A multiple power mode amplifier provides a low and a high power mode without using switches. This amplifier may be used in RF applications such as mobile telephones. In the low power mode, the power consumption of the amplifier is reduced, which will increase operation time, especially important for...http://www.google.fr/patents/US20050099227?utm_source=gb-gplus-shareBrevet US20050099227 - High Efficiency Power Amplifier
Numéro de demande: 10/905,796 Numéro de publication: US 2005/0099227 A1 Date de dépôt: 20 janv. 2005 Brevet délivré: US7023270 ( Date de délivrance 4 avr. 2006)