Electronic apparatus and design method
US7050769B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 14, 2002 |
| Grant date | May 23, 2006 |
| Priority date | — |
| Expiry date | Aug 13, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/3011
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention realizes a wireless communication module that is capable of transmitting the fundamental wave with low loss and reducing the double higher harmonic wave level to a desired level or lower as the whole module. The invention provides a front end module to be used for a wireless communication system such as cellular phone in which at least an output power amplifier, a matching circuit, and a low-pass filter are mounted on one insulating substrate and these circuits are connected in the above-mentioned order, wherein the relative phase of the double higher harmonic wave impedance between phases in view of the matching circuit side and the low-pass filter side from the connection point between the matching circuit and the low-pass filter is set in a range of 180 degrees ±90 degrees.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.