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http://dx.doi.org/10.5370/KIEE.2015.64.3.433

A Low Power and High Linearity Up Down Converter for Wireless Repeater  

Hong, Nam Pyo (School of Electrical and Electronics Engineering, Chung-Ang University)
Kim, Kwang Jin (School of Electrical and Electronics Engineering, Chung-Ang University)
Jang, Jong-Eun (EPIC Solution Co., LTd.)
Chio, Young-Wan (School of Electrical and Electronics Engineering, Chung-Ang University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.64, no.3, 2015 , pp. 433-437 More about this Journal
Abstract
We have designed and fabricated a low power and high linearity up down convertor for wireless repeaters using $0.35{\mu}m$ SiGe Bipolar CMOS technology. Repeater is composed of a wideband up/down converting mixer, programmable gain amplifiers (PGA), input buffer, LO buffer, filter driver amplifier and integer-N phase locked loop (PLL). As of the measurement results, OIP3 of the down conversion mixer and up conversion mixer are 32 dBm and 17.8 dBm, respectively. The total dynamic gain range is 31 dB with 1 dB gain step resolution. The adjacent channel leakage ratio (ACLR) is 59.9 dBc. The total power consumption is 240 mA at 3.3 V.
Keywords
Repeater; PLL; High linearity; ACLR;
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