The utility model discloses an anti interference type loudspeaker circuit, mainly solves the loudspeaker device in the prior art complex structure, high cost, raising the problem of unsatisfactory results. The interference type loudspeaker circuit comprises a current transformer L, the input end is connected with the current transformer L is composed of four connected diode bridge rectifier U1, T type filter circuit input end of the rectifier bridge is connected to the U1, including T1 operational amplifier inverting input and output end of the T type filter circuit connected, T2 operational amplifier output end of the horn U2 and T1 operational amplifier connected to the output end. Through the scheme, the utility model has better anti-interference ability and sound effect with low cost and small volume, has very high practical value and popularization value.
【技术实现步骤摘要】
【技术保护点】
抗干扰型扬声电路,包括电流互感器L,输入端与电流互感器L相连的由四个相互连接的二极管构成的整流桥U1,输入端与整流桥U1相连的T型滤波电路,其特征在于,还包括同相输入端与T型滤波电路的输出端相连的运算放大器T1,输出端通过喇叭U2与运算放大器T1的输出端相连的运算放大器T2。
【技术特征摘要】
【专利技术属性】
技术研发人员:黄欢,
申请(专利权)人:成都果范创想科技有限公司,
类型:实用新型
国别省市:
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