11.06.12 -- Guide To Microwave Switch Selection For ATE Systems
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From The Editor
3 Big RFIC/MMIC Design Challenges — And How To Solve Them By Paul Kruczkowski, editor
RFIC/MMIC design is difficult work. Engineers are tasked with packing diverse functionality into these devices, including low noise and power amplification, mixing, phase shifting, and switching, to name a few. New pressures are constantly emerging, making the RFIC/MMIC designer's job even more demanding. Three of the biggest current design challenges that stand out to me are: higher frequency requirements, shrinking footprints/increased integration density, and 3D discontinuities.
High-Temperature, High-Power RF Life Testing Of GaN-On-SiC RF Power Transistors By Brian Barr and Dan Burkhard, M/A-COM Technology Solutions RF Power Products Group
As GaN power device technology matures and gains acceptance in the market place, suppliers who provide products using this promising technology must prove its reliability. This article provides an overview of the testing approaches used to establish failure rates and will provide a comparison of DC- and RF-based HTOL methods.
Several factors should be considered when selecting a microwave switch for ATE systems. These include frequency range, power level, reliability, low PIM, connector style, VSWR, isolation, insertion loss, repeatability, termination, phase or path length matching, and more. Details on these factors and others are explored in this application note.
The L-band hermetic bandpass filter, from ComNav Engineering, is one of many high-performance SATCOM products. Due to the center frequency of 1685.7 MHz, this filter lends itself to many commercial and military applications.