09-01-2014, 03:14 PM
GREEN DESIGN TECHNIQUES FOR RF FRONT-END CIRCUITS
GREEN DESIGN TECHNIQUES.pptx (Size: 1.03 MB / Downloads: 22)
INTRODUCTION
GLOBAL CLIMATIC CHANGE, ENVIRONMENTAL PROTECTION, ENERGY SAVING - IMPORTANT ISSUES OF COMING CENTUARY
GREEN DESIGN - PHILOSOPHY OF DESIGNING PHISICAL OBJECTS AND SERVICES WHICH SATISFY THE PRINCIPLES OF ECONOMIC, SOCIAL, AND ECOLOGICAL SUSTAINABILITY.
INTENSION OF GD - REDUCE NEGATIVE IMPACTS ON ENVIRONMENT.
ALTHOUGH PRACTICAL APPLICATIONS OF GD VARY FROM DISCIPLINE TO DISCIPLINE, THEY HAVE A GENERAL FORMAT.
GREEN DESIGN PRINCIPLES
LOW IMPACT MATERIALS
ENERGY EFFICIENCY
QUALITY AND DURABILITY
SERVICE SUBSTITUITION
DESIGN FOR REUSE AND RECYCLE
ROBUST ECO-DESIGNING
RF FRONT-END CIRCUITS
DEFINITION - EVERYTHING BETWEEN THE ANTENNA PART AND DIGITAL BASEBAND S/M OF ANY COMMUNICATION S/M.
THESE ARE THE CORE PART OF ANY COMMUNICATION S/M
FOR EG:- THE RF FRONT-ENDS INCLUDED IN A TRANSCEIVER ARE FILTERS, LOW NOISE AMPLIFIERS, MIXERS, ADC, DAC ETC
CHALLENGES IN DESIGNING ENERGY EFFICIENT CIRCUITS
IN A COMMUNICATION SYSTEM BOTH TRANSMITTED POWER AND CIRCUITS POWER ARE IMPORTANT FOR ENERGY EFFICIENT COMMUNICATION.
TYPICAL ENERGY DISSIPATION OF RF DEVICES INCLUDE 1)POWER CONSUMPTION OF ACTIVE AND PASSIVE DEVICES , 2)INTERCONNECTION LOSSES
TOTAL POWER LOSSES IN A CONNECTED WIRE ARE :-CONDUCTOR LOSS , DIELECTRIC LOSS , RADIATION LOSS , LEAKAGE LOSS ETC
FIG. BELOW SHOWS VARIOUS POWER LOSSES IN A TRANSMISSION LINE
CONCLUSION
GREEN DESIGN OF SMALL-AREA, POWER-REUSED, ENERGY-EFFICIENT AND FULLY INTEGRATED RF CIRCUIT:-MAJOR CHALLENGES IN WIRELESS COMMUNICATION S/ms.
THE VARIOUS GREEN DESIGN TECHNIQUES FOR RF MODULE DESIGN ARE PROPOSED IN THIS PAPER.