PH junction diode-VI characteristics – Rd, temperature effects – Drift ad
diffusion currents – switching – Rectifiers: HWR, FWR, BR, filters-Zener diode
– VI characteristics, Regulators (series and shunt), LED, LCD characteristics
and applications.
BJT AND ITS APPLICATIONS
Junction transistor – Transistor construction – Input and output
characteristics – CE, CB and CC configurations – hybrid model – Analytical
expressions – switching – RF application – Power transistors – Opto couplers.
FET AND ITS APPLICATIONS
FET – VI characteristics, VP, JFET – small signal model – LF and HF
equivalent circuits – CS and CD amplifiers –cascade and cascade – Darlington
connection – MOSFET - Characteristics – enhancement and depletion
AMPLIFIERS AND OSCILLATORS
Differential amplifiers: CM and DM – condition for ofc-feedback amplifiers
– stability – Voltage / current, series / shunt feedback – oscillators – LC,
RC, crystal
PULSE CIRCUITS
RC wave shaping circuits – Diode clampers and clippers – Multivibrators –
Schmitt triggers – UJT based saw tooth oscillators.
REFERENCE
Text Books
1.Paynter, “Introductory lectronic devices and circuits, 2006, PHI.
2.David Bell “Electronic Devices and Circuits” 2007, PHI.
