【摘要】 介绍了一种超外差式、音频编码体制的无线电遥控指令接收机。该接收机本振电路采用频率合成技术,频率稳定度高;AGC电路采用两级级联控制方式,控制效率高,动态范围大;音频通道使用MAX274有源滤波器,体积小;译码电路使用89C2051单片机,灵活方便。该接收机具有体积小、重量轻、性能优良、成本低廉、使用方便等特点。更多还原

【Abstract】 Introduces WY001 remote control super heterodyne receiver based on audio coding.The circuit of local oscillator introduces the technique of frequency synthesize which offers high frequency stability degree.The AGC circuit has good control efficiency and widely dynamic,which uses the two steps control fashion.The audio channel has a small volume,which makes use of MAX274 as active filter.Decoder has an advantage of vivid convenience,which makes use of 89C2051.WY001 remote control receiver has the advantages of low costs,little weight,small volume,good function and usage convenience.更多还原