NDLI: A microwave frequency generation unit for space applications

Content Provider	IEEE Xplore Digital Library
Author	Dayaratna, L. Ramos, L.G. Hirokawa, M.
Copyright Year	2001
Description	Author affiliation: Lockheed Marting Commun. & Power Center, Newtown, PA, USA (Dayaratna, L.)
Abstract	Spacecraft systems designed to provide communications require the necessity to generate multiple, redundant local oscillator frequencies for various up/down converters in the payload. The design requirements are low noise, low power, small size and mass. They are also required to be SEU hard and total dose tolerant and reliable. The reliability is increased by having a design with built in redundancy. The FGU is powered from the spacecraft bus with dedicated EPCs, which are redundant. The FGU is phase locked to a stable reference, which is also redundant. Several test points in the form of telemetry are provided for checking unit functionality and operational characteristics.
Starting Page	949
Ending Page	952
File Size	488077
Page Count	4
File Format	PDF
ISBN	0780365380
ISSN	0149645X
DOI	10.1109/MWSYM.2001.967049
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-05-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microwave frequencies Microwave generation Space vehicles Microwave communication Local oscillators Frequency conversion Payloads Power system reliability Redundancy Testing
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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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