Amplifier with a converting circuit with reduced intrinsic time constant
AssigneeHuawei Technologies Co., Ltd.
InventorLuca Piazzon
Life of this patent
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Abstract
An amplifier for converting a differential input signal to a single ended output signal. In particular, the amplifier including a converting circuit for converting a differential input signal into a single ended output signal, the converting circuit including an input section for receiving the differential input signal and an output section including an output port for providing the single ended output signal, where the output section includes a capacitive element configured to reduce an intrinsic time constant of the converting circuit.
Claims19
An amplifier, comprising:
- a converting circuit configured to convert a differential input signal into a single ended output signal, the converting circuit comprising:
- an input section configured to receive the differential input signal;
- and
- an output section comprising an output port configured to provide the single ended output signal, wherein the output section comprises a capacitive element configured to reduce an intrinsic time constant of the converting circuit, wherein a capacitance of the capacitive element is larger than an output parasitic capacitance of the input section.
A method for operating an amplifier, comprising:
- receiving, by an input section of a converting circuit of the amplifier, a differential input signal;
- converting, by the converting circuit, the differential input signal into a single ended output signal;
- reducing, by a capacitive element of an output section of the converting circuit, an intrinsic time constant of the converting circuit, wherein a capacitance of the capacitive element is larger than an output parasitic capacitance of the input section;
- and
- providing, by the output section of the converting circuit, the single ended output signal.
An amplifier, comprising:
- an input section comprising:
- a differential pair connected between a first node and differential input ports;
- and
- an output section connected to a voltage supply port and the first node, the output section comprising:
- a capacitive element connected to the first node, wherein the capacitive element is associated with an intrinsic time constant of the amplifier, and wherein a capacitance of the capacitive element is larger than an output parasitic capacitance of the input section.
Dependencies are inferred from the claim text.