zener diode working animation ppt

The Zener Diode
In the previous Signal Diode tutorial, we saw that a reverse biased diode blocks current in the reverse direction, but will suffer from premature breakdown or damage if the reverse voltage applied across it is too high.

However, the Zener Diode or Breakdown Diode as they are sometimes called, are basically the same as the standard PN junction diode but are specially designed to have a low pre-determined Reverse Breakdown Voltage that takes advantage of this high reverse voltage. The zener ....etc

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A servo system mainly consists of three basic components - a controlled device, a output sensor, a feedback system.
This is an automatic closed loop control system. Here instead of controlling a device by applying the variable input signal, the device is controlled by a feedback signal generated by comparing output signal and reference input signal.
When reference input signal or command signal is applied to the system, it is compared with output reference signal of the system produced by output sensor, and a third signal produced by a feedback ....etc

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in series zener diode data book download

Abstract

A Zener diode allows current to flow from its anode to its cathode like a normal semiconductor diode, but it also permits current to flow in the reverse direction when its Zener voltage is reached. Zener diodes have a highly doped, p-n junction. Normal diodes will also break down with a reverse voltage but the voltage and sharpness of the knee are not as well defined as for a Zener diode. Also normal diodes are not designed to operate in the breakdown region, but Zener diodes can reliably op ....etc

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working principle of pn junction diode with simulation/animation ....etc

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ZENER DIODE TESTER

ABSTRACT

The testing of zener diodes requires a variable dc power supply. A typical test circuit can be constructed, as shown in figure 4-19. In this circuit, the variable power supply is used to adjust the input voltage to a suitable value for the zener diode being tested. With the zener diode connected no current will flow until the voltage across the diode is equal to the zener voltage. If the diode is ....etc

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i want a ppt on diode working principle.because i want to know that how diode can convet ac to dc. ....etc

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construction and working of impatt diode pdf

Abstract

In many respects, the IMPATT diode structure is very similar to that of many other forms of diode, and in particular the standard PN junction diode or the Schottky diode.However the differences in its construction and fabrication mean that it is able to operate in its avalanche mode whether the transit time provides the negative resistance.
There is a variety of structures that are used for the IMPATT diode. All are variations of a basic PN junction and usually there is an intrinsic layer, ....etc

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To get full information or details of zener diode animation please have a look on the pages

http://seminarsprojects.net/Thread-direct-online-starter-for-single-phase-submersible-motor-pdf-wikipedia

if you again feel trouble on zener diode animation please reply in that page and ask specific fields in zener diode animation ....etc

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i have to teach p-type and n-type semiconductor to students.can i get the ppts which contains movement of electrons from valence band to conduction band.font=Arial] ....etc

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