A Q-band Direct Divide-by-4 Injection-Locked Frequency Divider with Quadrature Outputs

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Title:	A Q-band Direct Divide-by-4 Injection-Locked Frequency Divider with Quadrature Outputs
Authors:	Yan, Tzu-chao;Shih, Horng-yuan;Yang, Tzu-yi;Kuo, Chien-nan
Contributors:	淡江大學電機工程學系
Keywords:	Frequency Divider
Date:	2010-09-28
Issue Date:	2012-03-14 11:15:04 (UTC+8)
Publisher:	IEEE; European Microwave Association
Abstract:	A divide-by-4 injection-locked frequency divider is designed for applications in the millimeter-wave frequency range. The proposed circuit also features in quadrature phase outputs by using a quadrature voltage-controlled oscillator. The input signal is injected into the common-mode node at the tail current source directly. Implemented in a 0.13 Î¼m CMOS technology, the core circuit consumes dc power of 3.66mW with 1.2 V supply voltage. The operation range achieves 1.95 GHz. The entire die occupies an area of 974Ã726 um 2 .
Relation:	2010 The 40th European Microwave Conference (EuMC), Paris, France, pp.77-80
Appears in Collections:	[Graduate Institute & Department of Electrical Engineering] Proceeding

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