Transmitter/receiver for a TDMA system using common IF SAW filte

Telecommunications – Transmitter and receiver at same station – With transmitter-receiver switching or interaction prevention

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455 84, 455307, 370280, H04B 144

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active

057015945

ABSTRACT:
A radio frequency circuit for a TDMA mobile telephone system allows bulky and expensive IF filters to be saved by sharing common filters between transmit and receive channels by automatic switching of bidirectional SAW filters.

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"Ultra-Small SAW Filter Works in Mobile Communication" by Eda, Journal of Electronic Engineering, May 1992, Tokyo, Japan.

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