其中的选频网络一般可以设置在放大电路中，也可以设置在正反馈网络中。
The selecting frequency network usually located in the amplifying circuit, or located in the positive feedback network.
分析了用运算放大器组成正弦波振荡电路的起振条件和输出电压幅值的调节及选频网络的构成。
This paper is involved in the analysis of oscillation starting condition, output voltage amplitude adjustment, and frequency selection network composition of sinusoidal coave oscillation circuit.
自动选频功能的实现提高了移动网络的质量。
The function of selecting frequency automatically can make the mobile network better.
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