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A Low Power Buffer-Feedback Oscillator with Current Reused Structure

Chang-Wan KIM, Dat NGUYEN, Jong-Phil HONG

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Summary :

This paper presents a low power millimeter-wave oscillator consisting of a current-reused topology and buffer-feedback. By connecting a buffer-feedback topology between the core LC-tank of the oscillator and the output buffer stage, the simulated oscillation frequency of the proposed oscillator is increased by 17%, compared to that of the conventional current-reused oscillator. In addition, to obtain the same output power, the proposed oscillator reduces the power dissipation by 47%, compared to that of the conventional buffer-feedback oscillator. The prototype of the proposed oscillator is fabricated in a 65nm CMOS technology with a size of 700µm×480µm including pad. Measurement results indicate an oscillation frequency of 71.3GHz, while dissipating 10mA from a 1.6V supply.

Publication
IEICE TRANSACTIONS on Electronics Vol.E99-C No.12 pp.1335-1338
Publication Date
2016/12/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E99.C.1335
Type of Manuscript
BRIEF PAPER
Category
Electronic Circuits

Authors

Chang-Wan KIM
  Dong-A University
Dat NGUYEN
  Chungbuk National University
Jong-Phil HONG
  Chungbuk National University

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