Abstract: This paper presents an excellent PWM method for power conversion circuits. The proposed method is called a vector frequency modulation (VFM). VFM does not belong to any conventional PWM ...
The FM modulator circuit (frequency modulation) is built with a Motorola MC1648P oscillator. Two varactors, Motorola MV-209 are used to frequency modulate the oscillator. The 5000 Ω potentiometer is ...
Abstract: The function of a resistance modulator is to produce in an electric circuit a current which is a copy of an exciting impulse such as speech or light waves. The principal example is the ...
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