Supat Wongwirawat

Title: Supat Wongwirawat: Innovator in Digital Receiver Technology

Introduction

Supat Wongwirawat is a notable inventor based in Langhorne, PA (US). He has made significant contributions to the field of digital receiver technology, particularly in the area of adaptive carrier recovery circuits. His work has implications for the reception of digital television signals, enhancing the quality and reliability of broadcasts.

Latest Patents

Wongwirawat holds a patent for a "Digital receiver having adaptive carrier recovery circuit." This innovative digital receiver is designed to receive VSB/QAM digital television signals. It features an adaptive fine carrier recovery circuit that compensates for deviations in carrier frequency or phase. The circuit effectively de-rotates signals that include phase errors. By filtering estimations of phase errors with an adaptively adjusted filter, the receiver can track phase and frequency offsets without introducing significant jitter. Additionally, the receiver includes a Decision Feedback Equalizer (DFE), and the adaptive carrier recovery circuit helps mitigate any instability associated with the DFE.

Career Highlights

Wongwirawat is currently employed at Ati Technologies Inc., where he continues to develop cutting-edge technologies in digital communications. His expertise in adaptive circuits has positioned him as a valuable asset in the field of telecommunications.

Collaborations

Throughout his career, Wongwirawat has collaborated with talented individuals such as Azzedine Touzni and Mark Hryszko. These collaborations have fostered innovation and contributed to advancements in digital receiver technology.

Conclusion

Supat Wongwirawat's contributions to digital receiver technology exemplify the impact of innovative thinking in telecommunications. His patent for an adaptive carrier recovery circuit showcases his commitment to enhancing digital signal reception.