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Software Defined Radio Solutions for DF Signal Processing Systems

October 3, 2001 10:57 am | Comments

Tim Owen, Spectrum Signal Processing Introduction Direction Finding (DF) is a term used for the electronic location (mainly), tracing and distinguishing of targets that are a source of electromagnetic signal transmissions. The technique can be employed in far ranging applications from radio hobbyists up to sophisticated military communications systems....

Remote Control of RF Power Amplifiers Via Ethernet

October 1, 2001 5:02 am | Comments

Moving from IEEE488/RS232 connectors to Ethernet. By Thomas Mullineaux, Ophir RF Inc. Look on the rear panel of most test instruments and you will see IEEE488/RS232 connectors. These interfaces have dominated test system control interconnection for many years, and with good reason. For instance, regarding the IEEE488, many electrical engineers have grown up with this connection method, it has a well defined protocol, and is well suite...

Design Considerations When Using Flash Microcontrollers in Wireless Applications

October 1, 2001 4:49 am | Comments

The future of Flash microcontrollers. By Rodger Richey, Microchip Technology Inc. The microcontroller remains one of the most ubiquitous electronic components used in wireless applications today. While many engineers have designed with read-only-memory (ROM) or one-time-programmable (OTP) versions, Flash-based microcontrollers are emerging as the definitive choice for a variety of new designs....

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Improving Voice Capacity in 3G Systems

October 1, 2001 4:49 am | Comments

Higher data rates are only part of the story of next-generation wireless architecture. By Stash Czaja and Hong Kui Yang, LSI Logic Listening to descriptions of 3G wireless standards, it would be easy to assume that the only important attribute this new technology will bring is its enhanced data rate....

Passive Component Development in a Dynamic Market

October 1, 2001 4:49 am | Comments

A Suppliers Perspective on Broadband By Donald R. Widener and Gerry Hubers, Murata Electronics North America What's happened to the telecommunication market? Only a short time ago, what appeared to be a never-ending chain of opportunity has quickly become a quagmire of confusion and inventory at all levels throughout the supply chain....

Infrared Receiver Modules

October 1, 2001 4:41 am | Comments

Vishay Intertechnology announced that it is now the number-one producer of the infrared (IR) receiver modules that are used in remote controls for TV sets, DVD players, VCRs, set-top boxes, game pads and a host of other applications. Despite the large volumes in which they are produced, the design and manufacture of infrared receivers remains an exacting science....

Voltmeter

October 1, 2001 4:41 am | Comments

TDL Technology announces their Model 517, an audio peak-to-peak voltmeter was designed to set the amplitude of speech and music signals to prevent clipping. The 517 is especially useful for setting the input level to analog-to-digital converters and analog recording/playback integrated circuits. The peak detectors have fast attack and slow release times to properly track the level of a complex audio signal....

Microwave/RF Capacitors

October 1, 2001 4:41 am | Comments

AVX Corporation Accu-P® Series thin film capacitors, the industry's highest performing RF/microwave capacitors are now available in a 0201 size. The 0201 Accu-P Series features high SRF and low ESR at high frequencies, extremely tight tolerances (± 0.02 pF), along with the consistency of all these specifications within a manufacturing lot and on a lot-to-lot basis....

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Magnetic Transformer Modules

October 1, 2001 4:41 am | Comments

Just released from Bel is a two-member (S558-5999-Z3 and S558-5999-Z4) family of surface mount magnetic transformer modules conforming to IEEE 802.3u standards. Boasting an extended operating temperature range of -40° to +85° C, these newest devices from Bel are the first quad modules in the company's growing line of LAN magnetics for industrial Ethernet....

EMI Shielding Catalog

October 1, 2001 4:41 am | Comments

Tecknit is offering a free 158 page updated EMI Shielding Products catalog. This catalog provides comprehensive detail on the many EMI/RFI Shielding Products Tecknit offers such as wire mesh, metal fibers and screens, oriented wire, conductive elastomers, windows, air vent panels, conductive systems, shielding components and low closure force gaskets....

FIP Gaskets

October 1, 2001 4:41 am | Comments

A new line of Formed-In-Place (FIP) Gaskets is being offered by the Dymax Corporation. Curing completely upon exposure to UV light in seconds, these new FIP gaskets allow assembly of parts immediately. Called the GA100 Series, the new line is composed of 5 formulations that represent a range of properties suitable for a variety of different gasket applications....

LED Displays

October 1, 2001 4:41 am | Comments

Datel's new DMS-30PC-4/20-BS is the first 4/20 mA process monitor flaunting a full-size, vibrant blue display. These new LED readouts exploit recent silicon-carbide developments to present eye-catching "readability" unmatched by other display technologies. The large (0.56 inches/14.2 mm), brilliant blue digits are easily visible from as far as 20 feet, making them ideal for monitoring your most critical process parameters....

Potting Compounds

October 1, 2001 4:41 am | Comments

New UV curing potting compounds provide an instant UV curing feature with the ability to cure at room temperature to depths of an inch or more and in areas under components where the light does not reach. Designated 960 A/B and 961 A/B, the new products are designed for ease of application through typical disposable tip static mix dispensers....

Operational Amplifier

October 1, 2001 4:41 am | Comments

A tiny 650 kHz, rail-to-rail output, operational amplifier that operates down to 2.7 V supply while consuming only 4.6 uA is now available from Micrel Semiconductor. The MIC861 operates from 5 V down to 2.7 V and provides a -3dB bandwidth of 650 kHz and a 400kHz gain-bandwidth product, yet consumes only 4....

Low Dropout Regulators

October 1, 2001 4:41 am | Comments

The first two devices in a new generation of micropower CMOS low dropout regulators (LDOs) for battery-powered applications are now available from Micrel Semiconductor. Featuring the industry's best performance in terms of dropout, transient response and noise, the MIC5255 and MIC5256 expand Micrel's growing line of 150mA micropower LDOs in IttyBitty™ SOT-23 packaging....

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