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Passive Components

High Speed Analysis and Optimization of Waveguide Bandpass Filter Structures Using Simple Neural Architectures

Presentation of a simple and accurate neural architecture to facilitate the design of waveguide bandpass filter stuctures
TECHNICAL FEATURE High Speed Analysis and Optimization of Waveguide Bandpass Filter Structures Using Simple Neural Architectures At microwave frequencies, from about 7 to 60 GHz, inductive irises are very often used as coupling networks between half-wavelength cavities in rectangular waveguides to develop very selective low loss bandpass filters. This...
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Power Efficient MMIC Frequency Triplers

Presentation of an approach to optimize the power efficiency of an MMIC frequency tripler
TECHNICAL FEATURE Power Efficient MMIC Frequency Triplers The design of an efficient frequency tripler for an S-/X-band communications receiver is described. An approach for optimizing the tripler for best power efficiency is presented. The tripler topology consists of the harmonic generator circuit, a bandpass filter and an amplifier. A...
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SiGe Power Amplifier ICs with SWR Protection for Handset Applications

Detailed description of how SiGe technology is used to develop power amplifier ICs for wireless handset applications
TECHNICAL FEATURE SiGe Power Amplifier ICs with SWR Protection for Handset Applications Joe Pusl and Srikanth Sridharan IBM San Diego RFIC Design Center Encinitas, CA Philip Antognetti, David Helms, Anurag Nigam, James Griffiths, Kenneth Louie and Mark Doherty IBM Boston RFIC Design Center Lowell, MA In recent years there...
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Low Cost Directional Couplers

A new series of low cost, high quality directional couplers is featured
ON THE COVER Low Cost Directional Couplers Mini-Circuits Brooklyn, NY Ever expanding applications of RF and microwaves for wireless and cable applications have revived the development efforts of components at these frequencies. There is a continuing demand to reduce size and cost, and to improve performance and quality at...
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