NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Design and performance of an Automatic Gain Control system for the High Energy X-Ray Timing ExperimentThe High Energy X-Ray Timing Experiment (HEXTE), currently under development for the X-Ray Timing Explorer (XTE) mission, employs a closed loop gain control system to attain 0.5 percent stabilization of each of eight-phoswich detector gains. This Automatic Gain Control (AGC) system utilizes a split window discriminator scheme to control the response of each detector pulse height analyzer to gated Am-241 X-ray events at 60 keV. A prototype AGC system has been implemented and tested within the gain perturbation environment expected to be experienced by the HEXTE instrument in flight. The AGC system and test configuration are described. Response, stability and noise characteristics are measured and compared with theoretical predictions. The system is found to be generally suitable for the HEXTE application.
Document ID
19930050388
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Pelling, Michael R.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Rothschild, Richard E.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Macdonald, Daniel R.
(California Univ. La Jolla, United States)
Hertel, Robert
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Nishiie, Edward
(Perkin-Elmer Corp. Applied Science Div., Pomona, CA, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1991
Publication Information
Publication: In: EUV, X-ray, and gamma-ray instrumentation for astronomy II; Proceedings of the Meeting, San Diego, CA, July 24-26, 1991 (A93-34376 13-35)
Publisher: Society of Photo-Optical Instrumentation Engineers
Subject Category
Spacecraft Instrumentation
Accession Number
93A34385
Funding Number(s)
CONTRACT_GRANT: NAS5-30720
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available