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Industry News

Nonlinear Waveform Prediction in Fast Microwave Circuits

A time domain, transient analysis simulator that allows the prediction of waveforms in fast, nonlinear circuits in which accurate S-parameter data can be imported and used
Nonlinear Waveform Prediction in Fast Microwave Circuits Optotek Ltd. Kanata, Ontario, Canada MMICAD WAVEFORM,™ a new time domain, transient analysis simulator, allows the prediction of waveforms in strongly nonlinear circuits in which accurate S-parameter data can be imported and used in the simulation. The new time domain software is...
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Design and Impementation of an X-band DR Bandpass Filter

Design and implementation of an X-band bandpass utilizing two cylindrical dielectric resonators (DR) coupled to microstrip lines in a metallic rectangular cavity
Technical Feature Design and Implementation of an X-band DR Bandpass Filter Jwo-Shiun Sun and Yao-Liang Huang Please click here to view the pdf file of the Technical Feature...
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Circularly Polarized, Aperture-coupled Patch Antennas for a 2.4 GHz RFID System

The design of aperture-coupled patch antennas for an active read/write microwave tagging system using a circular polarization modulation
Circularly Polarized, Aperture-coupled Patch Antennas for a 2.4 GHz RFID System Marcel Kossel, Hansruedi Benedickter and Werner Bächtold Swiss Federal Institute of Technology (ETH), Zurich Laboratory for Electromagnetic Fields and Microwave Electronics Zurich, Switzerland Roland Küng University of Applied Sciences Rapperswil (HSR) Rapperswil, Switzerland Jan Hansen Swiss Federal Institute...
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Design of Small-signal Amplifiers Using HP MDS: Part I

The first of a two-part series that describes a step-by-step approach using the Hewlett-Packard Microwave Design System (HP MDS) to design small-signal amplifiers
Technical Feature Design of Small-signal Amplifiers Using HP MDS: Part I Yew Hui Liew, Mook Seng Leong and Jurianto Joe Please click here to view the pdf file of the Technical Feature...
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Computation and Measurement of the Polarization Ellipse

An algorithm that synthesizes all polarization properties from two orthogonal vectors
Technical Feature Computation and Measurement of the Polarization Ellipse Ronald A. Marino and Wesley Hearst Please click here to view the pdf file of the Technical Feature...
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Intermodulation Characteristics of Ferrite-based Directional Couplers

Minimizing the efects of intermodulation and cross-modulation in ferrite-based passive components through proper selection of ferrite core materials with regard to permeability and size
Technical Feature Intermodulation Characteristics of Ferrite-based Directional Couplers Shane Collins and Kieran Flynn Please click here to view the pdf file of the Technical Feature...
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A Low Cost, High Performance Point-to-point Slotted Waveguide Array

Design and measurement of a resonant slotted waveguide array for a point-to-point application at 23 GHz
A Low Cost, High Performance Point-to-point Slotted Waveguide Array A slotted waveguide array intended for point-to-point radio link applications has been designed for the 23 GHz frequency band with a total bandwidth of more than 10 percent. (Resonant slot antennas typically have a lower percentage bandwidth.) The antenna shows...
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A Primer on Bonding Wire Parameters

Lead bonding wire fundamentals
A Primer on Bonding Wire Parameters A fine wire manufacturer offers some fundamentals for those involved with lead bonding wire. Mike Greenelsh California Fine Wire Grover Beach, CA Ongoing demands for higher IC utilization with minimal board real estate are producing high densities of connections between chips and packages....
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Devices

Components 100 dB Isolation SP4T Switch The model SWN-1170-4DT-AKG-STANDARD option 120 ultrabroadband SP4T switch is capable of 100 dB isolation over the 100 MHz to 20 GHz frequency band. Insertion loss is < 4.5 dB, SWR is 1.9 and supply voltages are +5 V at 176 mA and -12...
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Subsystems

Subsystems Digital Radio Subsystem The model PMC/SB3410 advanced digital radio front-end module has been combined with the model VME/C6420 signal processing platform to produce a digital radio subsystem that is ideal for developing the most advanced signal intelligence systems. The PCM/SB3410 is a full duplex, wideband digital transceiver module....
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