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Top Engineering Concepts For Military RF And Microwave Networks

RF Globalnet Newsletter | November 10, 2021 | View web version here.


Power Supplies: What’s Better, Custom, Or COTS?

When sourcing low- and high-voltage power supplies for either military or commercial applications, system design engineers must choose between commercial off-the-shelf (COTS) products or units built to custom specifications. But there are many misunderstandings about the cost of each option — in terms of both initial price and total cost of ownership. This article clears up those myths and offers some clarity about delivery timelines, ease of integration, and real-world performance.

SWaP-C Considerations For High Frequency Designs

Building solid state power amplifiers, microwave power modules, and traveling wave tube amplifiers to operate in the Ka- and Q-bands is more challenging than operating at lower frequencies. Decisions and compromises affecting size, weight, and power and cost (SWaP-C) become more impactful. This article introduces the challenges inherent in working with high frequencies — specifically Ka-band (continuous wave [CW] and pulsed) and Q-band (CW only). It also dispels some misconceptions and addresses unit designers’ diverse specification needs.

Overcoming Radar Simulation System Challenges
When designing electronic warfare (EW) equipment — in this case, radar simulation systems — or any other defense-focused project, the aim of preserving lives makes your principal concern system effectiveness. To achieve this end, you require test equipment you can trust to be both accurate and reliable, even in adverse conditions. This article examines the challenges faced by EW system engineers when testing the effectiveness of their designs.
Utilizing Modern Day MPMs For High-Power And High-Efficiency

Major integrators must decide whether to use solid state or traveling wave tube devices to amplify RF signals used in radar, electronic countermeasures, EW, datalink, and communication systems. While SWaP-C is always a critical consideration, the timeless question still remains: solid state or traveling wave tube? Modern microwave power modules (MPMs) combine both technologies in a compact, lightweight package. This article explores what MPMs offer in terms of efficiency, bandwidth, and more.

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