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The MOSFET Current M..
The MOSFET Current M..

... If the load resistor becomes larger than R Vt 1 Iref , the voltage VDS 2 will drop below the excess gate voltage VGS 2 Vt 2 , and thus the second MOSFET will enter the triode region. As a result, the drain current will not equal I ref —the current source will stop working! Although the circuit pre ...
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Design, fabrication and performance of a 1.29 T Bi

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The Diode Exercise in Excel

... In column C we will enter a Voltage across the resistor. Format these cells as a number with three decimal places. Since this is a calculated value we enter a formula into these cells. To do this we select do the following: 1) Select the cell where the results should go. 2) Enter "=" followed by the ...
Charging – Revision Pack (P6)
Charging – Revision Pack (P6)

AC GENERATOR COMPONENTS
AC GENERATOR COMPONENTS

... Slip rings are electrical connections that are used to transfer power to and from the rotor of an AC generator (refer to Figure 1). The slip ring consists of a circular conducting material that is connected to the rotor windings and insulated from the shaft. Brushes ride on the slip ring as the roto ...
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Hall Effect in a Plasma

DC Generator - Schuylkill Technology Center
DC Generator - Schuylkill Technology Center

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... DC-DC conversion are there to reduce component stresses and switching losses while achieving high power density and improved performance. Among them, the full-bridge (FB) zero-voltage-switched (ZVS) converter is one of the most attractive techniques which are shown in Fig. 1. It is the most widely u ...
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ZXLD383 Summary Features Application Pin Assignments Typical

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Spintronics com.ppt - 123seminarsonly.com

Physics 3 Spring 1989 Lab 1 - Capacitance Measurements Theory
Physics 3 Spring 1989 Lab 1 - Capacitance Measurements Theory

... 5. If the capacitance of the unknown capacitor is << than the capacitance of the known capacitor, one charge sharing will not yield an accurate value for the unknown capacitance. (Why?) It can be shown, however, that if the charge sharing is repeated n times (the unknown being discharged before each ...
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1.Integrating Coupled Inductor and Switched - ISSN:2454-356X

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Lecture 3

...  A resistor in series will limit the forward current in order to protect the diode from overheating and permanent damage.  A portion of forward-bias voltage drops across the limiting resistor.  Continuing increase of Vf causes rapid increase of forward – R current but only a gradual increase in v ...
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Tesla coil theoretical model and experimental verification

... Nevertheless, current understanding of infinitely remote sphere in electro-physics create problems for its practical use because it is difficult to understand how electrical force field lines could be completed as it is required by principle of continuity of electric current after passing infinite d ...
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Permanent Magnet Synchronous Machine Parameters Identification

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Demonstration System EPC9111/EPC9112 Quick Start Guide

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Pulse Design Methods for Reduction of Specific Absorption Rate in Parallel RF Excitation

... Department of Electrical Engineering and Computer Science, MIT, Cambridge, MA, United States, 2A. A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, United States, 3Siemens Medical Solutions, Erlangen, Germany, 4Harvard-MIT Division of ...
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INSTALLATION INSTRUCTIONS

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Coilgun



A coilgun (or Gauss rifle, in reference to Carl Friedrich Gauss, who formulated mathematical descriptions of the magnetic effect used by magnetic accelerators) is a type of projectile accelerator consisting of one or more coils used as electromagnets in the configuration of a linear motor that accelerate a ferromagnetic or conducting projectile to high velocity. In almost all coilgun configurations, the coils and the gun barrel are arranged on a common axis.Coilguns generally consist of one or more coils arranged along a barrel, so the path of the accelerating projectile lies along the central axis of the coils. The coils are switched on and off in a precisely timed sequence, causing the projectile to be accelerated quickly along the barrel via magnetic forces. Coilguns are distinct from railguns, as the direction of acceleration in a railgun is at right angles to the central axis of the current loop formed by the conducting rails. In addition, railguns usually require the use of sliding contacts to pass a large current through the projectile or sabot but coilguns do not necessarily require sliding contacts. Whilst some simple coilgun concepts can use ferromagnetic projectiles or even permanent magnet projectiles, most designs for high velocities actually incorporate a coupled coil as part of the projectile.
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