VORRICHTUNG ZUR FREQUENZERZEUGUNG ZUR ANWENDUNG BEI DIGITALEN SCHNURLOSEN TELEFONGERÄTEN

VORRICHTUNG ZUR FREQUENZERZEUGUNG ZUR ANWENDUNG BEI DIGITALEN SCHNURLOSEN TELEFONGERÄTEN

A digital cordless telephone (24) is implemented in an integrated circuit chip set having one or more chips for converting the digital signal into an analog signal, modifying the frequency of the analog signal for transmission, up converting the frequency for transmission, down converting the freque...

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Bibliographische Detailangaben
Hauptverfasser: RHODES, MATTHEW, BJEREDE, E, PETRANOVICH, E, LIPOWSKI, T
Format: Patent
Sprache:ger
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
SELECTING RESONANT CIRCUITS
TELEPHONIC COMMUNICATION
TRANSMISSION
TUNING RESONANT CIRCUITS
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Beschreibung
Zusammenfassung:A digital cordless telephone (24) is implemented in an integrated circuit chip set having one or more chips for converting the digital signal into an analog signal, modifying the frequency of the analog signal for transmission, up converting the frequency for transmission, down converting the frequency for reception and for amplifying and switching the transmit and receive paths. It is preferred for the chip set to include a base chip (26), an intermediate frequency chip (28), an RF chip (30) and an amplifier chip (32). The invention also uses a frequency translation scheme to be utilized in conjunction with the various chips.