Electric component for communication device and semiconductor device for switching transmission and reception
US7269392B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2004 |
| Grant date | Sep 11, 2007 |
| Priority date | — |
| Expiry date | Feb 25, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/429
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
There are provided a transmission/reception switching circuit which is small in insertion loss and harmonic distortion and allows an increase in the output power of a power amplifier and an electronic component for communication on which the transmission/reception switching circuit is mounted. As an element composing a transmission/reception switching circuit in a wireless communication system, series-connected FETs or a multi-gate FET are used in place of a diode. Gate resistors connected between the individual gate terminals and a control terminal are designed to have resistance values which become progressively smaller from the gate to which a highest voltage is applied toward the gate to which a lowest voltage is applied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.