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Industry News

S-band High Power Solid-state Amplifier Design and Development

The design and development of a 230 W power amplifier operating at S-band (2.35 to 2.45 GHz) is described. The motivation behind this development is the need for a microwave driver amplifier to be used in the linear accelerator facility at the Institut...
Yorgos Stratakos and Panayotis Betzios, National Technical University
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The starting point for the design of the S-band high power amplifier was that it had to meet the specifications given in Table 1 . These specifications are dictated by the actual operating conditions of the magnetron, which the amplifier is going to feed with microwave power. Solid-state technology...
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Design of a Novel Balun for a Star Configuration Double-balanced Mixer at S-band

A double-balanced mixer (DBM) has some advantages over other types of mixers. Ring and star configurations are available for the construction of a DBM. Between the two, the star configuration is preferred for high frequency operation. The star configur...
Sun-Sook Kim, Jong-Hwan Lee and Kyung-Whan Yeom, Chungnam National University
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The merits of a doubly balanced mixer (DBM) include high dynamic range, good port-to-port isolation and rejection of even-order spurious responses. 1 The ring configuration, using two trifilar wound ferrite transformers, is most commonly used for DBMs at low frequencies. The application of a transformer DBM is, however, limited...
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Leading-edge SAW Filters for Short Range Devices

Exa¨el Alexander, Temex
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The last few years have seen the manufacturers of chips for short range devices (SRD) operating in the ISM frequency bands (315, 433, 869 and 915 MHz) significantly improving their products. Alongside this, SAW device manufacturers have been endeavoring to develop products offering the best solutions in terms of...
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A Unique New Technology for RF Budget Analysis

Applied Wave Research Inc. (AWR)
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The primary motivation for using a system simulator is to establish the right system architecture and formulate suitable specifications for each of the underlying components. Accomplishing this goal helps companies to reduce time-to-market by eliminating iterations and rework, and to reduce system cost by ensuring that components are not...
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A Low Profile Switch Filter Bank

Lorch Microwave
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Switch filter banks or integrated filter assemblies have been primarily built as large high profile block type structures that consume a large portion of available design space. This has primarily been driven by the physical limitations of the RF filters, switches and control circuitry. The Lorch Microwave model 4IFA-1600/22-300-MP...
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Two Cards to Convert a Microwave Receiver into a State-of-the-Art ELINT System

SenSyTech Inc.
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Once again the global market for capable electronic intelligence gathering systems is heating up in the wake of increased investments supporting homeland defense both in the US and overseas. Companies that already develop and produce microwave receivers capable of covering the UHF thorough millimeter-wave bands may already have products...
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Comprehensive Models for RLC Components to Accelerate PCB Designs

Modelithics Inc.
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Powerfully flexible software models are now available for surface-mount (SMT) resistor, inductor and capacitor (RLC) components that are accurate over wide ranges of frequency, part value and mounting configurations. These unique, substrate-scalable Global Models™ are developed from careful measurements taken in typical application circuit mounts on multiple boards. Global...
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A Compact 3.6 to 13.3 GHz Frequency Doubler Module

Planar Electronics Technology
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A new local oscillator (LO) doubler module has been introduced that covers the 3.6 to 13.3 GHz output range in a compact 3.0" x 1.5" x 0.375" package. The doubler features internal filtering and voltage-variable output power. The model PFDM-3R66R65-13-7R5DC-SFF takes a 3.6 to 6.65 GHz RF input signal...
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New Products

Microwave Journal
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NEW WAVES: AMPLIFIERS AND OSCILLATORS High Power Amplifier The model PHC 447-500 is a 500 W pulsed high power amplifier (HPA) that utilizes class AB bias to achieve high linearity. This amplifier is designed to operate up to 10 percent duty factor and pulse widths up to 2 ms....
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Around the Circuit

Microwave Journal
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Industry News ATK (Alliant Techsystems) has acquired Mission Research Corp. in a strategic transaction that will enable an advanced aerospace and defense technology pipeline spanning concept development to full-scale production. The company, which has approximately 560 employees, has anticipated current-year sales of between $170 and $180 M. With new...
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