Hakan Johansson

Title: Hakan Johansson: Innovator in Time-Interleaved Analog-to-Digital Converters

Introduction

Hakan Johansson is a notable inventor based in La Jolla, California. He has made significant contributions to the field of signal processing, particularly in the development of methods for improving the performance of analog-to-digital converters (ADCs). His innovative approach addresses critical issues in frequency-response mismatch errors, which are essential for enhancing the accuracy of digital signal processing.

Latest Patents

Hakan Johansson holds a patent for a method titled "Compensation of mismatch errors in a time-interleaved analog-to-digital converter." This invention focuses on compensating frequency-response mismatch errors in M-channel time-interleaved ADCs. The technique employs a series of fixed filters that approximate differentiators of various orders, along with variable multipliers that correspond to parameters in polynomial models of the M channel frequency responses. This method allows for the creation of a compensated M-channel time-interleaved ADC that can effectively implement the compensation process.

Career Highlights

Hakan Johansson is associated with Signal Processing Devices Sweden AB, where he applies his expertise in signal processing and ADC technology. His work has been instrumental in advancing the capabilities of ADCs, making them more reliable and efficient for various applications. His dedication to innovation has positioned him as a key figure in the field.

Collaborations

Hakan has collaborated with Per Loewenborg, contributing to the development of advanced signal processing techniques. Their partnership has fostered a creative environment that encourages the exploration of new ideas and solutions in the realm of analog-to-digital conversion.

Conclusion

Hakan Johansson's contributions to the field of signal processing, particularly through his patented methods for ADCs, highlight his role as an influential inventor. His work continues to impact the industry, paving the way for future innovations in digital signal processing.