atqijamming__oscillator
于 2019-03-26 发布
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代码说明：
说明： ISD1420为美国ISD公司出品的优质单片语音录放电路,由振荡器,语音存储单元,前置放大器,自动增 益控制电路,抗干扰滤波(ISD1420 is a high-quality single chip voice recording and playback circuit produced by ISD Company of the United States. It consists of oscillator, speech memory unit, preamplifier, automatic gain control circuit and anti-jamming filter.)
文件列表：
M5ISD1420P[1].pdf, 172324 , 2008-08-27
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