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Title: zener diode
Description: fully explain of zener diode of book basic electronic by floyd conventional current
Description: fully explain of zener diode of book basic electronic by floyd conventional current
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Basic Electronics
Well Come
This presentation on zener diode
19092
Khan
...
The breakdown voltage of a zener diode is set by carefully
controlling the level during manufacture
...
Typically it is used for providing a stable
reference voltage for use in power supplies and other equipment
...
Two types of reverse
breakdown in a zener diode are avalanche and zener
...
Zener
breakdown occurs in a zener diode at low reverse voltages
...
This causes a very thin depletion region
...
8 V
to 200 V
...
The exception being is that it
is placed in the circuit in reverse bias and operates in reverse breakdown
...
Note that it’s forward characteristics are just like a normal diode
...
As the reverse voltage (VR) is increased, the reverse current (IR)
remains extremely small up to the “knee” of the curve
...
At this point, the breakdown
effect begins; the internal zener resistance, also called zener impedance
(ZZ), begins to decrease as reverse current increases rapidly
...
VZ: zener voltage
Vd: Diode voltage
Vd = 0
...
Thank You…
Title: zener diode
Description: fully explain of zener diode of book basic electronic by floyd conventional current
Description: fully explain of zener diode of book basic electronic by floyd conventional current