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ZA has developed techniques for feedforward linearization of PAs that, relative to conventional PA linearization approaches, provide for: * significant saving in size, weight, and power, and * much greater suppression of intermodulation products.
ZA has demonstrated its approach at VLF-LF, HF, VHF, and UHF. At HF (2-30 MHz), the maximum level of any harmonic or intermodulation product was demonstrated to be -86 dBc with a prime power efficiency of 15 percent.
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