Transmission-Line Components

DC to 26.5 GHz Size 8 Coaxial Contacts that Fit Standard MIL-C-38999 Connectors

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DC to 26.5 GHz Size 8 Coaxial Contacts that Fit Standard MIL-C-38999 Connectors

Times Microwave Systems, Wallingford, CT

Introduction to a series of coaxial contact designs capable of operating broadband from DC to 26.5 GHz

Times Microwave Systems has introduced a new series of Size 8 coaxial contact designs that fit all standard MIL-C-38999 connector shells and are capable of operating broadband from DC to 26.5 GHz with exceptional electrical performance.

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Design of Bias Tees for a Pulsed-bias, Pulsed-RF Test System Using Accurate Component Models

In this article, a design of custom bias tees to be used in a pulsed-bias, pulsed-RF measurement system is described. The bias tee design is such that the DC path allows bias pulses to pass through to the device unchanged, while still allowing RF measu...
This article describes the design of a bias tee for a pulsed-bias, pulsed-RF test system. The cut-off frequency of the DC path was raised to allow pulsing of the bias signal. The theory of bias tee design for pulsed measurements is first presented. The simulation results for the design...
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Fast and Accurate High Power Device Characterization with a Microstrip SOL Method

High power device characterizations, performed with a microstrip short-open-load (SOL) calibration kit, are presented. This article demonstrates an interesting alternative to the classical through-reflect-line (TRL) method, when only terminating impeda...
Precise device characterization is the starting point of any good circuit design. This task can be particularly challenging when the device is a high power transistor having low input and output impedances. For devices working only under pulse conditions, specific test benches exist 1 but are rather complicated and...
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2003 Connector, Cable and Cable Assembly Survey

This is the first survey of connectors, cables and cable assemblies sponsored by Microwave Journal. We hope to update it annually with increased industry participation.
On December 13, 2002, we sent a questionnaire to 75 companies that provide products and services in this field, with a response deadline of January 11th. We used e-mail rather than the USPS so that we would have feedback that all the questionnaires were received. On January 3, 2003,...
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Precision Test Cable Assemblies to 40 GHz

The Accu-Test™ products are a family of precision cable assemblies that are designed for use in the DC to 40 GHz frequency range, intended to facilitate accurate measurements and exhibit low loss characteristics at a competitive price for precision test and measurement applications. The family is currently comprised of...
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An EM Simulator for MEMS and Real Life MMICs

Introduction to a low cost software package used to address the 3D EM analysis of structures involving complex substrates as encountered in common MMIC design
Product Feature An EM Simulator for MEMS and Real Life MMICs MEM Research Spoltore, Pescara, Italy Generally speaking, there are two large families of commercially available electromagnetic (EM) solvers. The first one is a general-purpose set, covering the analysis of arbitrarily shaped structures and using finite elements or differences,...
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