NDLI: Microwave Parametric Frequency Dividers With Conversion Gain

Content Provider	IEEE Xplore Digital Library
Author	Heshmati, Z. Hunter, I.C. Pollard, R.D.
Copyright Year	1963
Abstract	A novel active parametric frequency divider configuration using coupled microstrip transmission lines and two balanced pseudomorphic HEMTs (pHEMTs) is presented. The analysis of the divide-by-2 circuit presented applies the principles of subharmonic generation using a nonlinear reactance to an active semiconductor device such as a pHEMT. A 2-1-GHz active analog frequency divider is designed and fabricated, with measurements showing a 20% bandwidth, 13.5-dB conversion gain, and harmonic rejection levels of more than 22 dBc. A maximum conversion gain of 18 dB is also achieved. These higher conversion efficiencies and the ability to cascade dividers allow for higher order division ratios to be achieved with the same topology.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	2059
Ending Page	2064
Page Count	6
File Size	678855
File Format	PDF
ISSN	00189480
Volume Number	55
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency conversion PHEMTs Microwave devices Coupling circuits Microstrip Distributed parameter circuits Semiconductor devices Transmission line measurements Frequency measurement Gain measurement parametric subharmonic generation Analog frequency dividers coupled transmission lines nonlinear circuits
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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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
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