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Selecting the Right Filter for Your Wireless Design

November 19, 2007 11:11 am | Articles | Comments

Understanding the key parameters and technologies when selecting a proper radio frequency (RF) filters. By Scott S. Klettke, Murata Electronics North America Filters are prevalent in our daily lives. They range from coffee filters that keep the grounds out of our lattes to air filters that keep dust and dirt from our lungs.

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Increase Talk Time in CDMA Mobile Handsets

November 19, 2007 7:07 am | Product Releases | Comments

RF PAs are designed to work with the latest CDMA transceiver chipsets to reduce the total current consumption from the phone board. Prasanth Perugupalli, Eric Garloff, Andrew Prudente, Tom Arell, Henry Liwinski, Rattapon Lertpiriyapong, Dick Frey, Anadigics Inc. Various new features on cellular phones, such as high quality video, a high resolution screen, and a video camera consume large amounts of battery power, and call for ...

Practical Design Considerations — Ethernet versus RapidIO

November 19, 2007 6:38 am | Product Releases | Comments

Before committing to Ethernet in board- and chassis-level applications, engineers will find it useful to first compare Ethernet to alternative technologies such as the RapidIO specification. Greg Shippen, Freescale Semiconductor Engineers can be thought of as negotiators between the ideal world and the real world....

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Integrating an RF transceiver into a Cellular-Enabled Product Has Never Been Easier

November 19, 2007 6:06 am | Product Releases | Comments

Enhancing RF transceivers with embedded intelligence can significantly reduce the burden on the phone manufacturer when integrating EDGE or UMTS transceivers and when testing phones on the production floor. By Keith Tilley, Freescale Semiconductor Over the years, design-engineering teams tasked with creating cellular phones have warily regarded the transceiver portion as unfamiliar territory....

Qualcomm to Acquire Mobile Banking Leader Firethorn

November 15, 2007 9:36 am | Product Releases | Comments

Qualcomm Incorporated announces it has agreed to acquire Atlanta-based Firethorn Holdings, LLC, a industry-leading mobile banking enabler. The addition of Firethorn's expertise in the financial industry and key relationships with wireless operators, financial institutions and payment processors supports Qualcomm's broader strategy to enable end-to-end wireless services that enhance the mobile experience and to deliver compelling application...

Four-resistor Network

November 15, 2007 7:48 am | Product Releases | Comments

Vishay Intertechnology, Inc. announces the SMNZ ultra-high-precision Z-Foil four-resistor network. --> Vishay Intertechnology, Inc. announces the SMNZ ultra-high-precision Z-Foil four-resistor network, which provides a low absolute TCR of 0.05ppm/°C from 0°C to +60°C and ۪.2ppm/°C from 55°C to +125°C, a desirable PCR tracking of 5ppm at rated power, a tolerance match of 0....

Broad Band Variable Attenuator/Modulator

November 15, 2007 7:48 am | Product Releases | Comments

American Microwave Corporation offers model AGT-2018-60D-100 Option RW, a broad band variable attenuator/modulator with 60 dB dynamic range. --> American Microwave Corporation offers model AGT-2018-60D-100 Option RW, a broad band variable attenuator/modulator with 60 dB dynamic range, designed to operate over the full 0....

Advanced Circuit Materials

November 15, 2007 7:48 am | Product Releases | Comments

Rogers Corporation showcased several advanced circuit materials at the 2007 EuMW Week Show. These products are used in a wide range of high frequency applications, including the advanced packaging, antenna and power amplifier markets. Products displayed included new Enhanced Copper Bond Technology: This low profile copper technology provides tighter trace width tolerances, lower insertion loss and improved passive intermodulation at high op...

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Sophisticated Measurements at a Keystroke

November 15, 2007 7:48 am | Product Releases | Comments

The R&S FSU67 spectrum analyzer from Rohde & Schwarz is believed to be the first instrument worldwide that allows spectrum analysis up to 67 GHz in a single sweep. The R&S FSU67 extends the upper frequency limit in spectrum analysis from 50 GHz to 67 GHz, making external waveguide mixers superfluous....

Modular System for Wireless Receiver Test

November 15, 2007 7:48 am | Product Releases | Comments

Spirent Communications plc announces its SR5500 wireless channel emulator that is used to test wireless receivers that help to limit deployment problems. The emulator’s flexibility meets test requirements across wireless technologies without sacrificing performance or ease of use. Building blocks can be added to permit up to 8 RF I/O ports carrying 16 digital channels, all controlled by a single user interface....

Solid-State Amplifiers for EMC and Wireless Testing

November 15, 2007 7:48 am | Product Releases | Comments

AR/RF Microwave Instrumentation releases its 5S10G20A and 20S10G20A solid-state amplifiers that are suitable for EMC and wireless testing, covering the 10 to 20 GHz frequency range. Model 5S10G20A offers 5 W of power, and model 20S10G20A provides 20 W. Both models are tough, durable and are full Class A....

X-Band Medium Power Amplifiers with Gain Control

November 15, 2007 7:48 am | Product Releases | Comments

Hittite Microwave Corp. announces its models HMC608 and HMC608LC4 dual mode medium power amplifiers for microwave radio and military applications that operate in the frequency band of 9.5 to 11.5 GHz. These amplifiers are suitable for use in point-to-point radio, VSAT, military and space applications where high power, high gain and low power consumption is required....

High Frequency 17-40 GHz Narrow Band Circulators

November 15, 2007 7:48 am | Product Releases | Comments

Raditek announces its Aditek high frequency, narrow band coaxial circulator that covers 17.0 to 40.0 GHz 5 percent bandwidth standard with optimal specifications and K (2.9) connectors. Isolator models are also available. Dimensions without connectors is 8.0后.0同.4 mm. www.raditek....

Clad Capacitors

November 15, 2007 7:48 am | Product Releases | Comments

CDE’s MLC RF clad capacitors, SMT types MCM & MIN, successfully pass a guaranteed minimum 5 mm flexure using the stringent automotive electronics council test procedure AEC-Q200, method 005. --> CDE’s MLC RF clad capacitors, SMT types MCM & MIN, successfully pass a guaranteed minimum 5 mm flexure using the stringent automotive electronics council test procedure AEC-Q200, method 005....

Series Chip Resistor

November 15, 2007 7:48 am | Product Releases | Comments

TT electronics IRC Advanced Film Division offers a comprehensive range of high temperature resistive products, including the PFC-HT series chip resistor, PFC-HT Divider Series voltage divider, 1900 Series DIP resistor network and 4700 Series SIP resistor network. --> TT electronics IRC Advanced Film Division offers a comprehensive range of high temperature resistive products, including the PFC-HT series chip resistor, PFC-HT Divider Seri...

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