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US 2025/0112602 A1Published application
Multi-gate differential power amplifier
AssigneeGlobalFoundries U.S. Inc.
InventorsAbdellatif Bellaouar, Shafiullah Syed
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Abstract
A differential power amplifier circuit, including: a first differential power amplifier including first and second cross-coupled neutralization capacitors; and a second differential power amplifier, coupled in parallel with the first differential power amplifier, including a plurality of multi-gate transistors.
Claims20
A differential power amplifier circuit, comprising:
- a first differential power amplifier including first and second cross-coupled neutralization capacitors;
- and
- a second differential power amplifier, coupled in parallel with the first differential power amplifier, including a plurality of multi-gate transistors.
A differential power amplifier circuit, comprising:
- a first differential power amplifier including first and second parallel branches, wherein the first differential power amplifier includes first and second neutralization capacitors cross-coupled between the first and second parallel branches;
- and
- a second, multi-gate differential power amplifier including first and second parallel branches, wherein the first and second parallel branches of the second differential power amplifier are coupled to the first and second parallel branches, respectively, of the first differential power amplifier.
A radio frequency (RF) differential power amplifier circuit, comprising:
- an RF input stage for receiving an RF input signal;
- a first differential power amplifier including first and second parallel branches coupled to the RF input stage, wherein the first differential power amplifier includes first and second neutralization capacitors cross-coupled between the first and second parallel branches;
- a second, multi-gate differential power amplifier including first and second parallel branches coupled to the RF input stage, wherein the first and second parallel branches of the second differential power amplifier are coupled to the first and second parallel branches, respectively, of the first differential power amplifier;
- and
- an RF output stage coupled to the first and second differential power amplifiers for outputting an amplified RF signal.
2 more elements
Dependencies are inferred from the claim text.