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Conference Paper A Low-Power Small-Size Transmitter with Discrete-Time Baseband Filter for LTE in 65 nm CMOS
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Authors
Hoai-Nam Nguyen, Jang-Hong Choi, Byung-Hun Min, Mi-Jeong Park, Mun-Yang Park, Seok-Kyun Han, Sang-Gug Lee, Cheon-Soo Kim
Issue Date
2013-11
Citation
Asian Solid-State Circuits Conference (A-SSCC) 2013, pp.209-212
Language
English
Type
Conference Paper
DOI
https://dx.doi.org/10.1109/ASSCC.2013.6691019
Abstract
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 Keywords
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