Power supply circuit
US10348251B2 · kind B2 · utility
0Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 3, 2018 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | Jan 3, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2001/0433
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A power supply circuit includes a plurality of power amplifiers for amplifying radio frequency signals, an envelope tracker for supplying a variable voltage based on an envelope signal to the power amplifiers, a common line connected to an output side of the envelope tracker, and a plurality of branch lines branching from a tip of the common line and connected to the power amplifiers, respectively. On the branch lines, sub-inductors are provided, respectively. On the common line, a main inductor and a capacitor are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.