Title :
Transceiver module using GaAs gunn diode and Schottky diode mixer for W-band FMCW radar sensor application
Author :
Ko, Dong-Sik ; Baek, Tae-Jong ; LEE, Sang-Jin ; Choi, Seok-Gyu ; Han, Min ; Rhee, Jin-Koo
Author_Institution :
Millimeter-wave Innovation Technol. Res. Center (MINT), Dongguk Univ., Seoul, South Korea
Abstract :
In this paper, we present a transceiver module, which operates at the center frequency of 94 GHz, for a frequency modulated continues wave (FMCW) radar. A transmitter part consists of a waveguide voltage controlled oscillator (VCO) and a magic tee for 94 GHz, and a receiver part is essentially a Schottky diode mixer chip mounted on an A1203 sapphire substrate. The fabricated transceiver module has good RF characteristics such as wide linear band with low error late (480 MHz at 1.45 %), high output power through a magic tee (over 11.43 dBm), and good conversion loss at the IF frequency of 500 MHz (10.8 to 11.8 dB).
Keywords :
CW radar; FM radar; Gunn diodes; III-V semiconductors; Schottky diode mixers; electric sensing devices; gallium arsenide; millimetre wave radar; voltage-controlled oscillators; waveguides; A1203 sapphire substrate; GaAs; Gunn diode; Schottky diode mixer chip; VCO; W-band FMCW radar sensor application; fabricated transceiver module; frequency 500 MHz; frequency 94 GHz; frequency modulated continues wave radar; loss 10.8 dB to 11.8 dB; magic tee; waveguide voltage controlled oscillator; Electromagnetic waveguides; Mixers; Power generation; Radar; Schottky diodes; Transceivers; Voltage-controlled oscillators; FMCW radar; GaAs Gunn diode; Schottky diode mixer; Transceiver module; magic tee; waveguide VCO;
Conference_Titel :
Radar Conference (EuRAD), 2011 European
Conference_Location :
Manchester
Print_ISBN :
978-1-4577-1156-5
