Ngar Loong A Chan

Title: Ngar Loong A Chan: Innovator in Frequency Division and Inductor Networks

Introduction

Ngar Loong A Chan is a notable inventor based in Santa Clara, CA. He has made significant contributions to the field of electronics, particularly in the development of frequency divider circuits and switchable inductor networks. With a total of 4 patents to his name, his work has had a considerable impact on modern communication technologies.

Latest Patents

One of his latest patents is the "Compact High Frequency Divider." This invention features a frequency divider circuit that utilizes two stages of transistors, enhancing performance at low supply voltages. The circuit incorporates cross-coupled PMOS and NMOS transistors, allowing the input signal to be supplied to the body of these transistors. The input signal can be coupled through capacitive or inductive means, and it may be generated by a voltage-controlled oscillator circuit. This innovative design enables the frequency divider circuit to operate with supply voltages as low as 0.5 Volts.

Another significant patent is the "Switchable Inductor Network." This invention provides a switchable inductor network that has configurable inductance in response to a control signal. The architecture is fully symmetric, which helps to minimize the effects of parasitic elements during differential mode operation. This switchable inductor network is particularly advantageous for multi-mode communications circuitry applications, such as in the design of voltage-controlled oscillators (VCOs) or amplifiers.

Career Highlights

Ngar Loong A Chan is currently employed at Qualcomm Incorporated, a leading company in the telecommunications industry. His work at Qualcomm has allowed him to further develop his innovative ideas and contribute to cutting-edge technologies in communication.

Collaborations

Throughout his career, Ngar has collaborated with talented individuals such as Jonghoon Choi and Bindu Gupta. These collaborations have fostered a creative environment that has led to the successful development of various technologies.

Conclusion

Ngar Loong A Chan is a distinguished inventor whose work in frequency division and inductor networks has significantly advanced the field of electronics. His innovative patents and contributions to Qualcomm Incorporated highlight his expertise and commitment to technological advancement.