Location History:
- Kitchener, CA (2005)
- Waterloo, CA (2003 - 2007)
Company Filing History:
Years Active: 2003-2007
Title: Innovations of Yang Ling in Radio Frequency Technology
Introduction
Yang Ling is a prominent inventor based in Waterloo, Canada, known for his significant contributions to radio frequency (RF) technology. With a total of three patents to his name, he has developed innovative methods and apparatuses that enhance the performance and efficiency of RF systems.
Latest Patents
One of Yang Ling's latest patents is titled "Method and apparatus for conversion of radio frequency (RF) signals using aperiodic mixing signals." This invention presents an inexpensive, high-performance, fully-integrable, multi-standard transceiver. The design includes an active mixer followed by a high pass filter and a passive mixer. The input signal can be modulated up or demodulated down using a pair of complementary, aperiodic mixing signals. This approach allows for the construction of a fully-integrated transceiver, which can be employed in multi-band, multi-frequency applications while maintaining high performance.
Another notable patent is "Method and apparatus for down-conversion of radio frequency (RF) signals with reduced local oscillator leakage." This patent addresses the issues of local oscillator (LO) leakage and 1/f noise that are common in direct conversion RF receivers and other demodulators. To mitigate these problems, a virtual local oscillator (VLO) signal is generated within the RF signal path, tuned to the incoming RF signal. The VLO signal is constructed using signals that do not contain significant power at the LO frequency, and any errors in generating this signal are minimized through a closed-loop correction scheme.
Career Highlights
Yang Ling has made remarkable strides in the field of RF technology, particularly through his work at Sirific Wireless Corporation. His innovative patents have positioned him as a key figure in advancing RF signal processing techniques.
Collaborations
Yang collaborates with talented individuals such as Tajinder Manku and Lawrence Wong, contributing to a dynamic and innovative work environment.
Conclusion
Yang Ling's contributions to radio frequency technology through his patents demonstrate his expertise and commitment to innovation. His work continues to influence the development of advanced RF systems, showcasing the importance of inventive minds in the field.