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학술대회 A Low-Power Small-Size Transmitter with Discrete-Time Baseband Filter for LTE in 65 nm CMOS
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저자
, 최장홍, 민병훈, 박미정, 박문양, 한석균, 이상국, 김천수
발행일
201311
출처
Asian Solid-State Circuits Conference (A-SSCC) 2013, pp.209-212
DOI
https://dx.doi.org/10.1109/ASSCC.2013.6691019
협약과제
12MD1900, 2세대/3세대/4세대 이동통신을 지원하는 RFIC/PAM 개발, 유현규
초록
This paper presents the design of a low-power small-size transmitter with discrete-time baseband filter for LTE application operating at 1.8-2 GHz. The transmitter achieves 4.5 dBm output power with more than -46 dBc of LO feedthrough suppression and -38 dBc image rejection ratio. At -0.3 dBm transmitted power of LTE 5 MHz channel, ACLR is measured below -42 dBc for both upper and lower channels with 1.83 and 2.47 % EVM for QPSK and 16-QAM modulation signals, respectively. The prototype chip is fabricated in a 65 nm CMOS technology and dissipates 59 mA current from 1.2 V supply and 13 mA from 2.5 V supply. © 2013 IEEE.
KSP 제안 키워드
16 quadrature amplitude modulation(16QAM), 65nm CMOS, CMOS Technology, LTE application, Low-Power, Output power, QAM modulation, discrete-time, image rejection ratio, small size, transmitted power