这些电路都分别由两个运算放大器和几个电阻所组成，不需外接电容，其输出波形良好。
Those waveform generators whose output waveforms are quite good are composed of a couple of operational amplifiers and several resistors without any capacitors.
本文简述了MF10开关电容滤波器的工作原理。介绍了利用MF10组成滤波器品质因数和外接电阻的计算方法。
This paper briefly introduces the principles of MF10 switched capacitor filter andpasentes the method of computing quality factor and external resistors.
适合于教学、会议、演出等各种电容麦克风使用场合，具有低噪特别设计，不会因外接电源变化而产生各种噪音。
Suitable for various kinds of occasion for teaching, meeting, lecture etc, it 's low noise design. do not create noise because of the power supply change.
适合于教学、会议、演出等各种电容麦克风使用场合，具有低噪特别设计，不会因外接电源变化而产生各种噪音。
Suitable for various kinds of occasion for teaching, meeting, lecture etc, it 's low noise design. do not create noise because of the power supply change.
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