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Industry News

A 2.2 to 2.4 GHz Dual 8 x 2 Switch Matrix

A switching matrix that is both phase and amplitude balanced to assure proper operation and provide a low loss path with good isolation
A 2.2 to 2.4 GHz Dual 8 x 2 Switch Matrix Technical Research and Manufacturing Inc. (TRM) Bedford, NH One of the key components of a phased-array radar system is the RF switching network that directs the various RF signals to and from the respective antenna elements. This switching...
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CDMA RFIC Upconverters

Upconverters designed specifically for the transit sections of both dual-mode code-division multiple access (CDMA)/FM cellular and personal communications service handset applications
CDMA RFIC Upconverters QUALCOMM Inc. San Diego, CA Few products are on a faster track than today’s digital wireless handsets. Currently, the industry is scrambling to meet the demand for these improved telephones. As a result, component manufacturers must generate new devices that enable the handset manufacturers to design...
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Chip-size Package Technology for Semiconductors

A novel chip-size ball-grid array package construction, process flow and reliability data
Chip-size Package Technology for Semiconductors Chip-scale packaging (CSP) of IC devices is rapidly gaining acceptance worldwide because of intrinsic size advantages, the promise of highly favorable cost/performance trade-offs and reliance on existing materials and assembly infrastructures. The compliant, flex-circuit-based package is increasingly being viewed as the CSP method of...
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Designing High Speed Paging Systems

Solutions and approaches to the design of new pagers and the software, hardware and semiconductor products that are becoming standard in this area
Designing High Speed Paging Systems The area of pager systems is changing with the introduction of new paging standards, particularly FLEX, in all worldwide markets. The semiconductor concepts for new pagers are developing rapidly toward even higher integration. Single-chip concepts, including decoding, controller tasks, level shifting, frequency synthesizer and...
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Behavior of GaAs FET Pulsed IV Characteristics

A comparison of the IV characteristics of GaAs MESFET devices acquired under a variety of pulsed conditions
Behavior of GaAs FET Pulsed IV Characteristics The IV characteristics of GaAs MESFET devices acquired under a variety of pulsed conditions are compared. The results show that the differences between the static and pulsed characteristics are not due to thermal effects alone as is sometimes assumed. J. Rodriguez-Tellez University...
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A Versatile Test Bench for Wireless RF/Microwave Component Characterization

A low cost RF/microwave test bench comprising a network analyzer, spectrum analyzer and signal source fro measurements between 0.3 and 3 GHz
A Versatile Test Bench for Wireless RF/Microwave Component Characterization Recent advances in instrumentation, motivated by the volume and cost demands of the commercial wireless marketplace, allow a powerful RF/microwave test bench to be assembled at relatively low cost. A versatile test bench comprising a vector network analyzer (VNA), spectrum...
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Multilayer Bonding and Fabrication Guidelines

Fabrication of reliable, low cost multilayer structures aided by new materials and increased information
Multilayer Bonding and Fabrication Guidelines John Bushie Taconic ADD Petersburgh, NY Increased performance requirements, packaging size and cost reductions have placed a new pressure on the RF design engineer and PCB fabricator to develop new and innovative solutions. One of the recent approaches to achieving these objectives is combining...
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Around the Circuit

Around the Circuit INDUSTRY NEWS Shareholders of Northrop Grumman Corp. have approved a merger pursuant to which the company will become a wholly owned subsidiary of Lockheed Martin Corp. Of the more than 54 million shares voted (representing approximately 80 percent of the total shares outstanding), more than 97...
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New Products: Components

COMPONENTS Wideband Switch The model 1604 wideband 16 input x four output monitoring switch features a 3 to 14.5 GHz bandwidth, which makes it versatile for monitoring RF signals in a wide range of applications. Insertion loss is 12 dB (max) and input-to-output isolation is 60 dB (min). Each...
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New Products: Software

SOFTWARE FPGA Programmer The Silicon Sculptor PC-based field-programmable gate array (FPGA) programmer is designed for programming the company’s devices from a desktop PC rather than in a lab. A single adapter module can be used to program all devices within a package type, regardless of pin count. In addition,...
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