MEMRISTOR

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MEMRISTOR
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INTRODUCTION

• GENERALLY WHEN PEOPLE THINK ABOUT
  ELECTERONICS,THEY MAY INITIALLY THINK OF PRODUCTS
  SUCH AS PHONE,RADIOS,LAPTOPS,COMPUTERS ETC..
• OTHERS HAVING SOME ELECTRONICS BACKGROUND, MAY
  THINK OF RESISTORS,CAPACITORS,ETC..
• THEY ARE THE BASIC COMPONENTS NECESSARY FOR
  ELECTRONICS FUNCTION.

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• MEMRISTOR THEORY WAS FORMULATED AND NAMED BY LEON
  CHUA IN A 1971 PAPER
• HE STRONGLY BELIEVED THAT A FOURTH DEVICE EXISTED
  TO PROVIDE CONCEPTUAL SYMMETRY WITH THE
  RESISTOR,INDUCTOR AND CAPACITOR
• THIS SYMMETRY FOLLOWS FROM THE DESCRIPTION OF
  BASIC PASSIVE CIRCUIT ELEMENTS AS DEFINED BY A
  RELATION BETWEEN TWO OF THE FOUR FUNDAMENTAL
  CIRCUIT VARIABLES

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• THE REASON THAT THE MEMRISTOR IS RADICALLY
  DIFFERENT FROM THE OTHER FUNDAMENTAL CIRCUIT
  ELEMENTS IS THAT,UNLIKE THEM IT CARRIES A MEMORY
  OF ITS PAST
• WHEN YOU TURN OFF THE VOLTAGE TO THE CIRCUIT,THE
  MEMRISTOR STILL REMEMBER HOW MUCH WAS APPLIED
  BEFORE AND FOR HOW LONG
• THATS AN EFFECT THAT CANT BE DUPLICATED BY ANY
  CIRCUIT COMBINATION OF RESISTORS,CAPACITORS,INDUCT
  ORS

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• THAT IS WHY MEMRISTOR IS QUALIFIED AS A
  FUNDAMENTAL CIRCUIT ELEMENT.
• THE ARRANGEMENT OF THESE FEW FUNDAMENTAL CIRCUIT
  COMPONENT FORM THE SASIS OF ALMOST ALL OF THE
  ELECTRONIC DEVICES WE USE IN OUR DAILY LIFE.

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