A Smart Floating Gate Transistor with Two Control Gates for Active Noise Control.

Area of Science:

• Semiconductor device physics
• Bioelectrical engineering
• Integrated circuit design

Background:

• Bioelectrical signal measurement is susceptible to noise interference.
• Traditional noise reduction methods can be complex or costly.
• Floating gate transistors offer potential for signal processing applications.

Purpose of the Study:

• To propose and validate a smart floating gate transistor for active noise control.
• To demonstrate the device's effectiveness in reducing interference in bioelectrical signals.
• To assess the feasibility of large-scale integration using standard CMOS processes.

Main Methods:

• Development of a novel two-control-gate floating gate transistor.
• Modeling and theoretical analysis of the device's working principle.
• Implementation in a standard single-poly CMOS process.
• Experimental validation including I-V and threshold characteristics.
• Integration into a source follower circuit for noise reduction testing.

Main Results:

• The device exhibited standard floating gate transistor electrical characteristics.
• Theoretical analysis and simulations confirmed the superposition principle of the two control gates.
• Experimental tests demonstrated a significant interference reduction of over 29 dB.
• The device proved to be low-cost and suitable for large-scale integration.

Conclusions:

• The proposed smart floating gate transistor is a viable solution for active noise control in bioelectrical measurements.
• The dual-control-gate design enables effective interference suppression.
• The device's CMOS compatibility and low cost facilitate practical implementation and scalability.