Tdma radio communication apparatus

Details Tdma radio communication apparatus Tdma radio communication apparatus

H - Electricity

04

J

H04J 3/02 (2006.01) H04B 1/56 (2006.01)

Patent

CA 2068822

ABSTRACT OF THE DISCLOSURE A TDMA (Time Division Multiple Access) radio communication apparatus having a receive frequency mixer and a transmit frequency mixer. The receive and transmit frequency mixers are implemented by a single frequency mixer. Signal selecting means is connected to each of the input and output of the single frequency mixer for separating a high frequency signal and an intermediate frequency (IF) signal. When a received high frequency signal is fed from a receive high frequency filter to the mixer, the resulting IF signal from the mixer is delivered to a demodulator. When an IF signal to be transmitted is fed from a modulator to the mixer, the resulting high frequency signal from the mixer is applied to a transmit high frequency filter. The received IF signal and the IF signal to be transmitted are prevented from leaking into the modulator and the demodulator, respectively.

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