Company Filing History:
3 out of 54,726 
1 out of 2,597 
1 out of 19 Years Active: 2003-2011
Title: Perry Leigh Heedley: Innovator in Phase-Locked Loop Technologies
Introduction
Perry Leigh Heedley is a notable inventor based in Folsom, CA, known for his contributions to the field of electronics, particularly in phase-locked loop (PLL) technologies. With a total of five patents to his name, Heedley's work stands at the intersection of innovation and practical application, providing solutions to complex engineering challenges.
Latest Patents
Among Heedley's most recent patents is his innovative design for a low spur phase-locked loop architecture. This PLL integrates a frequency-synthesizing system that features a differential Kvco gain linearization circuit equipped with adjustable DC offset, aimed at minimizing clock jitter. By employing programmable loads, the architecture ensures the free-running oscillation frequency of the voltage-controlled oscillator (VCO) remains closely centered around the desired frequency, thereby reducing the necessary control voltage range. Additionally, this differential PLL architecture includes a charge pump designed to mitigate variations in Kvco, alongside an LC tank oscillator with differential controlled varactors, achieving remarkable control over reference spurs, going below -80 dBc.
Heedley also holds a patent for a common mode feedback circuit intended for fully differential two-stage operational amplifiers. This circuit is meticulously designed to provide negative feedback and high gain, comprising a first gain stage, a second gain stage, a feedback circuit, and a biasing circuit.
Career Highlights
Throughout his career, Perry Heedley has made influential strides in the technology sector. He has worked with prominent companies such as Intel Corporation and Cirrus Logic Inc., where he contributed his expertise in the design and development of advanced electronic systems. His technical acumen and innovative mindset have allowed him to make significant advancements in the field.
Collaborations
Heedley has had the opportunity to collaborate with accomplished colleagues, including Kenneth Colin Dyer and Eric Kimball. Their combined efforts and diverse expertise have undoubtedly contributed to the successful development of innovative technologies and patents in their respective fields.
Conclusion
Perry Leigh Heedley's journey as an inventor illustrates the profound impact that innovations in electronics can have on the industry. His patents not only showcase his technical skills but also highlight his commitment to enhancing technology for practical applications. As he continues to push boundaries, Heedley remains an influential figure within the realm of electronic engineering.