BeRex Granted Patent for Control Circuit for a Radio Frequency Power Amplifier

 
GANGNAM-GU, South Korea - May 24, 2022 - PRLog -- BeRex Corp., a leader in Internet of Things radio frequency (RF) front-end IC products, is pleased to announce the issuance by the U.S. Patent Office of its RF front-end design  patent, US 11,190,152 B2 "CONTROL CIRCUIT FOR A RADIO FREQUENCY POWER AMPLIFIER", dated November 30, 2021.  This issued patent brings BeRex's RF IC design patent portfolio to a total of 22 issued and active patents, 2 pending patents.

US Patent US 11,190,152 B2 provides an innovative circuit to maintain a stabilization over ambient temperature and signal burst duration for a highly linear RF CMOS power amplifiers (PA). Heating structures are embedded inside the die and utilize the standard semiconductor process flow. Electrical control signals applied to heating structures at the beginning of RF signal burst allow linearity parameters (i.e. EVM) to maintain the stability over the wide ambient temperature range as well as at different burst width and duty cycle. This innovation can be applied to any CMOS power amplifiers which require a high degree of linearity.  Example applications would be 802.11ac/ax PA.

"The newly-issued patent adds the way to provide the stable temperature on the RF die where PA's linear performance is directly impacted if the temperature variance is large.  Our invention helps by stabilizing the on-die temperature even though the ambient temperature may fluctuate significantly, which causes the linearity to suffer.  In today's environment where the large data over the air is a must, our invention will help to maintain the peak data rate by helping to maintain the high linearity for PA " Nahm Wook Lee, BeRex Corp's CEO says, "We at BeRex, are excited to leverage this technology to significantly improve the CMOS linear PA performance".

About BeRex Corp.
BeRex Corp. was launched in 2004 to design, develop, manufacture, and market compound semiconductors for mobile communication. Operating without any debt since 2007, BeRex Corp. has been generating profits every year. In 2008 BeRex Corp. entered the US radar satellite communication equipment market by establishing a wholly-owned subsidiary named 'BeRex, Inc.' located in San Jose, California.

Currently BeRex Corp. is diversifying its products and markets using technologies such as 'silicon-germanium semiconductor' and 'silicon insulating film semiconductor' in addition to 'compound semiconductor'. BeRex Corp. has exported to 20 countries and is a supplier to hundreds of companies around the world.

For further information, please visit: https://www.berex.com

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