Unit-2 Special semiconductor devices

ELECTRONIC DEVICES AND CIRCUITS 

Part-1:

Special semiconductor devices:-

Zener diode, varactor diode, Tunnel diode

LED:-

Photo diode:-

UJT, SCR construction, characteristics:-

https://drive.google.com/file/d/1aMJajz3FF3ocv2B4wAMRuMtxbnCmSRSq/view?usp=drivesdk