S of semiconductor device & circuit for electrical & electronics engineering. It almost cover topic with graphic illustration chapter wise. Chapter 1. Semiconductor device. 1. Theory of P-N junction. 2. Temperature dependence and break down characteristics. 3. Junction capacitance of diode. 4. Zener diode. 5. Varactor Diode. 6. PIN diodes. 7. Led. 8. Photodiode.