VERY LARGE SCALE INTEGRATION TIME INTERVAL UNITS

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$50,000.00
Award Year:
1990
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
12088
Agency Tracking Number:
12088
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
2476 Bolsover Suite 234, Houston, TX, 77005
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Howard K. Schmidt
Vice President
(713) 529-9040
Business Contact:
LILA R. ANDERSON
PRESIDENT
(713) 660-8414
Research Institution:
n/a
Abstract
CONSTRUCTION OF CUSTOM VERY LARGE SCALE INTEGRATION (VLSI) CIRCUITS COMBINING ANALOG AND DIGITAL SECTIONS FOR A PRE-AMPLIFIER, DISCRIMINATOR, ENABLE GATE, AND TIME-TO-DIGITAL CONVERTER (TDC) TO FORM A FULLY MONOLITHIC TIME INTERVAL UNIT (TIU) IS THE PROPOSED INNOVATION. THIS TIU WILL DRAMATICALLY REDUCE THE SIZE, WEIGHT, AND POWER CONSUMPTION OF NASA SPACE-BASED LASER ALTIMETERS. ADDITIONAL ADVANTAGES OF THIS APPROACH ARE IMPROVED RELIABILITY AND PERFORMANCE AT REDUCED COST RELATIVE TO PRINTED CIRCUIT BOARD (PCB) AND HYBRID ALTERNATIVES. THE PHASE I PROGRAM WILL CONCENTRATE ON DESIGN AND TESTING OF INDIVIDUAL AND INDEPENDENT SUB-SECTIONS OF THE TIU; THESE RESULTS WILL BE COMBINED IN PHASE II TO PRODUCE A COMPLETE TIU CHIP OPTIMIZED FOR USE IN FLIGHT RATED RANGE-FINDING SYSTEMS. BASED ON OUR PREVIOUS VLSI AND PCB-LEVEL DESIGN EXPERIENCE, WE EXPECT BETTER THAN 1 NS RESOLUTION FROM THE SEGMENTED VLSI TEST PART FROM PHASE I. REFINED TIUS PRODUCED IN PHASES II AND III SHOULD DELIVER 100 PICOSECOND ACCURACY WITH CONVERSION TIMES LESS THAN 30 NS.

* information listed above is at the time of submission.

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