NDLI: An X-band, 2.5 watt continuous wave dielectric resonator oscillator for future military systems

Content Provider	IEEE Xplore Digital Library
Author	Mizan, M.
Copyright Year	1992
Description	Author affiliation: US Army LABCOM. Fort, Monmouth, NJ, USA (Mizan, M.)
Abstract	A 9 GHz dielectric resonator oscillator (DRO) generating a continuous wave (CW) power output of 2.5 watts at room temperature has been designed and fabricated by incorporating a high power GaAs FET amplifier and a dielectric resonator (DR) in a feedback loop oscillator configuration. The DC to RF conversion efficiency of this DRO is about 11%. The oscillator exhibits a frequency stability of less than 130 ppm over the temperature range of -50 degrees C to +50 degrees C. Measured single-sideband phase noise levels are -105 dBc/Hz and -135 dBc/Hz at 10 kHz and 100 kHz carrier offset frequencies, respectively. The output power varies from +35 dBm (3.2 watts) at -50 degrees C to +33 dBm (2 watt) at +50 degrees C. The DRO output power is fed into a single-stage GaAs FET amplifier, resulting in a total power output of 6.5 watts at X-band. The overall efficiency of the 6.5 watt DRO unit is about 12%. The pulse power capability of the DRO unit is investigated. The unit can deliver 10 watts of pulse power for a pulse duration of one microsecond or less.<>
Starting Page	409
Ending Page	414
File Size	411038
Page Count	6
File Format	PDF
ISBN	0780304764
DOI	10.1109/FREQ.1992.269987
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-05-27
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pulse amplifiers Oscillators Power generation Power amplifiers Dielectrics Gallium arsenide FETs Frequency Temperature High power amplifiers
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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