This example shows a tunnel diode, a device that demonstrates negative resistance. The graphs at the lower right shows current versus voltage. When the applied voltage is increased, most devices have increased current flow. But the tunnel diode has a region where increased voltage will cause reduced current; this is the downward-sloping part of the graph. -- Credits: Mr. Paul Falstad.
|Punit Sharma said: (May 19, 2012)|
|Tunnel diode is also known as esaki diode given by esaki. It has negative resistance characteristic.|
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