True RMS power demodulation system and method for a modulated RF

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324 77B, 364484, 36457106, 364572, 375 94, G01R 2300, H03D 104

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active

048766542

ABSTRACT:
True RMS power demodulation system and method for a modulated RF signal uses a DC coupled linear amplifier and linearizes the diode detector prior to demodulation. The demodulated signal is proportional to the difference of RF powers such that the network measurement is unaffected by the modulation depth at the power sensor which can be degraded by RF feedthrough or the presence of an interfering signal or noise.

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patent: 4758783 (1988-07-01), Danzeisen
patent: 4785419 (1988-11-01), Huffman

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