檢視调谐放大器的原始碼

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|<center>'''调谐放大器'''<br><img
src=" https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fwww.baiven.com%2Fuploads%2Fbaike%2F0%2F7591y693820_15878.jpg&refer=http%3A%2F%2Fwww.baiven.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1658832428&t=1539f271f72dd504974967cc99f33a1d" width="280"></center><small>  圖片來自百度</small> 
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[[调谐放大器]]是指以谐振回路作负载的放大器，即以[[电容器]]和[[电感器]]组成的[[回路]]为负载，增益和负载阻抗随频率而变的放大电路。当要求其中心频率能在某个频率范围内任意调节时，可由机械调谐（可变电容器或可变电感器）或电调谐（变容二极管）实现。 <ref>[[《通信机世界》报社等．《移动通信词典》：电子科技大学出版社，1996]]</ref>