Nujira Files Milestone Envelope Tracking Patent
News - Staff reports
Author: CompoundSemi News Staff
April 4, 2011... Nujira of Cambridge, England announced the filing of its one hundredth patent. The company claims that the patent filing gives it the most extensive and complete portfolio of patents filed or granted covering envelope tracking and efficient wideband power amplifier (PA) transmission systems.
Envelope Tracking modulates the power supply of an RF power amplifier in line with the signal amplitude. According to the company, the high bandwidth, fast tracking of its ET implementation ensures that the PA is always operating in compression. The company says that this results in higher efficiencies even for signals with a wide dynamic range, such as 20 MHz LTE channels.
Nujira’s patent portfolio reportedly covers energy efficient RF transmitters in cellular handset, wireless infrastructure and digital broadcast applications across the US, Asia and Europe.
“Envelope Tracking is becoming the power optimization technology of choice for high efficiency PAs across a wide range of applications. We continue to extend our IPR platform to maintain our leadership position in Envelope Tracking, and will defend it forcefully,” said Tim Haynes, CEO of Nujira. “Nujira’s patent portfolio includes blocking IPR for anyone trying to develop commercially viable Envelope Tracking Power Amplifiers for 3G and 4G handsets, base stations and digital TV transmitters. “
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