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Solid State Devices and Circuits

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A complete notes on Solid State Devices and Circuits
An activation circuit for battery-powered biomedical implantable systems

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Loosening in hip prosthesis is the dominant issue for many patients who undergo a hip arthroplasty. Instrumented and telemeterized prosthesis with embedded electronics and communications capabilities provide an excellent tool to detect early and minimal loosening which justifies the increasing number of implantable electronic devices. The conception and implementation of such a telemetry system follows some key specifications, such as the frequency of use, the system lifetime and power requirements, the wireless coverage range as well as safety issues. Among these specifications, system lifetime remains a critical issue when considering a permanent implant. Recent battery chemistry developments and advances in energy harvesting techniques are broadening new telemetry solutions. An emerging approach to embed electronics in implants is to combine the advantages of the well-established inductive link technology with an energy harvesting and storage system. This combination may be accomplished by means of an activation circuit, powered and controlled momentarily by an inductive link, which is responsible for powering a separate, unidirectional, telemetry system. When not in operation, the energy harvested from vibration sources may be employed to replenish the system’s energy storage.
MICROCONTROLLER BASED POWER METER

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MICROCONTROLLER BASED POWER METER OVERVIEW INTRODUCTION DESCRIPTION BASIC BLOCK DIAGRAM COMPONENTS USED HARDWARE DESIGN POWER MEASURING TECHNIQUE SOFTWARE DEVELOPMENT TESTING MERITS LIMITATIONS FUTURE DEVELOPMENTS CONCLUSION REFERANCE 1.INTRODUCTION  Active and reactive powers are the most important qua
Induction Motor - DOC

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Induction Motor (Asynchronous Motor) – Overview of Three-Phase Induction Motor – Construction – Principle of Operation – Equivalent Circuit • Power Flow, Losses and Efficiency • Torque-Speed Characteristics – Speed Control – Overview of Single-Phase Induction Motor Introduction Gene
RADAR

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RADAR(Radio Detection and Ranging) Radar works on the principle of echo.A high frequency (of the order of mega hertz)electromagnetic wave is transmitted which incidents on the object.The reflected pulse from the object is received back by the same antenna(which transmits).From the reflected signal and time interval between transmission and rec
GPS - Download as DOC - DOC

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GPS SATELLITES ABSTRACT: GPS (Global Positioning System), a constellation of 24 NAVSTARs (Navigation Satellites for Time and Ranging) in six groups of four owned and operated by the Department Of Defense (DOD), is the first positioning system to offer highly precise location data for any point on the planet, in any weather. Today’s
junction field transistor

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The Field Effect Transistor In the Bipolar Junction Transistor(BJT), we saw that the output Collector current of the transistor is proportional to input current flowing into the Base terminal of the device, thereby making the BJT a "CURRENT" controlled device. The Field Effect Transistor, or simply FET however, uses the voltage that is applied
AMPLITUDE_MODULATION notes

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DTC5038 ANALOG COMMUNICATION SYSTEM Trimester 3 2008-2009 LECTURE NOTES 3 CHAPTER 3: AMPLITUDE MODULATION Subtopic: 3-1 Introduction to Modulation 3-2 Types of Modulation 3-3 Modulation Index 3-1 INTRODUCTION A large number of informa
AUXILIARY POWER CONTROL OF HYBRID ELECTRIC VEHICLES - PowerPoint

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What is Hybrid Electric Vehicle? Need for A.P.U. Role of Supervisor The objective to be satisfied are (1) To fast activate the A.P.U. (2) To limit the current overshoots and speed oscillations (3) To maintain constant shaft speed Different A.P.U. Operating Phases Role of reference governor
PERFORMANCE COMPARISON OF AN AUTONOMOUS ROBOT WITH FUZZY LOGIC_ BACKSTEPPING _ MODEL REFERENCE ADAPTIVE CONTROLLERS

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The objective of this is to compare the performance of an Autonomous Mobile Robot using Fuzzy Logic, Backstepping and Model Reference Adaptive Controllers. contents.... Robot modeling Fuzzy logic controller design Nominal Case With Noises With Perturbation Backstepping controller design Local Tracking Controller Design Global Tracking Controller Design Model reference adaptive controller design
Economic Load Dispatch based on Genetic Algorithm-seminar report

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Economic Load Dispatch based on Genetic Algorithm... objectives... Develop a Genetic Algorithm in MAT Lab for solving ELD problem Develop a linear program in MAT Lab for solving ELD problem Perform FDLF on IEEE 30bus system to find total power generation. Solve ELD problem using GA method and LP method Compare the results of both method
Menu Driven Programs To process an array of records

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C++ program for menu driven programs to process an array of records......
Introduction to robotics-Basic line follower

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An exclusive tutorial & presentation for Introduction to robotics-Here we start with "A simple line follower". A line follower is an autonomous robot that can follow a line on the arena. The line is usually black or white in color with a contrasting background......