The voltage controlled oscillator circuit composed of CD4007

Published:2011/8/6 2:44:00 Author:nelly | Keyword: voltage controlled, oscillator | From:SeekIC

The voltage controlled oscillator is as shown. Through the low-pass filter Rl ~ R3, Cl～C2, this voltage controlled signal provides the varactor diode VDl ~ VD3 with DC voltage which will change with the frequency and phase. The output of the voltage controlled oscillator is composed of the inductor L, capacitor C3, C4 and varactor diode VDl ~ VD3 and integrated circuit IC (CD4007).



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