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US 2023/0420439 A1Published application
Silicon carbide based integrated passive devices for impedence matching of radio frequency power devices and process of implementing the same
AssigneeWolfspeed, Inc.
InventorsHaedong JANG, Marvin MARBELL, Jeremy FISHER
Life of this patent
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Abstract
An amplifier circuit that includes an RF amplifier; an impedance matching network; a higher order harmonic termination circuit; a fundamental frequency matching circuit; and an integrated passive device (IPD) that includes a silicon carbide (SiC) substrate. The integrated passive device (IPD) includes one or more reactive components of the fundamental frequency matching circuit and one or more reactive components of the higher order harmonic termination circuit.
Claims28
An amplifier circuit, comprising:
- an RF amplifier;
- an impedance matching network;
- a fundamental frequency matching circuit;
- a higher order harmonic termination circuit;
- and
- an integrated passive device (IPD) comprising a silicon carbide (SiC) substrate,
- wherein the integrated passive device (IPD) comprises one or more reactive components of the fundamental frequency matching circuit and one or more reactive components of the higher order harmonic termination circuit.
4 more elements
A process of implementing an amplifier circuit, comprising:
- implementing an RF amplifier;
- implementing an impedance matching network;
- implementing fundamental frequency matching circuit;
- implementing a higher order harmonic termination circuit;
- and
- configuring an integrated passive device (IPD) with a silicon carbide (SiC) substrate,
- wherein the integrated passive device (IPD) comprises one or more reactive components of the fundamental frequency matching circuit and one or more reactive components of the higher order harmonic termination circuit.
4 more elements
-26. (canceled)
An integrated circuit, comprising:
- an integrated passive device (IPD) comprising a silicon carbide (SiC) substrate,
- wherein the integrated passive device (IPD) comprises one or more reactive components of a fundamental frequency matching circuit and one or more reactive components of a higher order harmonic termination circuit.
Dependencies are inferred from the claim text.