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Integrable circuit for signal processing of a in the uhf - region of operating radio - transmitter - receiver, in particular, of a cordless telephone
Integrable circuit for signal processing of a in the uhf - region of operating radio - transmitter - receiver, in particular, of a cordless telephone
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机译:用于超高频的信号处理的集成电路-工作无线电的区域-发射机-尤其是无绳电话的接收机
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摘要
A circuit is provided for time division duplexing with a frequency hopping technique and has a total of just two frequency synthesizers for the transmission and reception paths and only one up-converter in the transmission path. The UHF synthesizer frequency is additionally subjected to frequency division prior to insertion as a heterodyne frequency of the assigned converter in the transmission and reception paths, which, owing to the shorter transient recovery times, makes it possible to utilize the UHF frequency synthesizers at different frequencies for the transmission and reception slots, respectively. A particular application is in cordless telephones.
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