Efficient high volume test capability for monolithic microwave integrate circuits (mmic's) is a vital step toward high volume dod systems implementaton and the realization of the potential of this rapidly emerging technology. a detailed approach to develop cost effective automatic test procedures… More

This project implements a wideband, intermediate frequency switch matrix through the application of a monolithic microwave integrated circuit. highlights of the switch matrix are a 10 by 10 monolithic submatrix cascadable to form a larger matrix of up to 100 by 100 (or larger) crosspoints, and a… More

This program will address the application of the flash annealing technique to the fabrication of high-performance ion implanted gaas power fets. the doping profile of the active layer used in these must exhibit a sharp active layer-substrate interface so that abrupt pinch off can be obtained. this… More

Although high performance gaas varactor diodes are readily available as discrete devices fabricated on heavily doped material, their inclusion in mmic (monolithic microwave integrated circuit) components is precluded by the requirement for a semi-insulating substrate. highq is required for high… More

This project will study the design of a monolithic microwave integrated circuit (mmic) implementation of a versatile, low cost, multi-band 20 ghz receiver front-end. the technical highlight of the receiver front-end mmic chip set is an innovative local oscillator (lo) approach for universal… More

A novel, advanced, monolithic gaas rf switch matrix for satellite communications applications using a design concept originally developed for a monolithic gaas if switch matrix will be studied for application to rf switching applications. preliminary estimated rf switch matrix parameters indicate… More

Frequency sources (oscillators) are important components in microwave and millimeter-wave systems. gaas mesfet technology, in spite of its success in a variety of discrete and monolithic microwave integrated circuits (mmic's), is not satisfactory for oscillator applications due to the observed… More

Development of an advanced monolithic gaas 8.5 voltage controlled oscillator with on-chip generation of a low frequency reference output, suitable for phase locked loop applications, is proposed. circuit elements and designs techniques traditionally reserved for microwave applicationsare utilized to… More

Development of effective on-chip temperature compensation for gaas mmics (monolithic microwave integrated circuits) is of vital importance to the implementation of this technology in microwave systems. a program to develop on-chip temperature compensation techniques for gaas mmic technology is… More

Ion implantation has been demonstrated to be the leading fabrication technology for highly uniform doping of semiconductors. however, several problems associated with ion implantation now hinders the progress of gaas ics, affecting key areas of performance, reliability and yield. these difficulties… More

Perfection of a new technology is proposed to simultaneously double or quadruple optical memory capacity while reducing access time by an order of magnitude. an existing prototype optical device will be experimentally and theoretically evaluated in program phase i, followed by optimization and… More

Monolithic microwave integrated circuits (mmics) on gaas are important components and building blocks in vital nasa microwave / mm-wave systems and other applications. recent discovery of high-temperature superconductivity in ba-la-cu-o, y-ba-cu-o, and a number of ternary oxides containing rare… More

Microwave monolithics incorporated (mminc>), with textron defense systems advanced technology center (textron) as subcontractor, proposes a six month phase i program to identify and begin development of those key wideband gaas monolithic microwave integrated circuit (mmic) components which would… More

Development of an advanced k-band monolithic gaas low phase noise frequency source based on recent breakthroughs in device and mmic technology is proposed by microwave monolithics incorporated through the implementation of a 20 ghz monolithic phase lockable frequency source. smaller size, increased… More

A three phase program is proposed by microwave monolithics incorporated (mminc.), with textron defense systems advanced technology center (textron) as subcontractor, to develop a miniature 40 watt (20 watt per polarization) high efficiency c-band gaas mmic based power amplifier for re-entry vehicle… More

World-wide deployment and widespread use of the sarsat rescue system depends critically on the development and commercialization of high performance low cost beacons. microwave monolithics inc. (mminc.) has recently demonstrated high efficiency gaas power fets with extremely low stand by power… More

Microwave monolithics, inc., has (with private funds) developed a proprietary optical device (pod) for focusing laser beams down to submicron spots for optical disc/drum applications. these pod's are characterized by milligram masses, high numerical aperture, diffraction limited performance at full… More

The space station multiple access communication system will provide the primary telemetry, voice, and video link between crew members and extravehicular astronauts. the heart of this system, which is based on a frequency divisionmultiple access (fdma) signal distribution system with multiple… More

Microwave monolithics incorporated (mminc.) proposes to develop an advanced x-band gaas mmic receiver front end for spacecraft transponder applications. this component will consist of, at most, three gaas mmic chips - a low noise amplifier, a mixer/if amplifier, and a voltage controlled dielectric… More

Short gate length gaas based mesfets and modulation-doped fets (modfets, or hemts) have demonstrated respectable gain and low noise figure at frequencies as high as 94 ghz; however they can not provide high power with high associated efficiency. inp based lattice matched modulation doped fets, on… More

Millimeter-wave technology is finding use in many commercial applications including communications, resource monitoring, collision-avoidance, and security/surveillance systems. essential to these applications is efficient power generation at millimeter-wave frequencies. present gaas- and inp-based… More