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Class Information
Number:
330/190
Name:
Amplifiers
>
Input networks
>
Transformer coupled
> With transformer structure
Description:
Subject matter involving the structure of the transformer in the input coupling circuit.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
7348845
System and method for employing variable magnetic flux bias in an amplifier
Mar. 25, 2008
6424227
Monolithic balanced RF power amplifier
Jul. 23, 2002
4968949
Ohmically isolating input circuit
Nov. 6, 1990
4779058
Ohmically isolated input circuit
Oct. 18, 1988
4497004
Picture reproducing apparatus in a helical scanning video tape recorder
Jan. 29, 1985
4490844
Low frequency transformer
Dec. 25, 1984
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