发明公开
EP0434203A2 Cross-coupled mixer stage for zero IF radio
失效
Kreuzgekoppelte MischerstufefürZero-ZF-Funkempfänger。
- 专利标题： Cross-coupled mixer stage for zero IF radio
- 专利标题（中）： Kreuzgekoppelte MischerstufefürZero-ZF-Funkempfänger。
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申请号： EP90312306.5申请日： 1990-11-09
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公开(公告)号： EP0434203A2公开(公告)日： 1991-06-26
- 发明人: Rokos, George Hedley Storm
- 申请人： NORTHERN TELECOM LIMITED
- 申请人地址： World Trade Center of Montreal, 380 St. Antoine Street West 8th Floor Montreal, Quebec H2Y 3Y4 CA
- 专利权人： NORTHERN TELECOM LIMITED
- 当前专利权人： NORTHERN TELECOM LIMITED
- 当前专利权人地址： World Trade Center of Montreal, 380 St. Antoine Street West 8th Floor Montreal, Quebec H2Y 3Y4 CA
- 代理机构： Dennis, Mark Charles
- 优先权： GB8928439 19891216
- 主分类号： H03D7/14
- IPC分类号： H03D7/14
摘要：
An arrangement for mixing r.f. signals with local oscillator signals wherein r.f. signals are fed to two separate balanced amplifiers (11,12) the outputs of which are fed to two separate balanced mixer stages (13,14) together with balanced local oscillator signals in quadrature, wherein the two outputs from each amplifier are fed one to each mixer stage.
公开/授权文献
- EP0434203A3 Cross-coupled mixer stage for zero IF radio 公开/授权日：1991-10-09
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