A 2.4 GHz Transmit/Receive Module for Wireless Communications
Tuan Tu and Jalmi Abdul-Jalil
Advisor: Dr. S. N. Prasad
Wireless communication systems are finding increasing applications for
transmission and reception of data, video and voice. A typical microwave
personal communication transceiver consists of a Gallium Arsenide (GaAs)
Monolithic Microwave Integrated Circuit (MMIC). The antenna is switched
between the transmitter and the receiver by means of an active switch.
In this project, a Transmit/Receive Module based on the Distributed Amplifier
concept is proposed to replace the active switch in the transceiver. The
module permits simultaneous transmission and reception of signals using
a single antenna. A 2.4 GHz Transmit/Receive Module was designed, fabricated
and tested. The module provides high isolation between the transmitter
and the receiver. The module was fabricated on a microwave circuit board
and using GaAs FETS as the active devices.
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