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US 2011/0032031 A1Published application
Amplifier circuit and light receiving amplifier circuit using the same
AssigneeNEC Electronics Corporation
InventorTadashi JAHANA
Life of this patent
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Abstract
An amplifier circuit includes an amplifier unit that amplifies a signal received by an input terminal and outputs the amplified signal to an output terminal, a feedback capacitor that is connected between the input terminal of the amplifier and the output terminal, and a controller that varies a capacitance in the feedback capacitor for a certain period when a potential of the output terminal in the amplifier unit becomes higher or lower than a certain potential.
Claims8
An amplifier circuit comprising:
- an amplifier unit that amplifies a signal received by an input terminal and outputs the amplified signal to an output terminal;
- a feedback capacitor that is connected between the input terminal and the output terminal of the amplifier;
- and
- a controller that varies a capacitance in the feedback capacitor for a certain period when a potential of the output terminal in the amplifier unit becomes higher or lower than a certain potential.
1 more element
Dependencies are inferred from the claim text.