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发明名称
电网调频载波、无线频幅收录机
摘要
一种电网调频载波、无线频幅收录机,配合电网调频载波发送机使用。放置于电网调频广播信号感应场中用电信号录音。本实用新型电路是将现有无线调频调幅收录机改制而成。对应调频载频收录。在调频接收电路增加了电网调频载波输入回路、电网调频载波高放调谐回路及电网调频波载频本振回路,同时增加了无线调频和电网调频载波转换开关,以转换控制。
申请公布号
CN2102588U
申请公布日期
1992.04.22
申请号
CN90213324.1
申请日期
1990.05.17
申请人
李铁铮
发明人
李铁铮
分类号
H04H9/00
主分类号
H04H9/00
代理机构
代理人
主权项
1、一种电网调频载波无线频幅收录机,电路是将现有无线调频调幅收录机改制而成,其特征在于:在原调频电路中增加了电网调频载波输入回路、电网调频载波高放调谐回路及电网调频波载频本振回路,就是电网调频载波和无线调频信号各有其回路,同时增加了无线调频和电网调频转换开关。
地址
121200辽宁省锦县电视转播台
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