What is Zener diode how it is used as Voltage Stabilizer ?
Zener diode :- A properly dropped p-n Junction diode which as Sharpe break down voltage always operate reverse baise is called Zener diode.
Symbol :-
*** The forward Character sticks are zener diode is same as ordinary diode.
*** To make zener diode silicone is preformed over Germanium due to high thermal stability.
**** In reverse baise at particular voltage the current increases suddenly is called Zener break down voltage.
Zener diode :-
*** Zener diode used as a voltage Stabilizer.
*^* A device which gives constant out put voltage even the input voltage.
*^* The show in circuit zener diode connected with input battery in reverse baise with sires resistance.
*^* Out put is taken across load resistance [ RL ].
*^* The unregulated out put is applied to input battery.
*^* The series resistance ( R ) control voltage zener diode.
*^* If input current is varies output voltage is constant zener diode.
*^^* Vin = IR + VZ
Vin = IR + Vout
I = IL + IZ
IL = load current
IZ = zener current
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