RF & Microwave Industry News

An Educational Antenna Measurement System

A low cost, yet versatile, automated antenna measurement system designed to be located in a space-limited test emvironment
An Educational Antenna Measurement System ORBIT/FR Horsham, PA The AL-2000-EDC Educational Antenna Measurement System is a low cost, yet versatile, automated antenna measurement system that allows a variety of antenna measurements to be accomplished in a small facility for a variety of antennas. The system is configurable for all...
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Analog and Digital Signal Generators with High Spectral Purity

A new series of spectrally pure signal generators with extremely low phase noise and flexible digital modulation capabilites for current and future communcations requirements
Analog and Digital Signal Generators with High Spectral Purity Hewlett-Packard Co. Santa Rosa, CA Due to the increasingly stringent requirements for communications channels, today's signal generators must have extremely low phase noise to determine if a device, component or subsystem meets test specifications. A new series of spectrally pure...
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A 165 W LDMOS FET for 900 MHz Operation

165 W laterally diffused metal-oxide semiconductor (LDMOS) FETs for amplifier applications from 860 to 900 MHz are featured on this month's cover
A 165 W LDMOS FET for 900 MHz Operation An internally matched, common source, N-channel, enhancement-mode laterally diffused metal-oxide semiconductor (LDMOS) FET intended for large-signal amplifier applications in the 860 to 900 MHz frequency range has been developed. The model PTF 10100 LDMOS FET is rated at 165 W...
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Advanced Large-signal Models for Transistor Parameter Extraction Software

An upgraded version of the LASIMO software that can conveniently make MESFET measurements and fit the data to advanced large-signal models
Advanced Large-signal Models for Transistor Parameter Extraction Software Optotek Ltd. Kanata, Ontario, Canada Accurate model generation is becoming a progressively more important part of the computer-aided-design process. Of special importance are large-signal models capable of accurately predicting the performance of nonlinear circuits. LASIMO large- and small-signal modeling software 1...
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Modeling of Metal and Substrate Losses in CMOS and BiCMOS Inductors for RFICs

An improved lumped-element equivalent circuit of silicon integrated inductors that accurately characterizes effects on the quality factor of the electromagnetic coupling between the metal strips and substrate
Technical Feature Modeling of Metal and Substrate Losses in CMOS and BiCMOS Inductors for RFICs Paolo Arcioni, Rinaldo Castello, Luca Perregrini, Enrico Sacchi and Francesco Svelto Please click here to view the pdf file of the Technical Feature...
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Low Cost Briefcase Satphone Terminal Antennas

The investigation of two low cost antenna arrays, a two-element metallic disc linear antenna and a 2 x 2-element sequentially fed aperature-coupled planar array antenna
Low Cost Briefcase Satphone Terminal Antennas Two low cost L-band briefcase satphone terminal antennas, a two-element linear array of probe-fed metallic discs and a 2 x 2-element sequential feed planar array of aperture-coupled microstrip patches are investigated. The two antennas were tested indoors in an anechoic chamber and outdoors...
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Compact Internal Multiband Microstrip Antennas for Portable GPS, Cellular and Satellite Phones

Multiband internal integrated microstrip antennas that can be designed with only one feed point or multiple feed points and provide good performance both beside the human body and in free space
Compact Internal Multiband Microstrip Antennas for Portable GPS, PCS, Cellular and Satellite Phones Mohamed Sanad and Noha Hassan AMANT Reno, Nevada Compact multiband internal integrated microstrip antennas have been developed for different combinations of hand-held portable global positioning systems (GPS), PCS, cellular satellite phones, Personal Computer Memory Card International...
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COMPONENTS

COMPONENTS 0.5 - 3 GHz Miniature Digital Attenuators The models AA105-86 and AA106-86 single positive control GaAs IC FET digital attenuators are four and five bit, respectively. The AA105-86 offers high attenuation accuracy at 1 dB steps to 15 dB; the AA106-86 features high attenuation accuracy at 0.5 dB...
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SUBSYSTEMS

SUBSYSTEMS 1000 W Power Supply The TX1000 series single-output, 1000 W power supply with active input power factor correction circuitry accommodates a 90 to 264 VAC input for global applications. Standard output configurations include 3.3, 5, 12, 15, 18, 20, 24, 28, 36 and 48 V models to support...
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