Circuit for removing offset output voltage, and electronic device comprising same
AssigneeChung Ang University Industry Academic Cooperation Foundation
InventorSang Hun Song
Life of this patent
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Abstract
According to the present disclosure, a circuit for cancelling an off-set voltage included in an output voltage of an electronic component includes: a first resistor having one end connected to a bias voltage terminal; a second resistor connected to the first resistor, and having one end connected to the bias voltage terminal; a third resistor having one end connected to the first resistor and the other end connected to a ground terminal; and a transistor having one end connected to the second resistor and the other end connected to the ground terminal, and applied with an output voltage including an off-set voltage from a sensor.
Claims12
A circuit for cancelling an off-set voltage included in an output voltage of an electronic component, the circuit comprising:
- a first resistor having one end connected to a bias voltage terminal;
- a second resistor connected to the first resistor, and having one end connected to the bias voltage terminal;
- a third resistor having one end connected to the first resistor and the other end connected to a ground terminal;
- and
- a transistor having one end connected to the second resistor and the other end connected to the ground terminal, and applied with an output voltage including the off-set voltage from a sensor.
An electronic device comprising a circuit for cancelling an off-set voltage included in an output voltage of a hall sensor,
- wherein the circuit includes
- a first resistor having one end connected to a bias voltage terminal;
- a second resistor connected to the first resistor in series, and having one end connected to the bias voltage terminal;
- a third resistor having one end connected to the first resistor and the other end connected to a ground terminal;
- and
- a transistor having one end connected to the second resistor and the other end connected to the ground terminal, and applied with an output voltage including the off-set voltage from the hall sensor.
Dependencies are inferred from the claim text.