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June 30, 2010 [Test & Measurement] AWG Clocks To 4.2 GSamples/s — Jack Browne October 2008 [Systems & Subsystems] PMC Format Holds Agile ADCs And SDRs Modular signal-processing solutions provide a great deal of exibility in both military and industrial applications. By swapping modules or cards in a mainframe, the character of a system can be quickly changed, and performance capabilities rapidly modi fied to suit an application. A number of standards have been established to improve the compatibility of signal-processing modules, including the Peripheral Component Interconnect (PCI) standard and the PCI... — Jack Browne October 2008 [Defense Electronics] Military Electronics Firms Set To Weather Economic Storms Business in the military electronics sector is generally steady and stable, in spite of an ever-changing landscape of suppliers. The reason for the stability could be arguable, of course, that the ultimate customers do not change, i.e., the military establishments of the world’s various governments tend to stay in business with constant requirements in the area of electronics and technology for military applications. The business landscape for... — Jack Browne October 2008 [Defense Electronics] Teamwork Provides Secure Surveillance Software Solution Military surveillance systems are designed to make records of events of interest. But finding a particular event among one month’s worth of surveillance recordings can be challenging and time-consuming. For that reason, EchoStorm Worldwide (www.echostorm.net), a leading supplier of innovative video and sensor management solutions for military, government, and commercial applications, developed... — Jessica Isquith September 2008 [Devices & ICs] Converters Carry VNA To 325 GHz Millimeter-wave components are used in numerous radar systems and even in some guidance and tracking applications, although test equipment choices at frequencies above 30 GHz are somewhat limited. A few additional options in testing millimeter-wave components were added recently by long-time test-and-measurement-equipment supplier Rohde & Schwarz with the rm’s introduction of a line of millimeter-wave frequency converters for its high-performance vector... — Jack Browne September 2008 [Defense Electronics] Blurring The Lines Between Video Games And Battle Simulators The “affordable Army” of the future—in contrast to the invested expense of the US Army’s Future Combat Systems (FCS) program—will depend upon a greater use of technologies developed for commercial pro t and adapted to military applications. Commonly known as commercial-off-the-shelf (COTS) products, and by some companies as the more rugged-sounding military-off-the-shelf (MOTS) products, hardware and software sold as COTS (or MOTS) quality implies that it is “good... — Jack Browne September 2008 [Defense Electronics] Tracking The Technologies That Are Forging Future Systems Electronic technologies can provide a tactical edge in critical military systems, such as communications, electronic countermeasures, electronic-warfare (EW), and radar systems. The fundamental techniques used in some platforms, such as communications systems, undergo gradual, evolutionary progress in terms of better receiver noise figures, more robust solid-state transmitters, and more efficient modulation formats. But the changes being made in other ... — Jack Browne September 2008 [Defense Electronics] Fitting Commercial Goods To Military Requirements Almost a decade ago, the United States Department of Defense (DoD) came to the conclusion that investing in electronic technologies for military applications alone was an expensive proposition. At the same time, healthy investments by electronics manufacturers to complete in the commercial sector were having little impact on the performance of military electronic systems. The solution was to use more commercial hardware and software in military system ... — Jack Browne September 2008 [Components] Understanding SAW Technology For Filters Surface-acoustic-wave (SAW) filters are suitable for a wide range of commercial and military applications. Such lters can be made extremely small and durable, and they provide high rejection of unwanted signals. To learn more about them, a short but concise primer on SAW technology can be found on the Phonon Corp. web site at ( www.phonon.com). The tutorial article explains that there are two different types of SAW lters:... — Jack Browne September 2008 [Defense Electronics] Products Gate-Drive MOSFETs Are Rad-Hardened The RAD-Hard line of Logic Level gate drive power MOSFETs has been expanded with the addition of 60-, 100-, and 250-V MOSFETs that are suitable for switch-mode power supplies (SMPS), satellite power distribution systems, and resonant power converters in highreliability applications. In contrast to bipolar devices, these MOSFETs can be driven directly from CMOS and TTL-level logic circuitry, simplifying many... — Jack Browne |
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