Signal Acquisition using a Multi-frequency Chopping in a Single Circuitry

Category – Biomedical Signal Processing Applications– Medical Monitoring

Industry- Healthcare and Telemedicine

Market- Telehealth market is projected to expand at a robust CAGR of 19.7% from 2023 to 2030, reaching a value of USD 504.24 billion.

Low frequency biopotential signals suffer from high noise and DC offset, necessitating complex chopper stabilization techniques to mitigate these effects.
Current signal acquisition systems use separate circuitry for chopping and acquisition, leading to increased power consumption and component count.
There is a critical need to simplify the analog front end of signal acquisition systems to reduce power consumption and component count while maintaining signal integrity.

The method and system utilize multi-frequency chopping to process multiple signals simultaneously in a single circuitry, enabling noise reduction and elimination of DC offset.
This approach involves applying different levels of chopping at varying frequencies to effectively process the signals, reducing complexity and power consumption compared to traditional methods.
The system includes components like chopper amplifiers, filters, and Analog-to-Digital Converters (ADCs), streamlining the signal acquisition process and enhancing efficiency in biopotential signal measurement and assessment.

Enhanced Signal Processing Efficiency:

Utilizing multi-frequency chopping technology streamlines signal acquisition processes, reducing noise and DC offset effects while simplifying circuitry.

Reduced Power Consumption:

By processing multiple signals simultaneously in a single circuitry, power consumption is minimized, enhancing energy efficiency in signal acquisition systems.

Simplified System Design:

Integrating chopping and processing functionalities into a unified system reduces component count and complexity

Prof. Aniruddhan S

Department of Electrical Engineering

TRL- 4

Technology validated in lab scale.

Technology Transfer