Electronics-1

Electronics-I
Syllabus:
I. Semiconductors :
Electronic Emission from metal carrier concentration in an intrinsic
Semiconductors open circuited PN junction – diffusion.
II. PN Junction Diode :
PN Junction Diode, VI Characteristics of PN Junction Diode, capacitate effects in
PN Junction Diode, Quantitative theory of PN Junction Diode.
III. Special Devices:
Principles, Working of zero diode, Tunnel diode, Varactor diode, Schottky diode, SCR
and UJT.
IV. Transistors:
The bipolar junction Transistor – Operation of PNP and NPN Transistors –
Transistor Circuit configurations- characteristics of a CE configurations – h
parameter, low frequency small signal equivalent circuit of a Transistor.
V. Transistor Biasing and thermal stabilization:
Transistor Biasing, stabilization, Different methods of transistor biasing – Fixed bias,
Collector feedback bias – self bias – Bias compensation.
VI. Field Effect Transistors:
Junction Field Effect Transistors (JFET) – JFET characteristics, JFET Parameters,
Small equivalent circuit – MOSFETS – Depletion and Enhancement MOSFETS.
VII. Rectifying circuits:
Half wave and full wave rectifiers – Bridge rectifiers – rectifier efficiency, Ripple and
regulation – Shunt capacitor filter – Zener regulation.
VIII. Transistor Amplifiers:
CE, CB, CC amplifier configurations – Analysis using h- parameters – Multistage
amplifier – RC coupled amplifier – frequency response curve and bandwidth.