MICROWAVE OP AMPS FOR PICOSECOND INTEGRATORS

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$49,962.00
Award Year:
1988
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Agency Tracking Number:
8517
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Doty Scientific Inc
600 Clemson Rd, Columbia, SC, 29223
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
F D DOTY
(803) 788-6497
Business Contact:
() -
Research Institution:
n/a
Abstract
SEVERAL CANDIDATE CIRCUITS ARE PROPOSED FOR MICROWAVE OP AMPS, BASED ON PRELIMINARY DEMONSTRATIONS OF CONCEPT FEASIBILITY USING DISCRETE SILICON DEVICES. A HYBRID APPROACH EMPLOYING A SILICON IC INPUT STAGE WITH A GAAS MESFET OUTPUT STAGE IS SHOWN TO BE THE MOST PROMISING IN ACHIEVING THE DESIGN GOALS OF A STABLE, COMPENSATED, LOW NOISE, LOW DRIFT, DC-10GHZ OP AMP WITH 25V/NS SLEW RATE, 60DB VOLTAGE GAIN BELOW 10MHZ WITH A 50 OHMS LOAD, 50K OHMS + .5PF INPUT IMPEDANCE, 70DB COMMON MODE REJECTION, AND + OR - 1.5V MINIMUM INPUT AND OUTPUT RANGE. THE PHASE SHIFT AND TOPOLOGY WILL PERMIT STABLE RESISTIVE AND CAPACITIVE FEEDBACK AT MICROWAVE FREQUENCIES. THE OP AMP WILL BE PARTICULARLY WELL SUITED FOR INTEGRATOR APPLICATIONS WITH RISE TIME BELOW 300PS.

* information listed above is at the time of submission.

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