A 32x32 CTIA Readout Multiplexer for Far IR Detector Arrays

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$600,000.00
Award Year:
2004
Program:
SBIR
Phase:
Phase II
Contract:
NNC04CA25C
Award Id:
66933
Agency Tracking Number:
022491
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
P.O. Box 60658, Palo Alto, CA, 94306
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
938517315
Principal Investigator:
JamFarhoomand
Principal Investigator
(650) 852-9932
jfarhoomand@mail.arc.nasa.gov
Business Contact:
JamFarhoomand
Business Official
(650) 852-9932
jfarhoomand@mail.arc.nasa.gov
Research Institute:
n/a
Abstract
We propose to develop an innovative 32x32 multi-gain readout multiplexer with the following key design features: 1- Optimized for use with infrared detector arrays requiring low bias levels, such as Ge:Ga far IR photoconductors. The unit-cell design will maintain constant bias across the detector during the integration and, thereby, will eliminate non-linearity and detector debiasing. The design will also minimize the channel-to-channel DC variation which improves the bias uniformity across all pixels of the array. 2- Capable of operation at cryogenic temperatures down to 1.5K. Advanced monolithic cryo-CMOS technology will guarantee deep cryogenic operation with minimal impact on noise performance. 3- Offers the potential of being directly hybridized to IR detector arrays using indium-bump technology. No two-dimensional readout multiplexer with these features is currently available or has been developed. This effort fits well within the scope of the SBIR Subtopic S3.03 and will be a benefit to many large and small NASA projects including SAFIR, SOFIA, and Astrobiology missions.

* information listed above is at the time of submission.

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