Telecommunications – Receiver or analog modulated signal frequency converter – Local control of receiver operation
Patent
1997-11-10
2000-06-06
Bost, Dwayne D.
Telecommunications
Receiver or analog modulated signal frequency converter
Local control of receiver operation
4552491, 4552501, 375345, H04B 106
Patent
active
060729988
ABSTRACT:
The object of the present invention is to provide a radio receiver, having a high reception sensitivity, that can limit cross-modulation even during the transmission of a signal that is related to frame synchronization and that has a signal strength different from that of another channel, and that can take into consideration the deterioration of a received signal caused by thermal noise. A gain controller is provided that employs the quality of received data detected by an error detector and the magnitude of a signal output by a band-pass filter in order to determine whether cross-modulation has occurred, and that controls the degree of attenuation provided by a variable gain attenuator provided at the front end of a reception unit.
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Bost Dwayne D.
Maung Nay
NEC Corporation
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