Voltage Controlled Oscillator Vco Circuit Diagram. The maximum frequency that can be changed is determined by th value of c2. It consists of a voltage controlled oscillator vco and the phase detector.
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This circuit is based on hartley oscillator. The below figure illustrates the basic operation of a vco. The oscillation frequency will change as the change of the capacitance in the varactor bb132 by the vtuning voltage.
Vco voltage controlled oscillator voltage controlled oscillator is a type of oscillator where the frequency of the output oscillations can be varied by varying the amplitude of an input voltage signal.
The oscillation frequency will change as the change of the capacitance in the varactor bb132 by the vtuning voltage. There are many types of vco circuits. The frequency depend on the value of c1 and l1. Or may be used in feedback network routing a sufficient amount of the active device s output signal to an.
