In typical R-L-C resonance circuit, the 555-time-circuit and mercury relay are used as control unit. A damped sinusoid source is designed. It has been proved that the source satisfies our request.
在典型的R L C振荡放电电路中，引入5 5 5时基电路和水银继电器作为控制电路，设计了阻尼正弦瞬变信号发生器。
The technical scheme of the utility model is as follows: a telecontrol transmitter IC1 is connected with a speaker L of a vehicle control circuit to form a control transmission circuit;
其技术方案是：在车辆控制 电路的喇叭L上并联遥控发射器IC1组成控制发射电路；
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