i would like to get explanation about the circuit being used to reduce the standby power of a pir sensor base lighting device ....etc

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Wireless distributed microsensor systems will enable fault tolerant monitoring and control of a variety of applications. Due to the large number of microsensor nodes that may be deployed and the long required system lifetimes, replacing the battery is not an option. Sensor systems must utilize the minimal
possible energy while operating over a wide range of operating scenarios. This paper presents an overview of the key technologies required for low-energy distributed microsensors. These include power aware computation/communication component ....etc

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A Modular Single-Phase Power-Factor-Correction Scheme With a Harmonic Filtering Function



INTRODUCTION

THE recent developments in power electronics technology
enable us to introduce power converters into
telecommunication applications to drive various loads in
single-phase power distribution systems. The expanding use
of electric loads controlled by power electronics has made
power converters an important and unquestionable part of the
modern society. Power supply systems i ....etc

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....etc

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To get full information or details of low energy efficient wireless communication network design document please have a look on the pages

http://seminarsprojects.net/Thread-low-energy-efficient-wireless-communication-network-design--15841?pid=19600&mode=threaded

http://seminarsprojects.net/Thread-low-energy-efficient-wireless-communication-network-design--16925

if you again feel trouble on low energy efficient wireless communication network design document please reply in that page and ask specific fields in low energy efficient wireless ....etc

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hi
pls follow the below links for more details on 'wireless sensor network in scada system using gsm for power plant'

http://seminarsprojects.net/Thread-wisenet-wireless-sensor-network-download-seminars-report?pid=28781#pid28781
http://seminarsprojects.net/Thread-wisenet-wireless-sensor-network-download-seminars-report ....etc

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A Low-Voltage Low-Power Comparator With
Current-Controlled Dynamically-Biased
Preamplifiers For DCM Buck Regulators

Hoi Lee
Department of Electrical Engineering,
The University of Texas at Dallas,
Richardson, TX 75080-3021, USA.



Abstract-

Comparator-controlled power switch has been widely used to improve power efficiencies of discontinuous-conductionmode (DCM) buck regulators. Some major design challenges are capabilities of the comparator to operate at low voltage and dissipate low power for low-voltage DCM ....etc

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if you checked the 1st page of this thread, you could see some links to get detailed information on the topic. Anyway, please go through the following link.

http://seminarsprojects.net/Thread-low-energy-efficient-wireless-communication-network-design--15841?pid=19600#pid19600 ....etc

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Abstract
In this letter, we analyze a class of Opportunistic Power Allocation (OPA) and sensor selection schemes for parameter estimation in wireless sensor networks. In all cases, only sensors experiencing favorable conditions participate in the estimation process by adjusting their transmit power on the basis of local Channel State Information (CSI) and Residual Energy Information. We address a number of classical problems: the minimization of distortion and transmit power, or the enhancement of network lifetime. Furthermore, we derive an ....etc

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im ashu, plez send me a low cost efficient wireless architecture for rural network connectivity ppt to my mail plez plez.
plez i want ppt of this project to my mail,, ....etc

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