PROJECT TITLE :

Digital Offset Cancellation for Long Time-Constant Subthreshold OTA-C Integrators

ABSTRACT:

Systems using integrators with very very long time constants can place a severe constraint on allowable amplifier offset. Postfabrication cancellation of those offsets is a demand in these applications. This brief describes the look, simulation, and measurement of a subthreshold operational transconductance amplifier (OTA) with digital calibration and its strong calibration algorithm. Statistical simulations show the theme's ability to scale back the output offset by a issue of 40. Measurements on several prototype OTAs validate the technique's ability to bring the standard deviation of integrated output offset to less than ten mV in most cases, or regarding thirty input-referred offsets. A secant-based mostly algorithm is proposed that finds the optimum digital calibration code for each OTA in an exceedingly small range of search steps that minimizes the integrated output offset. This algorithm is robust to nonmonotonic tuning characteristics, permitting the additional circuitry to be minimally sized. For low-frequency applications below 5 Hz, the scheme has nearly no web impact on die space in processes permitting circuitry below the mixing capacitor.


Did you like this research project?

To get this research project Guidelines, Training and Code... Click Here


PROJECT TITLE :Digital Self-Interference Cancellation With Variable Fractional Delay FIR Filter for Full-Duplex Radios - 2018ABSTRACT:In full-duplex radios, delay alignment errors end in random mismatch between the self-interference
PROJECT TITLE :A Droop Measurement Built-in Self-Test Circuit for Digital Low-Dropout Regulators - 2018ABSTRACT:Today's highly integrated system-on-chips (SOCs) employ several integrated voltage regulators to realize higher power
PROJECT TITLE :Evolutionary Approach to Approximate Digital Circuits Design - 2017ABSTRACT:In approximate computing, the need of excellent functional behavior will be relaxed as a result of some applications are inherently error
PROJECT TITLE :A Fully Digital Front-End Architecture for ECG Acquisition System With 0.5 V Supply - 2017ABSTRACT:This paper presents a brand new power-economical electrocardiogram acquisition system that uses a fully digital
PROJECT TITLE :High-performance engineered gate transistor-based compact digital circuits - 2017ABSTRACT:A unique methodology for coming up with and realising compact digital circuits by engineering MOSFET gate electrode is proposed.

Ready to Complete Your Academic MTech Project Work In Affordable Price ?

Project Enquiry