Session TU1A: Signal Control Circuits Session Chair: T. Kemerley, Air Force Wright Laboratory Co-Chair: H. Huang, COMSAT Laboratories This session presents some novel approaches in the development of low cost, wideband mixers, oscillators and amplifiers. These components will have applications in both commercial and military systems. Session TU1C: Optical Transmitters Session Chair: Carol Gee, Ortel Corporation Design, performance and analysis of optical transmitters that are key to future microwave systems will be presented. Included are lasers with speeds exceeding 20 GHz, laser stabilization techniques, close-in noise and distortion analysis and component packaging of optical components. Session TU1D: Sources and Control Components Session Chair: Bernard E. Sigmon, Motorola GSTG, Inc. This session deals with advancements in source generating technology and control components such as phase shifters and switches. The session leads off with a broadband (6-18 GHz) high power switch (>4W) followed by papers covering items such as phase shifters, the first demonstration of a GaInP/GaAs HBT microwave oscillator, a 94 GHz MMIC module, and a novel phase noise reduction technique for MMIC frequency synthesizers. Session TU1E: Novel Ferrite Components and Techniques Session Chair: Lionel E. Davis, UMIST Novel approaches for nonreciprocal components continue to be required as systems evolve. The first paper describes a phase shifter using superconducting circuits, and this is followed by a paper on a quasi-optical refelction circulator with potential for high-power applications. Adaptive signal cancellation using a ferrite vector modulator is the subject of the third paper, and the fourth paper describes the results of materials engineering to compensate for the adverse effects of magnetostriction in ferrite phase shifters. Session TU3A: Millimeter-Wave Receiver MMICs Session Chair: Hing-Loi A. Hung, Raytheon Co. Session Co-Chair: Marvin Cohn, Westinghouse Electric Corporation This session presents improved performance in the areas of LNAs, downconverters, and oscillators using PHEMT and HBT technologies. The benefits of these GaAs- and InP-based technologies for PHEMTs and GaInP/GaAs-based technology for HBTs are being exploited for better yield, uniformity, as well as higher outpower, lower NF, and phase noise. Session TU3B: Control of Leakage in Guided Waves Session Chair: Michael Dydyk, Motorola Recent investigations have shown that leaky dominant modes exist on various planar transmission lines. This session will address the subject of their control. The first paper introduces an additional dielectric layer in a multilayered conductor-backed coplanar waveguide to control leakage. The second paper eliminates leakage by using suitable bonding films or superstrate layers to control leakage. The third paper uses two dielectric layers of relatively high dielectric constant placed on top of the slot regions of the Conductor Backed Coplanar Waveguide (CBCPW) to eliminate leakage. The final paper in the session replaces a uniform dielectric substrate between the parallel plates of a standard conductor-backed transmission line, by a non-uniform dielectric structure to eliminate power leakage. In all cases, theory and experimental results will be presented. Session TU3C: Fiber Optic Link Technology Session Chair: Norman Dietrich, AT&T Bell Laboratories The performance of fiber optic links has been improved by the introduction of new modulation and detection techniques for both analog and digital systems. Several advances in these areas will be discussed in addition to a new application of optical systems for ocean bottom mapping. Session TU3D: 30th Aniversary - Microwave Filters, Impedance-Matching Networks, and Coupling Structures Session Chair: J. B. Horton, TRW This session is in honor of 30 years active use of the book, Microwave Filters, Impedance Matching Networks, and Coupling Structures, authored by G. L. Matthaei, L. Young, and E. M. T. Jones. The project was sponsored by the U. S. Army, Fort Monmouth, NJ, under the direction of Nat Lipetz, John Agrios, and William Dattilo. Those speaking at the session will include the authors, Nat Lipetz, Seymour Cohn, and several MTT-S members who used the book during its thirty-year existence. Session TU3E: Superconducting Components and Subsystems Session Chair: Jeffrey M. Pond, Naval Research Laboratory High temperature superconductor technology is maturing to the point that microwave components and subsystems have been developed which have significant performance advantages compared to conventional technologies. The papers presented in this session represent the increasing complexity of subsystems employing high temperature superconducting technology. The state-of-the-art is now demonstrated by narrow band multiplexers and optically switched bandstop filter banks. These papers illustrate the advances that have been made in solving such issues as CAD modeling, high power operation, innovative circuit topologies, and integration. Session TU4A: Novel Monolithic Technology Session Chair: Tom Midford, Hughes GaAs Operations Session Co-Chair: Roger Sudbury, MIT Lincoln Laboratory This session presents five papers dealing with novel or emerging monolithic circuit technologies. The first paper deals with a new resistive Schottky diode frequency doubler covering the full X and Ku bands. The second paper presents a novel HBT distributed amplifier based on attenuation compensation techniques which achieve a gain bandwidth product of 84 GHz. The next paper describes a 35 GHz HBT pulsed amplifier. The fourth paper presents a 35 GHz PIN diode switch and phase shifter technology which can be monolithically integrated with HBT circuits. The final paper of the session describes a very a broadband (2-52 GHz) matrix distributed HEMT amplifier. Session TU4B: New Guided-Wave Structures and Phenomena Session Chair: Song-Tsuen Peng, National Chiao Tung University Guided-wave theory is extended in different directions, including scope and depth of understanding. The first two papers examine the propagation characteristics of nonlinear waveguide and the unusual higher-order modes of NRD guide. The next paper describes the resonance and leakage effects of microstrip step discontinuities, while the last one presents a low-dispersion coplanar waveguide for terahertz-bandwidth applications. Experimental results are included to validate the theories. Session TU4C: Lightwave Communications Systems and Components Session Chair: P. R. Herczfeld, Drexel University This session is concerned with high speed fiber optic links for communications. Several of the papers discuss optically fed microcellular communications systems for mobile and personal communications. Other papers in the session deal with high performance microwave frequency signal distribution via optical fibers. Session TU4D (Focused Session): Acoustic Sensor Devices and Applications Session Chair: Ted Lukaszek, U. S. Army Research Laboratory This focus session will feature acoustic sensor devices that enable the identification and measurement of physical, chemical and biological quantities. These sensors are coupled, sometimes monolithically, with electronic circuits to provide real time data output and control. A variety of papers will be presented reviewing device design, operating principles and specific applications. New areas to be covered include liquid chemical sensors and micro-electromechanical systems (MEMS). Session TU4E: Biological and Medical Applications Session Chair: Prof. A. Vander Vorst, U. C. Louvain-la-Neuve Medical applications will cover non-invasive sensing for the detection of tumors as well as hyperthermia, in particular new applicators and a combination of microwaves and ultrasound. The effects of microwave radiation on human blood cells will be demonstrated. Session WE1A: Power Amplifiers for Mobile and Satellite Communications Session Chair: Horton Prather, EMS Technologies Solid state amplifier performance is a key element in satellite and mobile communications systems. New applications demand improved efficiency and linearity while demanding lower costs. The papers in this session address new developments in reduction of satellite power requirements and improvements of linearity and efficiency for commercial mobile applications. Session WE1B: Frequency Domain Methods and Applications Session Chair: R. Vahldieck, University of Victoria This session focuses on new developments in frequency domain methods and their application to planar structures and dielectric waveguides. Session WE1C: Active and Passive Planar Filters Session Chair: Dan Swanson, Watkins-Johnson Co. Commercial and military systems designers continue to demand small, inexpensive microwave filters. Three papers in this session discuss potential active filter topologies. Two papers explore passive thin film and thick film solutions. The final paper presents a new transmission line technology that offers very low dispersion at millimeter wave frequencies. Session WE1D (Focused Session): Microwave/Millimeter Wave Applications in Personal Communications Session Chair: J. B. Horton, TRW This session includes recent developments in personal communications and some of the regulatory aspects of using microwave and millimeter wave frequencies for wireless personal communication networks. Papers included cover current and future developments in the U. S. and Europe. Speakers will cover current technology and future developments required for applications of millimeter wave technology to PCNs. Session WE1E: Millimeter-Wave HEMT-Based Amplifier/Receiver Technology Session Chair: Edward C. Niehenke, Westinghouse Electric Corporation This session reports on state-of-the-art millimeter wave HEMTs and HEMT-based circuitry for receiver and power amplifiers. In the low-noise area, a 0.9 dB device noise figure at 60 GHz was achieved using a selectively recessed InP HEMT. For power applications, a 3-stage PHEMT power MMIC is reported with 0.8 watts of power at 44 GHz. PHEMT power MMICs have been power combined to generate 1.5 watts at V-Band. Micromachining techniques have been used to effectively extend the frequency range of lumped elements for circuit applications into the millimeter wave region. Finally a receiver consisting of a HEMT resistive mixer integrated with a patch antenna achieved an 8 dB conversion loss at 35 GHz. Session WE2A: HBT and PHEMT Power Amplifiers Session Chair: David Cahana, Avantek This session presents new power-efficiency performance using HBT and PHEMT power devices, covering S- to Ku-Band applications with 0.5 to 40 watt output. The HBT papers describe both AlGaAs/GaAs and InGaP/GaAs technologies. Three papers illustrate device designs that lead to 1 watt with 72% efficiency at 12 GHz; 2 watts with 60% efficiency at C-X Bands; and low voltage operation at 10 GHz, with 445 mWatts and 42% efficiency. A 7.5 GHz internally-matched HBT for communications produces 16.5 watts with 38% efficiency. The use of PHEMTs for 12 watts at X-Band and 40 watts at S-band is demonstrated in two papers as a higher efficiency replacement for the MESFET. WE2B: EM Analytic and Numerical Techniques Session Chair: H. Y. Yang, University of Illinois at Chicago EM analytic and numerical techniques are advanced in the direction of dealing with more complicated geometries including both passive and active components. Innovative numerical methods in both time and frequency domains are also found, especially in the more efficient TLM approach. In the future, we would expect to see more efficiency numerical algorithms both in time and frequency domains developed to deal with more complex structures including inhomogeometry. Session WE2C: Waveguide and Dielectric Resonator Filters Session Chair: Rene R. Bonetti, COMSAT Laboratories This session will include new developments applicable to both waveguide and dielectric resonator filters. A new synthesis technique for assymetrical, singly terminated, cross-coupled filters will open the presentations. Following are computed and experimental data obtained with large aperture and mode-matching theories and a new realization of evanescent mode bandpass filters. A mixed-mode configuration of dielectric loaded filters and a rectangular realization of same both provide compact and a wide spurious-free frequency response. A design technique for three port symmetrical junctions applicable to waveguide diplexers will close the presentations.f Session WE2D (Focused Session): Microwave/Millimeter Wave Wireless Commercial Applications Session Chair: B. D. Geller, COMSAT Labs The rapid increase in the development of wireless communications technology has spurred the application of these new components to new commercial systems. The areas to be covered in this session include wide-ranging applications of this technology to industrial, communications, transportation, and other commercial systems. Session WE2E: Millimeter and Submillimeter Wave Sources and Frequency Converters Session Chair: Mohammed N. Afsar, Tufts University Session Co-Chair: Margaret A. Frerking, Jet Propulsion Laboratory Higher frequency millimeter and submillimeter wave technology for sources and mixers is evolving from discrete whisker contacted device to planar devices and more integrations. This session reports on solid state planar devices with different levels of circuit integrations. Solid state sources in the millimeter and submillimeter frequency ranges with moderate to high power are key components for both active and passive sensors. One approach is to use multiplied sources. GaAs schottky varactors are utilized well into 200 GHz and higher frequency range. Another approach is the development of fundamental oscillators. The progress in GaAs tunnett diodes research now enables greater than 100 GHz operation with moderate power. Planar GaAs diodes are demonstrated as mixers. These devices are integrated to both waveguide feed and planar antennas for subharmonically pumped receivers. Metal meshes provide quasi optical coupling at these frequencies. Session WE3A: Microwave and Millimeter Wave Power Amplifiers Session Chair: Lawrence J. Kushner, MIT Lincoln Laboratory PHEMTs are making rapid inroads in microwave and millimeter wave power amplifier applications, with impressive power levels and efficiencies being reported as high as 94 GHz. Device and amplifier results presented in this session include 5W at 12 GHz, 3-4W at 20 GHz, 0.75-1W at 44 Ghz, and 0.7W at 60 GHz. The high power gain of these PHEMT devices has led to unprecedented efficiencies. The session concludes with a paper discussing PHEMT reliability under rf drive conditions. Session WE3B: Active and Quasi-Optical Antennas I Session Chair: Gabriel M. Rebeiz This session presents the latest results in grid-type power combiners and active antenna oscillators. New levels of high power (10W at X-band) and high frequency (215 GHz) are presented, as well as a full-wave analysis method for grid oscillators. Furthermore, an extension to 3-dimensional power combiners using the grid-approach is presented. The applications areas are in low-cost radar and communication systems. Session WE3C: FET Based Modelling Session Chair: Ingo Wolff, Duisburg University FET modelling is well developed in the mean time and the main effort today is to improve the available models with respect to temperature dependence and noise properties. Also with the mobile communications the silicon transistors more and more are coming up into the microwave area and they have some special problems in rf modelling which must be addressed in the future. Session WE3D: Practical Applications of Field Theory Session Chair: R. J. Trew, Case Western Reserve University Progress continues to be made in developing solution techniques for electromagnetic field problems. The progress achieved in both time domain and frequency domain solution techniques allows problems of practical interest to be addressed. In this session theoretical field solutions are applied to a variety of electromagnetic structures and wave propagation problems of interest to the microwave community. Session WE3E: Passive Components I Session Chair: Jesse Taub, AIL Systems Inc. This session highlights several advances in planar directional couplers, Wil Kenson power dividers and a magic tee. Many of the advances draw on improved modelling techniques as well as MMIC compatible processes. Coupling structures include braided microstrip, meander lines and multilayer microstrip. The Wilkinson dividers feature millimeter wave operations. The magic tee features multi octave performance. Session WE4A: SAW Filters and Convolvers Session Chair: Robert Weigel, Tu Munich Surface acoustic wave (SAW) components with very low loss and high frequency performance have been developed to meet the requirements of mobile communication systems. In particular, SAW filters and convolvers have a great potential for near term IF and RF applications. Besides outstanding electrical characteristics these devices have small size and weight, are highly reproducible, and need no tuning. Heterostructure acoustic charge transport (HACT) devices rely on a SAW-induced potential in a semiconductor. Unlike SAW devices, electronics can be readily fabricated on chip. Session WE4B: Active and Quasi Optical Antennas - 2 Session Chair: Amir Mortazawi, University of Central Florida New approaches in beam steering and amplification which are important requirements for practical quasi optical arrays are addressed in this session. We expect this work to lead to a new generation of low cost, electronically scanned radar and communicaton systems. Session WE4C: HBT Modeling Session Chair: Arvind K. Sharma, TRW/S&EG With the maturing of HBT device and processing technology, there is a strong interest in the development of HBT device models. This session focuses on small signal as well as large signal models. Papers on extraction of HBT equivalent circuit parameters and scaling have been included. Five papers on large signal SPICE models and their use in circuit simulators provide accurate simulation capabilities for HBT MMICs. Session WE4D (Focused Session): Dual Military and Commercial Use: Technologies and Applications Session Chair: Fazal Ali, Westinghouse Session Co-Chair: Eliot Cohen, ARPA Dual-use has come to mean utility within the military/space industry that is transferable to commercial products and vice-versa. In the microwave/millimeter-wave area, dual-use is critical, both in generating sufficient product demand to keep costs reasonable for military applications and allowing commercial products to benefit from technology advances that are resulting from military funded programs. As a result, Government agencies and defense contractors are expanding their roles in civilian and dual-use technologies. This focused session deals with the issues related to the defense conversion opportunities, emerging application areas and the requirements needed to stimulate customers and further use. Session WE4E: Passive Components II Session Chair: Wolfgang Menzel, University of Ulm This session highlighs latest developments in characterization of uniplanar structures and multilevel configurations. Many contributions are intended for applications for monolithic configurations. Examples are lumped coplanar elements, multilevel inductors and transformers, CPW T-junctions, CPW filter structures or a transition from coplanar line to slotline. Session TH1B: Millimeter Wave Low-Noise Receivers and Amplifiers Session Chair: J. Whelehan, AIL Systems, Inc. Continued development in the low-noise millimeter wave receivers and amplifier is an ongoing process. This development is leading to more mature hardware that will be used in future systems for various applications, such as millimeter imaging systems. Millimeter wave developments are also showing up in commercial applications, such as mobile communications, and this session will present results in this area also. Millimeter wave cryogenic low noise amplifiers are advancing and results will be presented. Session TH1C: Device and Circuit Measurements Session Chair: Roger D. Pollard, The University of Leeds Fast characterization of devices and circuits is now taken for granted by the microwave community. However, there is increasing attention being paid to the accuracy of measurements as well as a focus on characterizing non-linear circuits. Applicable to active devices is a discussion of pulsed I-V measurements providing additional information to the circuit designer as well as an interesting variation on the measurement of noise figure. The development of improved algorithms for S-parameter calibration continues and extends to a rigorous method for handling non-linear circuits. Session TH1D: Opto-Microwave Devices Session Chair: Chi H. Lee, University of Maryland As microwave and optical devices/technologies merge together for future system applications, more novel optoelectronic microwave devices and components are needed. This session deals with wideband multigigabit receivers, optoelectronic attenuators and switches, and optical injection locking oscillators. Session TH1E: CAD Methodology Session Chair: R. H. Jansen, Duisburg University This session reports on improved CAD methodologies in the area of harmonic balance simulation of microwave circuits and describes a new look at distributed amplifiers. Also, advanced design procedures for MMIC phase shifters and high speed VLSI interconnects are discussed. The general progress made reveals maturing simulation algorithms and consideration of all details required for realistic circuit design. Session TH1A: Opening Session NTC Conference (Joint with MTT) Session Chair: J. Horton, TRW The opening session of the NTC Conference includes the following: 1) Opening remarks by John Horton; 2) NTC program remarks by J. Van Egmond; 3) Invited paper - Active Electronically Scanned Arrays, E. Cohen, ARPA, Arlington, VA; and 4) Invited paper - Dual-Use Technology and the National Airspace System, R. J. Bowles and J. Goodson*, AIRINC Corp., Lexington, MA, *Electronic Systems Center, Hanscomb Air Force Base, MA Session TH2A: Active Array Radar Systems Session Chair: David Hammers, ITT Gilfillan Advanced radar systems will be heavily influenced by state-of-the-art solid state devices. Silicon, GaAs and other new materials bring the promise of high reliability, wide bandwidth and high efficiency operation. Also significant reduction in on board weight and volume hardware will occur. In this session military and commercial applications covering battlefield surveillance, UAV's and air traffic control are given using today's and tomorrow's active technology. Cost and producibility issues are also covered. Session TH2B: Receiver Components and Technology Session Chair: Ed Rezek, TRW Space and Electronics Group Recent developments in receiver components and technology have led to exciting applications and performance enhancements. The growing emphasis on commercialization of GaAs has produced a new class of components for low cost, commercial applications. Wireless communication and DBS components are presented. In addition a novel quasi-optical mixer has been realized using a resistive FET mixer integrated with a slot antenna. New technology developments have resulted in GaAs devices with excellent low noise performance at low dc power, ideal for commercial applications. Session TH2C: Microwave Measurements Session Chair: John T. Barr, IV, Hewlett Packard - SRSD The papers in this session illustrate the range of characteristics needing measurement by those involved in microwave design. The testing of films, materials, antennas and circuits will be covered. An interesting interaction of measurement tools and devices-under-test will be highlighted with systems that involved antennas, materials, radiometers and circuit probing techniques. Session TH2D (Focused Session): Integration of Photonic and Microwave Components Session Chair: Arthur Paolella, Army Research Laboratory Many new technologies are being developed for integrated optics that can be implemented in combination with microwave integrated circuits and MMICs to form high speed photonic modules. Technologies such as polymer and semiconductor optical waveguide for interconnects are being combined with microwave fabrication techniques. Monolithic circuits combining high performance lasers, driver circuits and phase modulators as well as photodetectors and amplifiers are being developed. Direct illumination of microwave devices is also receiving much attention from researchers. This session will present technologies available in photonics that can increase versatility in microwave systems such as distribution of cable television (CATV), high definition television (HDTV) and interactive television (ITV) as well as optical interconnects for high speed computing. Session TH2E: Field Theory Based CAD Session Chair: Vijai Tripathi, Oregon State University This session deals with the development of field theory based computer aided design techniques, modeling and simulation of microwave circuits. Papers include the analysis and inclusion of packaging effects and the implementation of design and simulation tools on parallel computers. Session TH3A: Phased and Active Array Session Chair: David Zimmermann, Texas Instruments This session includes a wide range of topics in phased and active arrays. The lead-off paper describes an application of the tile-approach architecture using spatial power combining of MMIC amplifiers. Additional papers describe techniques for beam steering component applications and array performance. These papers exhibit a number of innovative ideas and array applications of microwave technology. Session TH3B: Nonlinear Modeling and Analysis Session Chair: John W. Bandler, Optimization Systems Associates Inc. Clear emphasis on improving the accuracy of MESFET, HEMT and HBT models is evident in these papers. New models incorporate detailed parameter extraction procedures and experimental validation. Session TH3C: Electro-Optical Measurements Session Chair: Ron Ham, Thomas-Conrad Corp. Recent developments in light-electron interaction have produced both devices with new measurement requirements and new measurement techniques. The first paper in this session deals with the measurement of microwave circuit influence on a laser beam. The remaining four papers address minimal-invasive measurement techniques for MMICs using either optical probes or probes monitored by optical devices. Session TH3D (Focused Session): High Power Microwave Application in Material Processing Session Chair: Jitendra Goel, Space and Electronics Group, TRW During the past several years the requirements for new or additional high power microwave devices for military applications has been steadily declining. This has caused companies that are supplying microwave devices and systems to turn to commercial markets to sell their products. As government spending for high power microwave systems continues to decline, considerable effort is being expended by national laboratories and private industry to develop dual use applications for such systems. This focused session will present new and potential commercial applications with emphasis placed on dual usage of existing technology. Subjects included are: cellular telephone transmitters, RF accelerator transmutation of nuclear and hazardous waste, and applications of microwaves in cancer treatment. Session TH3E: MIC I - Frequency Converters and Amplifiers Session Chair: Frank Sullivan, Raytheon Company MIC power amplifiers are being advanced using HBTs, MESFETs and PHEMTs. An application of the Doherty amplifier principle at microwaves is demonstrated. A subharmonic pumped mixer using a PHEMT device and a broadband MIC image rejection mixer are presented. A varactor double which incorporates a novel CPW balun is described. It has an output frequency in the 6-10 GHz range. An ultra high speed GaAs MESFET IC with 0.1 micron gate length is used to demonstrate a 48.3 GHz divide-by-four dynamic frequency divider. Session TH4A: Microwave and Millimeter Wave System Applications Session Chair: Klaus Breuer, AIL Systems Inc. The desire for digital techniques in communications and surveillance has initiated development in microwave, millimeter wave as well as fiber optic technology. Improvements in automotive radars for road condition characterizations is being performed by many engineers internationally. Session TH4B: Propagation Characteristics of Planar Structures Session Chair: Samir M. El-Ghazaly, Arizona State University Several phenomena associated with wave propagation on planar structures are discussed in this session. Multi-layered and conductor-backed coplanar waveguides (CPW's) are studied. Complex leaky waves of partially open nonreciprocal slotlines are also included. This session is also concerned with transients on CPW's and directional couplers. Session TH4C: Packaging and Interconnect Technology Session Chair: Tim Kemerley, Air Force Wright Laboratory Papers include advancements in microwave high density packaging and interconnect technologies. New results are reported in the theory and development of MMIC flip-chips used in multi-chip assemblies; analysis and modeling of ceramic feedthrus and multi-layer microstrip circuits; development of low temperature cofired ceramic microwave modules; and MCM-L packaging technology. These results will be used to develop the next generation affordable high density MCMs. Session TH4D: High Power Microwave Sources and Control Session Chair: Jitendra Goel, TRW Inc. This session covers a wide variety of techniques and applications used in high power microwave sources and control. The first paper discusses a 90 KW L-band solid state radar transmitter with very high stability. The second paper describes a very compact, broadband high power amplifier for a SAR. The next paper is about full S-parameter measurements of high power GaAs power FETs at high operating power levels. The next paper describes a modified negative feedback circuit for reduced IMD without reduction in gain. We close the sesson with a paper on a novel circular patch rectifying antenna which converts microwave energy into DC power at 2.45 GHz. Session TH4E: Substrates and Applications Session Chair: John Pierro, AIL Systems Three of the papers describe the microwave and millimeter-wave application of low cost silicon. The papers demonstrate that silicon is capable of competing with GaAs as an interconnection medium up through millimeter-waves and is capable of producing high performance HBTs and two terminal devices. A paper describing the application of coplanar waveguide to a 6-18 GHz instantaneous frequency measurement (IFM) unit will be presented. In the last paper, the novel use of inverted stripline to a low cost antenna having an integrated Gunn power source will be presented. Session I: The Brave New Wireless World Session Chair: Eric Strid, Cascade Microtech Session Co-Chair: Rick Gold, Pacific Monolithics The exploding demand for wireless communications systems has created rapidly changing, chaotic markets, a rush by component, subsystem, and system vendors to fill the needs, and new cost levels for RF and microwave components. This opening session begins with an overall perspective of the status, forces of change, and future of telecommunications markets. A particularly dynamic application is wireless LANs, and the second paper investigates the technologies that will be necessary for wideband wireless LANs. With all the wireless activity, all of the major silicon IC merchants have taken aim at wireless system ICs. In two invited talks, the prospects for new silicon-based IC technologies are discussed and compared. Session II: RF Transceiver ICs Session Chair: Christian Kermarrec, Analog Devices Recent growth in wireless spread spectrum communications has led to the development of RF transceivers operating in the ISM bandwidths. Direct sequence as well as frequency hopping spread specturm 2.4 GHz GaAs transceiver using low cost technologies are presented. They mainly address wireless LAN and data collection systems operating at 2 Mb/s data rates or less. For the first time, a highly integrated single chip silicon bipolar configured transceiver array including the basic analog and mixed signal functions required to address multichannel applications from a few megahertz to 2 GHz is reported. The GaAs-silicon war has started. Session III: Millimeter-Wave MMICs I Session Chair: Dr. Louis Liu, TRW Session Co-Chair: Dr. Inder Bahl, ITT The MMW MMIC has made significant progress in the past few years due to the advancements in MMW design and 0.1 micron gate PHEMT processing techniques. Papers in this session will focus on recent achievements in output power and high level integration with innovative processing approaches. They also address new system applications and practical considerations such as power consumption, processing yield and final chip cost. Session IV: RF MMIC Power Amplifiers Session Chair: Fazal Ali, Westinghouse Electric Corp. Session Co-Chair: Vijay Nair, Motorola This session includes four papers addressing high efficiency, high power monolithic amplifiers for portable communications. These MMIC amplifiers utilize both GaAs MESFET and HBT technologies and cover the most popular 900 MHz GSM and 1.9 GHz digital cordless telephone applications. The session begins with an invited talk on competing in wireless markets. Session V: Millimeter-Wave MMICs II Session Chair: Dale Dawson, Westinghouse Electric Corp. Commercial applications for millimeter-wave MMICs are rapidly expanding in the areas of traffic control and wireless LAN. Europe has reserved the 63-64 GHz and 76-77 GHz bands for automotive applications and Japan has reserved 60 GHz for this purpose. There is also in Japan a wireless LAN application around 60 GHz. This session begins with an invited talk about joint NASA-JPL-industry efforts to streamline space qualification for MMICs. The next three papers in this session describe MMICs that meet the needs of these applications. The last paper describes a chip set that is a transceiver for satellite ground terminals. The six changes in the set completely fill out the 44/20 GHz transceiver block diagram. Session VI: RF Subsystems Session Chair: Don Green, Nippondenso Session Co-Chair: David Lovelace, Motorola As MMIC circuit yields and design techniques improve, the monolithic integration of RF subsystems becomes a feasible alternative to traditional hybrid circuit techniques, and promises to reduce size and cost for communication, navigation, and radar applications. Such monolithic approaches may also represent enabling technologies for a range of low cost, future consumer products and services, as well as reducing cost for military applications. This session presents papers on techniques and technologies for the compact, cost effective realization of mixers, modulators, amplifiers, and active combiners and tunable filters. Session VII: Amplifiers and Transceivers Session Chair: Jyoti Mondal, Northrop Corp. Session Co-Chair: Natalino Camilleri, Motorola SPS State-of-the-art results for GaAs HBT technologies for X-band high efficiency power amplifiers is reported. Novel circuit concepts for active biasing of LNAs and for improving the efficiency of distributed power amplifiers are explored. An X-band monolithic transceiver for consumer automotive applications is described. Session VIII (Joint with MTT): Signal Control Circuits Session Chair: Tim Kemerley, Air Force Wright Laboratory Session Co-Chair: Ho Huang, COMSAT Laboratories This session presents some novel approaches in the development of low cost, wideband mixers, oscillators and amplifiers. These components will have applications in both commercial and military systems. Session IX (Joint with MTT): Millimeter-Wave Receiver MMICs Session Chair: Hing-Loi A. Hung, Raytheon Co. Session Co-Chair: Marvin Cohn, Westinghouse Electric Corp. This session presents improved performance in the areas of LNAs, downconverters, and oscillators using PHEMT and HBT technologies. The benefits of these GaAs- and InP-based technologies for PHEMTs and GaInP/GaAs-based technology for HBTs are being exploited for better yield, uniformity, as well as higher outpower, lower NF, and phase noise. Session X (Joint with MTT): Novel Monolithic Technology Session Chair: Tom Midford, Hughes GaAs Operations Session Co-Chair: Roger Sudbury, MIT Lincoln Laboratory This session presents five papers dealing with novel or emerging monolithic circuit technologies. The first paper deals with a new resistive Schottky diode frequency doubler covering the full X- and Ku-bands. The second paper presents a novel HBT distributed amplifier based on attenuation compensation techniques which achieves a gain bandwidth product of 84 GHz. The next paper describes a 35 GHz HBT pulsed amplifier. The fourth paper presents a 35 GHz PIN diode switch and phase shifter technology which can be monolithically integrated with HBT circuits. The final paper of the session describes a very broadband (2-52 GHz) matrix distributed HEMT amplifier.