Location History:
- Irvine, CA (US) (2001)
- San Jose, CA (US) (2001 - 2003)
Company Filing History:
Years Active: 2001-2003
Title: J L Julian Tham: Innovator in Multi-Band Transceiver Technology
Introduction
J L Julian Tham is a notable inventor based in San Jose, CA, with a focus on advancements in communication technology. He holds a total of 3 patents that showcase his innovative contributions to the field.
Latest Patents
One of his latest patents is for a multi-band transceiver having multi-slot capability. This invention allows for the simultaneous transmission and reception of signals within selected GSM frequency bands, enhancing communication efficiency. The transceiver features a first local oscillator that selectively oscillates within a bandwidth corresponding to the selected GSM band, outputting a signal at a specific frequency. Additionally, a second local oscillator operates at a frequency corresponding to the selected GSM band, facilitating the generation of a demodulating signal. The design includes a transmitter with a loop architecture that generates a transmit frequency and utilizes a quadrature mixer for modulation.
Another significant patent is for an integrated tunable high-efficiency power amplifier. This invention employs tunable reactive devices within its reactive networks, allowing for adjustable reactance values through control signals. The use of micro-electromechanical (MEM) devices enables integration with control circuitry on a common substrate, resulting in a high-quality output with low harmonic content across a wide range of input signal frequencies.
Career Highlights
Throughout his career, J L Julian Tham has worked with prominent companies such as Rockwell Science Center, Inc. and Skyworks Solutions, Inc. His experience in these organizations has contributed to his expertise in developing advanced communication technologies.
Collaborations
He has collaborated with notable individuals in the field, including James L Bartlett and Mau Chung F Chang. These partnerships have likely fostered innovation and the exchange of ideas in their respective projects.
Conclusion
J L Julian Tham's contributions to the field of communication technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, paving the way for future advancements.