Asymmetrically biased high linearity balanced amplifier
CA 2389456 A1 · Owner: Northrop Grumman Space & Mission Systems Corp. · Inventors: Kobayashi, Kevin W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A microwave amplifier and more particularly to a microwave amplifier configured as a, Doherty amplifier. In particular the amplifier includes a carrier amplifier a peak amplifier a, Large coupler at the input of the amplifiers and quarter wave amplifier at the output of the, amplifiers. In order to improve isolation between the amplifiers to minimize the dependence of, each amplifier's inter-modulation (IM) performance on the others matching , networks are, provided, coupled to the output of the amplifiers. In addition the microwave , power amplifier, includes electronic tuning which allows for improved inter-modulation distortion over a wide, input power dynamic range which allows the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed June 6, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 6, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 6, 2024.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.