摘要
介绍了一种新奇的无源RC带通选频电路,与传统的无源RC带通选频电路相比,该电路独特的优点是电压传输函数大于1。用该电路构成的正弦波振荡器不再需要放大器电路,只需要一个射极输出器。由于用了射极输出器,该电路有极强的负载能力,因而电路极为简洁。对该电路进行了详尽的数学分析,并通过实验证实了其理论的正确性。
It presents a new RC passive bandpass network. Excellent advantage of the network is that output voltage of signal is bigger than input voltage. If sinusoidal oscillator is constructed by this network, it needs only one emitter follower. This oscillator has an excellent ability of undertaking load. It gives detail on the mathematical analysis of this network. The experimental results verify validity of the theory.
