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A DYNAMIC CURRENT-BLEEDING TECHNIQUE FOR A LOW-NOISE AND HIGH-GAIN CMOS MIXER

Title
A DYNAMIC CURRENT-BLEEDING TECHNIQUE FOR A LOW-NOISE AND HIGH-GAIN CMOS MIXER
Author
윤태열
Keywords
current-bleeding; direct-mechanism; flicker noise; mixer; single-balanced
Issue Date
2017-06
Publisher
WILEY
Citation
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v. 59, no. 6, page. 1267-1271
Abstract
This letter presents a low-noise and high-gain CMOS mixer that uses a simple dynamic current-bleeding (DCB) technique. The conventional static current-bleeding (SCB) technique has high conversion gain and low noise figure at a high intermediate frequency ( IF) but also has moderately high direct-mechanism flicker noise. Meanwhile, the conventional DCB technique possesses completely opposite characteristics. The proposed DCB technique obtains not only low direct flicker noise and low noise figure at high IF, but also has high conversion gain by combining only the advantageous features of both conventional techniques. Measurement results show a conversion gain of 21.2 dB and a noise figure of 16.3 dB at 10 kHz and 5.6 dB at 10 MHz, while the mixer consumes 4.2 mW at a 1.2 V supply voltage. It was implemented in a 0.11-mu m CMOS process with a chip area of 0.8 x 0.8 mm(2). (C) 2017 Wiley Periodicals, Inc.
URI
https://onlinelibrary.wiley.com/doi/abs/10.1002/mop.30515https://repository.hanyang.ac.kr/handle/20.500.11754/114370
ISSN
0895-2477; 1098-2760
DOI
10.1002/mop.30515
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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