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US 6,806,769 B2Granted
Differential amplifier
AssigneeKabushiki Kaisha Toshiba
InventorsTeruo Imayama, Tsuneo Suzuki
Life of this patent
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Abstract
A differential amplifier comprises an emitter follower, a differential amplifying circuit connected in a succeeding stage to the emitter follower, and a load circuit to compensate distortion of the differential amplifying circuit.
Claims9
A differential amplifier comprising:
- an emitter follower,
- a differential amplifying circuit connected in a succeeding stage to the emitter follower, and
- a load circuit to compensate distortion of the differential amplifying circuit,
- wherein the load circuit comprises at least one diode.
1 more element
A differential amplifier comprising:
- an emitter follower,
- a differential amplifying circuit connected in a succeeding stage to the emitter follower, and
- a load circuit to compensate distortion of the differential amplifying circuit, wherein the load circuit comprises at least one diode and at least one resistor.
A differential amplifier comprising:
- two emitter followers connected in tandem configuration,
- a differential amplifying circuit connected in a succeeding stage to the emitter followers, and
- a load circuit to compensate distortion of the differential amplifying circuit,
- wherein the emitter follower in the earlier step has its output terminal connected to the load circuit, and at least one capacitor is positioned between the emitter follower in the earlier step and the emitter follower in the succeeding step.
1 more element
Dependencies are inferred from the claim text.