The circuit of IC oscillating circuit-inductance three-point oscillator

Published:2011/6/13 21:49:00 Author:Seven | Keyword: IC oscillating circuit, inductance three-point oscillator | From:SeekIC

(1) the formation of inductance three-point oscillatorIn figure 1 is the principle diagram of the inductance three-point oscillator circuit. Seeing from the circuit, we know that the inductor of LC parallel resonance circuit has a front-end point, a middle point and a tail point, whose AC circuit connects with the collector electrode of the amplifier circuit, emitter(ground) and basic pole respectively, the feedback signal is from the voltage on the inductor L2, therefore, we conventionally call the circuit in Figure 1 the inductance three-point LC oscillating circuit, or the inductance feedback oscillating circuit.



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