CST – Computer Simulation Technology

A Multiband, Compact, and Full-Duplex Beam Scanning Antenna Transceiver System Operating From 10 to 35 GHz
Seungpyo Hong, Christopher T. Rodenbeck, Kai Chang
IEEE Transactions on Antennas and Propagation
Vol. 54, No. 2, Feb. 2006
359 - 367
Full-duplex transceiver, microstrip multiplexer, microwave monolithic integrated circuit (MMIC), multiband, phase shifter, phased array, Vivaldi antenna
This paper presents a compact phased-array antenna transceiver system that can operate over a wide bandwidth from 10 to 35 GHz with the abilities of beam scanning and full-duplex communication. The system consists of ultrawide-band Vivaldi antennas, a multiline PET-based phase shifter, a six-channel microstrip multiplexer, and monolithic microwave integrated circuit (MMIC) amplifiers. The multiplexer routes 10, 19, and 32 GHz signals to the transmit path and 12, 21, and 35 GHz signals to the receive path. The multiplexer shows insertion loss between 2.2 and 3.4 dB for all six channels and together with wide-band MMIC amplifiers plays an important role to build a compact, multifrequency, and full-duplex transceiver system. The system should have many applications in multiband satellite communication systems and radar systems.

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