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A 0.18 µm CMOS Wide-Band Injection-Locked Frequency Divider Using Push-Push Oscillator

Sheng-Lyang JANG, Chia-Wei CHANG, Yu-Sheng CHEN, Jhin-Fang HUANG, Jau-Wei HSIEH, Chong-Wei HUANG

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Summary :

A novel divide-by-3 injection-locked frequency divider (ILFD) is proposed. The ILFD circuit is realized with a cross-coupled n-core MOS LC-tank oscillator embedded with a push-push signal generator and two injection MOSFETs for coupling the injection signal into the resonator. The ILFD uses the linear mixer to extend the locking range and has been implemented in a standard 0.18 µm CMOS process. The core power consumption of the ILFD core is 3.12 mW. The divider's free-running frequency is tunable from 4.26 GHz to 4.9 GHz by tuning the varactor's control bias, and at the incident power of 0 dBm the locking range of the ILFD used as a divide-by-3 divider is 1.5 GHz, from 12.5 GHz to 14.0 GHz.

Publication
IEICE TRANSACTIONS on Electronics Vol.E94-C No.8 pp.1332-1335
Publication Date
2011/08/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E94.C.1332
Type of Manuscript
BRIEF PAPER
Category
Electronic Circuits

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