采用调频收音机集成块TA7378P制作调频无线话筒,外接元件很少、简单易制、工作稳定,特别适合无线电爱好者制作。如图为调频无线话筒的具体电路, ICl(TA7378P)内含RF放大器...
分类:音频处理 时间:2008-08-17 阅读:3284
Both transistors are low noise types. In the original circuit, I used BC650C which is an ultra low noise device. These transistors are now hard to find but BC10...
分类:音频处理 时间:2007-09-29 阅读:2331


























