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kuan dai vhf qian zhi fang da qi
Author(s): 
Pages: 53
Year: Issue:  2
Journal: Practical Audio-Visual Technique

Keyword:  前置放大器高频放大器宽带调频广播接收机通信接收机提升器接收效果共基极业余波段频率范围;
Abstract: <正> 本电路将BF324 PNP晶体管接成共基极高频放大器,可用于灵敏度低下的VHF接收机作为输入射频信号的提升器,以改善接收效果,其适用的频率范围是75MHz~150MHz。 本电路两只电感的绕制方法是:L1用φ0.6mm漆包线在φ3钻头上密绕10圈脱胎而成;L2用同样漆包线在φ5钻
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