Bai-Jue Shieh

Title: Innovations by Bai-Jue Shieh

Introduction

Bai-Jue Shieh is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of digital frequency synthesis. His innovative approach has led to the development of a unique method and device that enhances frequency synthesizing capabilities.

Latest Patents

Bai-Jue Shieh holds a patent for a "Method and device for digitally synthesizing frequency." This invention includes a digital frequency synthesizer that features a clock pair with two similar ring-oscillators. These oscillators generate a search frequency and an output frequency. The synthesizer incorporates a frequency tracking unit and a clock controlling unit. The frequency-search method consists of two stages: a coarse search stage based on the 'Prune-and-Search' method and a fine search stage utilizing the 'fixed-step' algorithm. The invention also derives two cost functions for search and lock-in, which define the search and lock thresholds. This innovative design improves search performance and output resolution.

Career Highlights

Bai-Jue Shieh is currently associated with TFL LAN Inc., where he continues to work on advancements in frequency synthesis technology. His expertise in this area has positioned him as a valuable contributor to the field.

Collaborations

Bai-Jue Shieh has collaborated with notable colleagues, including Chen-Yi Lee and Terng-Yin Hsu. Their combined efforts have furthered the development of innovative technologies in their respective fields.

Conclusion

Bai-Jue Shieh's contributions to digital frequency synthesis exemplify the impact of innovative thinking in technology. His patent reflects a significant advancement that enhances the performance of frequency synthesizers.