RF & Microwave Industry News

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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...

Technical Feature Understanding Offset 8-PSK Modulation for GSM EDGE Ashkan Mashhour Please click here to view the pdf file of the Technical Feature...

Technical Feature Impedance Measurements for High Power RF Transistors Using the TRL Method Jean-Jacques Bouny Please click here to view the pdf file of the Technical Feature...

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...

Technical Feature High Efficiency Power Amplifer Design Using GaAs Heterostructure Field Effect Transistors A.S. Virdee and B.S. Virdee Please click here to view the pdf file of the Technical Feature...

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...

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...

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...

Systems Multiple Output 350 W Power Supply The model NT350 compact, multiple output 350 W power supply provides a 3.3 V high current main output and active input power factor correction (PFC). The PFC input stage is followed by a two-transistor forward converter, which provides a proven architecture for...

Test Equipment Precision Current Pulse Generator The model 507 precision current pulse generator offers digitally controlled current pulses with currents from 0 to 10 A and pulse widths from 0.1 to 100 ms. Precise current control and time-domain resolution allow for complete characterization of electronic systems. Offered in two,...