Semiconductors / Integrated Circuits

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European Supplement Research@mwjournal.com Richard Mumford Microwave Journal European Editor A commitment to well funded, focused, commercially viable research is critical to the future prosperity of the microwave industry. In this special report Microwave Journal takes a snapshot of the research projects being investigated by academic and commercial establishments across...

PRODUCT FEATURE  Integrating System and Circuit Simulation Capabilities Applied Wave Research Inc. (AWR) El Segundo, CA Version 5.0 of Microwave Office Design Suite will begin shipping in the fourth quarter of this year. The new release, called Microwave Office 2002, includes integrated system simulation capabilities that close the gap...

PRODUCT FEATURE A 17 to 27 GHz GaAs MMIC Gain Block Amplifier from Multiple Sources Mimix Broadband Webster, TX A GaAs MMIC three-stage gain block amplifier covering the 17 to 27 GHz frequency range has been developed that features the option of individually biasing the three stages or biasing...

TECHNICAL FEATURE Finite Element Determination of the Intrinsic Small-signal Equivalent Circuit of MESFETs The finite element time domain method is used to determine the intrinsic elements of a broadband, small-signal equivalent circuit (SSEC) of FETs. The values of the different elements are calculated from the Y parameters of the...

TECHNICAL FEATURE A Method of Measuring Large-signal S-parameters of High Power Transistors A measurement method for scattering parameters (S-parameters) of high power transistors is presented. The proposed method directly determines the S-parameters of high power transistors by measuring overall gain, phase and S-parameters of input and output matching network...

TECHNICAL FEATURE Design of a Planar Microstrip Balun at S-band An innovation for the Marchand balun model is presented. The structure of the designed planar microstrip matching circuit is fairly simple, practical and easily fabricated without requiring complex multiple metal or dielectric layers. Moreover, the designed balun performs well....

PRODUCT FEATURE ="BANNER"> Using APLAC to Simulate an RFIC Mixer APLAC Solutions Inc. Irving, TX Mixers are important RF elements in modern communication devices. As the size of devices is reduced, RF integration is increased. Using the APLAC Design Suite, integrated mixer circuitry can be simulated using the RFIC...

TECHNICAL FEATURE Frequency Control in a Low Voltage, Wide Tuning VCO Design at 2.4 GHz A low voltage and wide tuning range voltage controlled oscillator (VCO) at 2.4 GHz is developed for ISM applications. A design procedure with the parasitics of packaged devices considered is offered. A VCO with...

TECHNICAL FEATURE Two Novel Radar Vehicle Detectors for the Replacement of a Conventional Loop Detector In this article, intrusive and non-intrusive radar vehicle detectors, compatible with existing inductive loop detectors (ILD) without any modification of the communication algorithm, have been developed at 24 GHz. The intrusive detector is based...

TECHNICAL FEATURE A Ka-band Planar Printed Antipodal Linearly-tapered Slot Antenna A Ka-band (27 to 32 GHz) planar antipodal linearly-tapered slot antenna (ALTSA) is designed, fabricated and measured. The numerical simulation was performed by 3D finite-element method (FEM). The printed ALTSA has been realized by using an RT/Duroid printed circuit...