电感三点式振荡电路的作用

回答: 电感三点式振荡电路的作用是产生稳定的振荡信号。在电感三点式振荡电路中，通过电感和电容构成的谐振回路产生振荡信号，并通过反馈回路将一部分振荡信号反馈给放大器，从而维持振荡的稳定性。这种振荡电路常用于无线电通信、射频发射和接收等领域。它的优点是可以通过改变电容的方法来调整振荡频率，而不会影响反馈系数。然而，由于电感线圈对高次谐波呈现高阻抗，所以反馈电压中可能存在较多的高次谐波分量，导致输出波形较差。\[2\]
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