US Patent Issued to TELEFONAKTIEBOLAGET LM ERICSSON on Oct. 7 for "Multiple PLL system with phase locking and phase noise cancellation" (Swedish Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,548, issued on Oct. 7, was assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (Stockholm).

"Multiple PLL system with phase locking and phase noise cancellation" was invented by Henrik Sjoland (Lund, Sweden) and Staffan Ek (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated, distributed, multiple Phase Locked Loop (multi-PLL) system locks the frequency and phase of multiple secondary PLLs to that of a primary PLL. The VCOs in all PLLs receive both first and second control signals. The primary PLL's primary VCO control signal is generated conventionally. using a reference periodic signal input, and is output to all secondary PLLs...