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集成化微型无线对讲机林长浩本文介绍的微型无线对讲机由３块低压集成电路构成。它具有电路简单、制作容易、体积小巧、携带方便、工作电压低等特点，适用于需要近距离个人通信的场所。其工作频率在８８～１０８ＭＨｚ频段，即调频广播工作频段。一、电路工作原理如图所示...
Integrated mini-walkie-talkie Lin Changhao This article describes the mini-walkie-talkie consists of three low-voltage integrated circuits. It has a simple circuit, easy to make, small size, easy to carry, low voltage, suitable for applications requiring close personal communication. Its operating frequency in the 88 ~ 108MHz band, that is, FM radio band. First, the circuit works as shown ...