UNIT I

UNIT I: P-N junction diode

Qualitative theory of p-n junction, Energy level diagram of p-n junction in forward and reverse bias condition, p-n junction as a diode, volt-ampere characteristics, temperature dependence of V-I characteristic, Transition and Diffusion capacitances (qualitative),breakdown mechanisms in semiconductor diodes, Zener diode characteristics, Photo diode, Varactor diode characteristics.