Dohun Jang

Title: Dohun Jang: Inventor of a Phase-Locked Loop Circuit

Introduction

Dohun Jang is an inventor based in Suwon, South Korea. His patent work includes a phase-locked loop circuit and a method for operating it. Jang is associated with Samsung Electronics.

Latest Patents

Jang is named on 1 patent: “Phase Locked Loop Circuit and Method of Operation Thereof.” The invention describes a circuit that compares reference and feedback clock signals, adjusts phase gain, and generates control signals. A lock detection circuit provides a signal used to adjust the impedance of the loop filter. The filter’s output controls an oscillator, while a divider generates the feedback clock signal from the oscillator’s clock.

Career Highlights

Jang’s documented patent contribution concerns clock-generation circuitry and phase control. The patent describes coordinated components for detecting phase differences, maintaining lock, and producing a clock signal.

Collaborations

Jang’s listed coworkers include Dokyung Lim and Hyuntaek Oh. The patent information provided does not specify their roles or contributions to this invention.

Conclusion

Dohun Jang’s recorded patent work at Samsung Electronics focuses on a phase-locked loop design that combines phase detection, lock detection, filtering, oscillation, and frequency division.