Low phase noise oscillator using negative feedback

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United States of America Patent

PATENT NO 10840853
APP PUB NO 20200274490A1
SERIAL NO

16285525

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Abstract

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An oscillator includes a resonator and a first loop circuit. The first loop circuit includes an amplifier and a first coupler. That first loop circuit is electrically coupled to the resonator. The oscillator is configured to produce negative feedback for the amplifier in a cavity mode relative to short circuit terminations or open circuit terminations of a cavity modelling the oscillator at frequencies offset from a carrier frequency. The oscillator has a loss of less than 4.00 dB for a bidirectional trip through the cavity at the frequencies offset from the carrier frequency.

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Patent Owner(s)

Patent OwnerAddress
KEYSIGHT TECHNOLOGIES INC1400 FOUNTAINGROVE PKWY SANTA ROSA CA 95403

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nicholson, Dean Windsor, US 5 37

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