Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Douglas H. Roberts0
Date of Patent
August 5, 2008
0Patent Application Number
116785620
Date Filed
February 23, 2007
0Patent Primary Examiner
Patent abstract
A system is provided for a solid-state implementation of a vacuum tube replacement device. The system may derive power from a target amplifier filament supply. The system may include active or passive functions for noise reduction, voltage isolation, servo biasing, and other functions. The vacuum tube replacement device is pin-for-pin compatible with standard vacuum tube circuit pin configurations. The vacuum tube replacement device system architecture is equally useful for non-vacuum tube systems such as audio amplifier circuits.
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