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US 2006/0132233 A1Published application
Integrated circuit devices having a control circuit for biasing an amplifier output stage and methods of operating the same
AssigneeSamsung Electronics Co., Ltd.
InventorsJae Woo, Kyu Chung
Life of this patent
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Abstract
An integrated circuit device includes an amplifier circuit that generates an output voltage. A bias control circuit is configured to generate a bias control voltage or the output voltage at an output thereof based on a state of a control signal. An output stage driver circuit that is responsive to the voltage generated at the output of the bias control circuit.
Claims17
An integrated circuit device, comprising:
- an amplifier circuit that generates an output voltage;
- a bias control circuit that is configured to generate a bias control voltage or the output voltage at an output thereof based on a state of a control signal;
- and
- an output stage driver circuit that is responsive to the voltage generated at the output of the bias control circuit.
1 more element
An integrated circuit device, comprising:
- an amplifier circuit that generates first and second output voltages;
- a first bias control circuit that is configured to generate a first bias control voltage or the first output voltage at an output thereof based on a state of a control signal;
- a second bias control circuit that is configured to generate a second bias control voltage or the second output voltage at an output thereof based on the state of the control signal;
- and
- an output stage driver circuit that is responsive to the voltages generated at the outputs of the first and second bias control circuits.
2 more elements
A method of operating integrated circuit device, comprising:
- generating an output voltage;
- generating a bias control voltage or the output voltage at an output of a bias control circuit based on a state of a control signal;
- and
- driving an output stage driver circuit using the voltage generated at the output of the bias control circuit.
1 more element
A method of operating an integrated circuit device, comprising:
- generating first and second output voltages;
- generating a first bias control voltage or the first output voltage at an output of a first bias control circuit based on a state of a control signal;
- generating a second bias control voltage or the second output voltage at an output of a second bias control circuit based on the state of the control signal;
- and
- driving an output stage driver circuit using the voltages generated at the outputs of the first and second bias control circuits.
2 more elements
Dependencies are inferred from the claim text.