997/120497/25di_01.htm

What is PWM and why is it useful?

http://www.4qdtec.com/beginners/pwmhow.html