Pseudomorphic InGaAs with high InAs concentrations on GaAs substrates are currently in use in complementary-heterostructure FET (C-HFET) digital and MODFET MMW circuits. While their bandgaps enable them to detect 1300 and 1550 nm light, the projected detection efficiency (responsivity) is very low… More

A promising new approach for high power solid-state sources will be demonstrated using spatial power combining grids. Present development of high power field effect transistor (FET) based solid-state sources at millimeter-wave frequencies is hampered by the limited power output of individual sources… More

An epitaxial grown Germanium - channel Junction Field Effect Transistor (Ge-JFET) is proposed to provide the most efficient, low noise cryogenically cooled detectors operating at 2 - 4¿K. Precisioned engineered lattice and doping epitaxial growth will eliminate material defects to allow the… More

To meet the future needs for increased capabilities in military as well as commercial space communications and radar applications, the W-Band (94 Ghz) frequency spectrum utilized. A critical issue has arisen in the development of the future W-band electronic systems technology: while InP-based… More

TLC Precision Wafer Technology, Inc. (TLC) has a very aggressive plan for becoming a leading manufacturer and supplier of epitaxial GaAs and InP-based wafers for military and commercial applications. Key to our strategy is to identify, develop, and be the first at market with those advanced… More

Compact, low-cost, low-phase noise oscillators play an important role in C3 applications; such as satellite communications, intelligent vehicle highway systems (IVHS), data links for robotics control and wideband local area networks. Commonly, dielectric resonator oscillators (DROs) are… More

As the complexity of semiconductor integrated circuits increases and the power supply is scaled to lower voltages, the problems associated with radiation hardening reliability and testability are exacerbated. GaAs electronic devices exhibit a superb tolerance to total ionizing dose of radiation;… More

Large solid state phased array antennas used for military radar applications, including ones for mobile systems (such as the Patriot System), typically utilize thousands of transmit/receive (T/R) modules incorporating semiconductor components for the generation and reception of the radar's microwave… More

The technical problem to be addressed is that of designing a transmit/recieve module based on a basic GaAs MMIC chip set. Emphasis will be placed on simplicity toward the goal of a low-cost product. To reduce cost, two approaches will be considered. One is to simplify the RF circuitry and… More

"Current spaceborne communication systems and missile seeker systems require parallel advances in the W-band (94 GHz) multifunction phase array antenna systems. Relatively large aperture areas of the existing antenna systems radiate heat rapidly into spacefrom the RF components. Also, the existing… More

This Small Business Innovation Research (SBIR) Phase I project will utilize an innovative high output ultraviolet (UV) lithography 0.25 mm T-gate fabrication process to develop high yield and high throughput manufacturing of millimeter-wave monolithic integrated circuit (MMIC) transceivers on 6"… More

Advance millimeter wave (MMW) transceivers are needed to further enhance the U.S. military current and future communication, detection and guidance systems. TLC will develop and demonstrate a unique low-cost, wire-bond-free, 70-94 GHz W-band antennaintegrated MMIC transceiver that also meet… More

This Small Business Innovation Research Phase I project aims to develop novel, highly integrated, high performance series of high frequency (Ka to W-band) GaAs Monolithic Voltage Controlled Oscillators (VCO) by efficient integration of hyperabrupt varactor diode with the Pseudomorphic High Electron… More

Current military and commercial communication systems at lower frequencies experience spectrum crowding, and does not have wide bandwidths needed for high data rates. Broadband Low Noise Amplifiers (LNA) are crucial components in any receiver system.Although a wide variety of LNAs are currently… More

TLC will develop a wire-bond free wide band (X-band to Ka-band) miniature low cost high trhoughput radar transceiver technology that integrates a circular polarized antenna array with a mix-mode (digital& RF) MMIC transceiver chip. This will be developedby systematically utilizing TLC's proven… More

TLC has developed an innovative multi-component radiation hard InP HEMT based chip approach that will provide monolithic digital,millimter-wave and photnic functions for airborne, spaceborne and other military systems. During phase I we demonstrated lattice engineering, epi growth, design and… More

This Small Business Innovation Research (SBIR) Phase II project will develop an innovative low-cost W-band (70-80 GHz) single chip transceiver using the metamorphic wafer technology developed in Phase I, and efficiently integrating the various MMIC components. The low cost… More

New fully integrated low-cost, low-phase noise microwave Voltage control oscillator MMICs will be developed after the successful demonstration of the proposed effort. TLC will integrate exclusive doping profiles of their patented varactor diode capabilities with their patented VCO MMIC desings on a… More

During Phase I, an X-Band to W-Band reconfigurable mix-mode digital/photonic/RF transceiver MMIC will be delivered that demonstrates >8 GHz of instantaneous bandwidth. The high speed digital circuits will demonstrate digital control and DSP capability on-chip with high sensitivity (low phase noise,… More

During Phase I, TLC will demonstrate and deliver a remote mixed-mode adjustable X-band to W-band transceiver chip that can perform well as a FMCW, super-heterodyne or pulse radar that meets space qualification specifications. This reconfigurable transceiver will serve as the basis for the… More

During this phase I SBIR effort unique proven lattice and bandgap engineering techniques will be utilized to epitaxially grow InAlAs / InGaAs on GaN substrate for the design and fabrication of high power reconfigurable transceiver single MMIC.

TLC demonstrated a high performance remote Doppler Radar adjustable X-band to W-band transceiver chip that can perform well as a FMCW, super-heterodyne or pulse radar that meets space qualification specifications. This reconfigurable transceiver will serve as the basis for the precipitation & cloud… More