US Patent Issued to Infinera on Dec. 9 for "Low pass filter for TROSA high frequency response suppression" (Pennsylvania Inventor)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,792, issued on Dec. 9, was assigned to Infinera Corp..

"Low pass filter for TROSA high frequency response suppression" was invented by Jiaming Zhang (Macungie, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Consistent with the present disclosure, low pass filters are provided in the electrical paths connecting digital to analog converter (DAC) circuitry to an optical block package (also referred to as a "gold box"). The low pass filter blocks or substantially attenuates high frequency noise components present in an analog signal output from the DAC, thereby reducing errors that might otherwise be present in the transmitted data."

The patent was ...