Multi-level envelope tracking with analog interface
US11658615B2 · kind B2 · utility
4Cited by
41References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2021 |
| Grant date | May 23, 2023 |
| Priority date | — |
| Expiry date | Nov 30, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2203/7209
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Multi-level envelope trackers with an analog interface are provided herein. In certain embodiments, an envelope tracking system for generating a power amplifier supply voltage for a power amplifier is provided. The envelope tracking system includes a multi-level supply (MLS) DC-to-DC converter that outputs multiple regulated voltages, and an MLS modulator that controls selection of the regulated voltages over time based on an analog envelope signal corresponding to an envelope of the RF signal amplified by the power amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.