Hadi Heidari

Title: Hadi Heidari: Innovator in Biomagnetic Measurement Systems

Introduction

Hadi Heidari is a prominent inventor based in Glasgow, GB. He has made significant contributions to the field of biomagnetism and analog-to-digital conversion technologies. With a total of three patents to his name, Heidari's work focuses on enhancing the performance of sensor systems and improving signal processing techniques.

Latest Patents

One of Heidari's latest patents is a sensor readout circuit for a biomagnetism measurement system. This invention features a readout integrated circuit (IC) architecture designed for a tunneling magnetoresistive (TMR) sensor. It employs common mode feedback to achieve a performance level suitable for the accurate detection of biomagnetic signals. The architecture utilizes a three-operational amplifier configuration with chopper stabilization, potentially forming part of a fully integrated biomagnetic sensor electronics package that includes an array of TMR sensors along with modules for signal amplification, conditioning, data conversion, and communication.

Another notable patent is a method for improving the spurious free dynamic range (SFDR) and signal-to-noise-and-distortion ratio (SNDR) of a capacitor-resistor combined successive approximation register (SAR) analog-to-digital converter (ADC) through capacitor re-configuration. This method involves arranging 128 unit capacitors in positive and negative arrays, acquiring digital codes corresponding to these groups, sorting them, and reconfiguring selected groups to enhance performance.

Career Highlights

Hadi Heidari has worked at esteemed institutions such as the University of Electronic Science and Technology of China and the University of Glasgow. His academic and research endeavors have significantly contributed to advancements in electronic engineering and sensor technology.

Collaborations

Heidari has collaborated with notable colleagues, including Hua Fan and Franco Maloberti. These partnerships have fostered innovation and development in their respective fields.

Conclusion

Hadi Heidari's innovative work in biomagnetic measurement systems and signal processing has established him as a key figure in the field of electronic engineering. His patents reflect a commitment to advancing technology and improving the accuracy of measurement systems.