US Patent 7148748 Active protection circuit for load mismatched power amplifier
Patent 7148748 was granted and assigned to TriQuint Semiconductor on December, 2006 by the United States Patent and Trademark Office.
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Patent Inventor Names
Thomas R. Apel0
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Patent abstract
A peak detector detects an amplifier output overvoltage condition if the amplifier drives a mismatched load impedance. In response to the detected overvoltage condition, a clamping transistor lowers a reference DC bias voltage supplied by a bias circuit to the amplifier. The lowered reference DC bias voltage lowers amplifier gain and output power, thus protecting the amplifier.
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US Patent 07148748 Active protection circuit for load mismatched power amplifier US Patent 7148748 Active protection circuit for load mismatched power amplifier
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Patent Number
071487480
Patent Number
71487480
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Current Assignee
Patent Jurisdiction
Patent Number
071487480
Date of Patent
December 12, 2006
0Patent Application Number
108841350
Date Filed
July 2, 2004
0Official Website
Patent Primary Examiner
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US Patent 07148748 Active protection circuit for load mismatched power amplifier
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07148748
Date of patent
December 12, 2006
Patent application number
10884135
Date Filed
July 2, 2004
Patent primary examiner
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