jhtfjhgfjhgfjhgfjhgfjhgfj
kjhkgjhgkhjgkhj ....etc

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Abstract:

Digital audio broadcasting, DAB, is the most fundamental advancement in radio technology since that introduction of FM stereo radio. It gives listeners interference - free reception of CD quality sound, easy to use radios, and the potential for wider listening choice through many additional stations and services.

DAB is a reliable multi service digital broadcasting system for reception by mobile, portable and fixed receivers with a simple, non-directional antenna. It can be operated at any frequency from 30 MHz ....etc

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SWITCHED RELUCTANCE MOTORS

HISTORY
INVENTED BY DAVIDSON OF SCOTLAND IN 1838
WALKER INVENTED VARIABLE RELUCTANCE MOTOR IN 1920
BEDFORD AND HOFT FILED US PATENTS ON SRM IN 1971
HEWLETT PACKARD- USED SRM IN VOLUME APPLICATION (DRAFTMASTER PLOTTER)

INTRODUCTION
Pple of stepper motor; magn material suspended in magn field align in direction of field due to torque
Basically stepper motor;i.e rotate through fixed angle when input pulse is applied
Speed proportional to pulse frequency; ....etc

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Abstract “
Solid state control of ac power using diodes, thyristors and triacs injects the harmonics into the ac mains. These injected harmonics cause low efficiency in the supply system, poor power factor and EMI problems. Active filters have been considered a potential candidate to reduce these problems. This paper deals with an active power-filter (APF) based on simple control with optimum selection of energy storage capacitor. A voltage source inverter with hysteresis current control is employed to form the APF, which uses minimum ....etc

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ASTN (Automatic Switched Transport Network) allows traffic paths to be set up through a switched network automatically. The term ASTN replaces the term ASON (Automatically Switched Optical Network) and is often used interchangeably with GMPLS (Generalized MPLS). This is not completely correct as GMPLS is a family of protocols, but ASON/ASTN is an optical/transport network architecture. The requirements of the ASON/ASTN architecture can be satisfied using GMPLS protocols developed by the IETF or by GMPLS protocols that have been modified by the ....etc

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ppt of Ultra-Large Gain Step-Up Switched-Capacitor
DC-DC Converter With Coupled Inductor for
Alternative Sources of Energy ....etc

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i need to present a seminar which basically consists of wat is a switched capacitor circuit ,wat it is ,how it works and applications etc ....etc

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Introduction To Ham Radio Circuit Audio Filter

One of the earliest mode of radio communications is the use of Morse Code on a continuous wave carrier(CW) which is interrupted to generate a DIT and DAH in forming an alphabet. Though it looks simple, this method is often make less reliable as the surrounding man-made noise and atmospheric noise caused interference to the receiver station. This project will help to filter out the interference signal and ensure that the signal received from the Morse code station stand out.




Circuit Des ....etc

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what is the advantages of circuit switching in packet switching?? plz give me answer

what is the advantages of circuit switching in packet switching?? plz give me answer


....etc

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Prepared by:
Debashish Mishra




BACKGROUND

The significance of power factor (PF) correction is reflected in the large number of documents addressing this subject, in the engineering design effort, and in the numerous industrial plants that manufacture equipment for the control of reactive power and filtering of current harmonics . Some of the benefits derived from correct PF adjustment are:
1. reduced energy loss;
2. released generation, transmission, distribution, and substation cap ....etc

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