<?xml version="1.0" encoding="gb2312"?><rss version="2.0"><channel><title>wswh2o的博客</title><link></link><description></description><language>zh-cn</language><generator>Goodspeed Rss</generator><ttl>2</ttl><pubDate>Sat, 17 May 2008 21:19:12 GMT</pubDate><category></category><copyright></copyright><docs></docs><item><title>驻极体话筒使用</title><pubDate>Sun, 30 Sep 2007 14:21:10 GMT</pubDate><link>http://blog.ednchina.com/wswh2o/49922/message.aspx</link><description> 今天由于要找一个话筒的资料.所以就此机会.发上来一个使用方法...高手就不用看了.HE EH...这里的图片是在网上下载的...这上面详细的介绍了话筒的内部电路...由一个场效应管.一个保护二极管.和随声音改变电容大小的驻极体振荡膜组成...振荡膜构成一个电容...当有声音时候,就能改变电容两端电</description><comments></comments><guid>http://blog.ednchina.com/wswh2o/49922/message.aspx</guid><category></category><author>wswh2o</author></item><item><title>IEEE1284并口标准</title><pubDate>Sun, 30 Sep 2007 14:08:35 GMT</pubDate><link>http://blog.ednchina.com/wswh2o/49919/message.aspx</link><description></description><comments></comments><guid>http://blog.ednchina.com/wswh2o/49919/message.aspx</guid><category></category><author>wswh2o</author></item></channel></rss>