Industry News

A Transceiver Chipset for 2.4 GHz Direct Sequence Spread Spectrum Applications

A transceiver chipset for 2.4 GHz direct sequence spread spectrum applications is featured on this month's cover
A Transceiver Chipset for 2.4 GHz Direct Sequence Spread Spectrum Applications RF Micro Devices Greensboro, NC The 2.4 GHz industrial, scientific and medical (ISM) band is coming of age, largely due to the coincidental emergence of three wireless local area network (LAN) standards. However, there are still relatively few...
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Programmable Attenuator Subsystems

A flexible, easy-to-program, low cost attenuator solution for benchtop test and calibration setups and sunsystem applications
Programmable Attenuator Subsystems Weinschel Corp. Frederick, MD Finally there is a low cost, easy-to-use programmable attenuator for use on the test bench or in subsystem applications. The new 8310 series SmartStep™ attenuator units represent a new concept in programmable attenuation that is both flexible and easy to program. The...
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Digital Predistortion Techniques for RF Power Amplifiers with CDMA Applications

The application of digital predistortion to both GaAs and laterally diffused metal oxide semiconductor amplifiers with narrowband and wideband input signals
Technical Feature Digital Predistortion Techniques for RF Power Amplifiers with CDMA Applications Frank Zavosh, Mike Thomas, Chris Thron, Tracy Hall, Daniel Artusi, David Anderson, David Ngo and David Runton Please click here to view the pdf file of the Technical Feature...
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Microwave MCM-C Utilizing Low Loss LTCC and Photo-patterning Processes

A new low loss, low temperature cofired ceramic (LTCC) technology, offers outstanding interconnect density and microwave performance
Microwave MCM-C Utilizing Low Loss LTCC and Photo-patterning Processes Microwave applications at frequencies in excess of 1 GHz, such as wireless devices, are well suited to ceramic construction. Other circuit fabrication technologies do not exhibit the same balance of low loss, precise geometries, cost and reliability. In addition, ceramic...
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Vector Signal Measurement for 38 GHz Digital Radio Applications

A 38 GHz vector signal measurement test set and its application for performing vectorsignal analysis of a 37 to 40 GHz power amplifier module
Vector Signal Measurement for 38 GHz Digital Radio Applications G. Samuel Dow, Jeff Yang and Kuo-Hsiung Yen, TRW, Electronics Technology Division Redondo Beach, CA Robert Matreci, Eric Spotted-Elk, Stephen Pettis and Long Trinh Hewlett-Packard Co., Santa Rosa Systems Division Santa Rosa, CA Broadband access using millimeter-wave digital radio technology...
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Adaptive Feedforward Linearization For RF Power Amplifiers

An optimized approach to solving the problem of intermodulation dostortion in multichannel, wideband applications
Adaptive Feedforward Linearization For RF Power Amplifiers Shawn P. Stapleton Simon Fraser University, School of Engineering Science Burnaby, B.C., Canada The design of RF power amplifiers has become increasingly complex. With modern radio communications systems focusing on ever-higher data rates and better spectral efficiencies, these challenges to amplifier design...
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Components

Components DC - 2.5 GHz Integrated SPDT Switch The model AS169-73 integrated pseudomorphic high electron mobility transistor (pHEMT) SPDT switch delivers a broadband, low cost, integrated switching solution for transmit and receive chains operating from DC to 2.5 GHz. The AS169-73 features low insertion loss of 0.4 dB at...
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