Unit 1
BJT: Current – Voltage characteristics, BJT as an amplifier and as a switch, brief idea of dc analysis, Biasing circuits, small signal operation and models, single stage BJT amplifiers, BJT internal capacitances and high frequency model – Frequency response of CE amplifier. Emitter follower, Darlington-pair.Applications of Diodes: Design of Clipper, clamper circuits and Voltage doubler.