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http://dx.doi.org/10.5515/KJKIEES.2017.28.7.571

A C-Band CMOS Bi-Directional T/R Chipset for Phased Array Antenna  

Han, Jang-Hoon (Department of Electronic Engineering, Kwangwoon University)
Kim, Jeong-Geun (Department of Electronic Engineering, Kwangwoon University)
Publication Information
Abstract
This paper presents a C-band bi-directional T/R chipset in $0.13{\mu}m$ TSMC CMOS technology for phased array antenna. The T/R chipset, which is a key component of phased array antenna, consists of a 6 bit phase shifter, a 6 bit step attenuator, and three bi-directional gain amplifiers. The phase shifter is controlled up to $354^{\circ}$ with $5.625^{\circ}$ phase step for precise beam steering. The step attenuator is also controlled up to 31.5 dB with 0.5 dB attenuation step for the side lobe level rejection. The LDO(Low Drop Output) regulator for stable 1.2 V DC power and the SPI(Serial Peripheral Interface) for digital control are integrated in the chipset. The chip size is $2.5{\times}1.5mm^2$ including pads.
Keywords
C-band T/R Chipset; Beamforming; Phased Array Antenna; CMOS;
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