NDLI: A 4.8-mW 4-GHz CMOS Class-B-Like Down-Converter for Harmonic Mixing Rejection

Content Provider	IEEE Xplore Digital Library
Author	Chin-Fu Li Po-Chiun Huang
Copyright Year	1963
Abstract	In a wideband receiver, higher frequency channels may be converted to the frequency of a desired signal by a harmonic mixing mechanism. To alleviate this issue, this paper proposes a topology, called the classBlike converter, to achieve high harmonic mixing rejection in frequency translation without any filtering. The converter is based on a linear commutation with a sinusoidal local oscillator for a small harmonic mixing, while its gain and noise performances are comparable to that of a switching-type converter. Most important, the circuitry of the proposed converter is simple and can be incorporated with other harmonic rejection techniques. The circuit is implemented with a 0.18-μm 1.8-V CMOS technology and the power consumption is 4.8 mW. Measurement results indicate that the third- to ninth-order harmonic rejections are more than 45 dB in average within a 4-GHz frequency range. A polyphase prototype with the proposed converter achieves higher than 70-dB third-order harmonic rejection even under a 2^° phase and 2% gain mismatch.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	2504
Ending Page	2512
Page Count	9
File Size	1378627
File Format	PDF
ISSN	00189480
Volume Number	59
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Noise Harmonic analysis Switches Gain Transconductance Topology Logic gates polyphase Class B converter harmonic mixing rejection mixer
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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