Power supply device, method for managing power supply thereof and wireless communication terminal
US9166478B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 5, 2012 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Apr 5, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2001/045
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
In the patent document, the wireless communication terminal includes a baseband working unit, a RF working unit and a DC power converter connected with the baseband working unit and the RF working unit, further including a power supply device, a CPU and an envelope detection device; the power supply device is configured to receive a voltage supplied by the DC power converter, supplying an output voltage to a PA in the RF working unit, receiving a control signal sent from CPU, adjusting the output voltage according to the control signal; the envelope detection device is configured to detect the envelope signal of output signal of the PA in real time and send the envelope signal to the CPU; the CPU is configured to receive the voltage supplied by the DC power converter, convert the envelope signal into a control signal and send the control signal to the power supply device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.