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US 12,597,895 B2Granted
Low-noise amplifier with MOM Q enhancement
AssigneeTaiwan Semiconductor Manufacturing Company, Ltd.
InventorsWu-Chen Lin, Yi-Hsuan Liu, Hsieh-Hung Hsieh
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Abstract
An electronic device includes an amplifier having an input terminal and an output terminal. The amplifier includes a gain stage and an output impedance matching network connected to the gain stage and to the output terminal. The output impedance matching network includes a plurality of metal-oxide-metal (MOM) capacitors connected in parallel to each other.
Claims20
An electronic device, comprising:
- an amplifier having an input terminal and an output terminal and including:
- a gain stage;
- and
- an output impedance matching network connected to the gain stage and to the output terminal,
- wherein the output impedance matching network includes:
- first metal-oxide-metal (MOM) capacitors, in one or more lower metal layers that have thinner widths, connected in parallel to each other to form a first capacitor in the output impedance matching network;
- first electrical connection paths, in one or more higher metal layers that have wider widths, connected to the gain stage and to one side of the first MOM capacitors;
- and
- second electrical connection paths, in the one or more higher metal layers that have wider widths, connected to another side of the first MOM capacitors and to the output terminal.
6 more elements
An amplifier device, comprising:
- an input terminal and an output terminal;
- an input impedance matching network connected to the input terminal;
- a gain stage connected to the input impedance matching network;
- and
- an output impedance matching network connected to the gain stage and the output terminal,
- wherein the output impedance matching network includes;
- first multiple metal-oxide-metal (MOM) capacitors in one or more lower metal layers that have thinner widths, connected in parallel to each other to form a first capacitor having a first end connected to the gain stage and a second end connected to the output terminal,
- first electrical connection paths, in one or more high metal layers that have wider widths, connected to the gain stage and to one side of the first multiple MOM capacitors;
- and
- second electrical connection paths, in the one or more higher metal layers that have wider widths, connected to another side of the first multiple MOM capacitors and to the output terminal.
7 more elements
A method of manufacturing an amplifier, the method comprising:
- forming transistors in an active area layer to form a gain stage of the amplifier;
- forming first metal-oxide-metal (MOM) capacitors, in one or more lower metal layers that have thinner widths, to form a first capacitor in an impedance matching network;
- forming first electrical connection paths, in one or more higher metal layers that have wider widths, connected to the gain stage and to one side of the first MOM capacitors;
- and
- forming second electrical connection paths, in the one or more higher metal layers that have wider widths, connected to another side of the first MOM capacitors and to an output pad,
- wherein the one or more lower metal layers are lower than the first electrical connection paths and the second electrical connection paths, and the one or more higher metal layers are higher than the first MOM capacitors.
3 more elements
Dependencies are inferred from the claim text.