Compact doherty power amplifier using non-uniform phase match devices
US10320335B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2018 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Apr 25, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2203/21139
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An RF amplifier includes an amplifier chip on a flange having an input and an output comprising a parasitic capacitance and a parasitic inductance, a first chip capacitor coupled to the output of the output of the amplifier by a first plurality of bond wires, and a second chip capacitor coupled to the first chip capacitor by a second plurality of bond wires, and an output impedance matching network having an input coupled to the output of the second chip capacitor by a third plurality of bond wires, and an output, and a phase shift between the input and the output of less than 90 degrees, wherein the phase shift from the output of the amplifier chip to the output of the output impedance matching network is 180 degrees.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.