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US Patent 7292104 Variable gain amplifier

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Patent Citations Received
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US Patent 11916517 Saturation detection of power amplifiers
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Patent abstract

A variable gain amplifier is disclosed where the gain of the amplifier is controlled by a variable emitter resistor that is responsive to a control signal. The variable resistor includes a resistor connected between the collector and emitter of a control transistor. A control signal applied to the base of the control transistor varies the gain of the amplifier from a minimum gain when the control transistor is cut-off to a maximum gain when the control transistor is saturated.

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US Patent 07292104 Variable gain amplifier US Patent 7292104 Variable gain amplifier

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Patent Number
0729210400
Patent Number
729210400
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=0729210400
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Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
072921040
Date of Patent
November 6, 2007
0
Patent Application Number
110573040
Date Filed
February 11, 2005
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=072921040
Patent Primary Examiner
Robert Pascal
Robert Pascal
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Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
072921040
Date of Patent
November 6, 2007
0
Patent Application Number
110573040
Date Filed
February 11, 2005
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=072921040
Patent Primary Examiner
Robert Pascal
Robert Pascal
0
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https://pdfpiw.uspto.gov/.piw?Docid=07292104
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 US Patent 07292104 Variable gain amplifier

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07292104
Date of patent
November 6, 2007
Patent application number
11057304
Date Filed
February 11, 2005
Patent primary examiner
Robert Pascal
Robert Pascal

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