发明授权
US5461340A Amplitude demodulator for radio receivers to compensate for field
strength influence
失效
用于无线电接收机的幅度解调器来补偿场强影响
- 专利标题： Amplitude demodulator for radio receivers to compensate for field strength influence
- 专利标题（中）： 用于无线电接收机的幅度解调器来补偿场强影响
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申请号： US288555申请日： 1994-08-10
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公开(公告)号： US5461340A公开(公告)日： 1995-10-24
- 发明人: Djahanyar Chahabadi , Lothar Vogt
- 申请人： Djahanyar Chahabadi , Lothar Vogt
- 申请人地址： DEX Stuttgart
- 专利权人： Robert Bosch GmbH
- 当前专利权人： Robert Bosch GmbH
- 当前专利权人地址： DEX Stuttgart
- 优先权： DEX4330891.0 19930911; DEX4409474.4 19940319
- 主分类号： H03D1/00
- IPC分类号： H03D1/00 ; H03D1/22 ; H04L27/06 ; H03D1/06
摘要：
In an amplitude demodulator for radio receivers, an intermediate frequency signal is converted into a digital intermediate frequency signal. The digital intermediate frequency signal is mixed into the baseband and amplitude demodulated. Either the intermediate frequency signal, or the amplitude demodulated signal, is controlled and amplified or attenuated so that the DC component of the amplitude demodulated signal is kept constant.
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