摘要
介绍了 ISD40 0 4的原理、特点、功能和其在智能控制系统中的应用。ISD40 0 4是一种采用 Cchip Corder专利技术的语音芯片 ,片内集成了晶体震荡器、麦克前置放大器、自动增益控制等 ,只要很少的外围器件 。
ISD4004 is a voice chip that uses the patent technique of CchipCorder. The crystal oscillator, mike preamplifier, automatic gain control and so on are collected in this chip. Just need few of peripherals; it can form a complete recorded and playing system of voice. The article introduced the principle, characteristic, function of ISD4004 and its application in intelligent control system.
出处
《现代电子技术》
2001年第9期78-81,共4页
Modern Electronics Technique
