September 15, 2008 - Military system designers are often faced with processing input signals over a wide dynamic range. With many systems, such as direct-finding (DF) receivers, electronic-intelligence (ELINT) receivers, electronic-countermeasures (ECM) systems, radar warning receivers (RWRs), and commercial instrumentation, it is often necessary to capture and analyze narrow pulses with large variations in amplitude. Traditionally, the successive detection log video amplifier (SDLVA) is the component of choice for this task.
Today, when system designers need a high-performance SDLVA, they have two more choices with outstanding performance over the wide frequency range of 0.1 to 20.0 GHz. The SDLVA models HMC613LC4B and HMC-C052 from Hittite Microwave Corp. (Chelmsford, MA) are supplied in a compact 4 x 4 mm ceramic package and miniature hermetic module.
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