ELECTRONIC DEVICES AND CIRCUITS

 

EC 241                                                                       No. Of hrs/wk = 04+03

                                                                            No. Of credits: 05

 

Semiconductor materials and diodes (ref no.2)

Semiconductor materials and properties, the pn junction.

Diode circuits: DC analysis and models.

Other diode types: Schottky Barrier diode, Varactor diode, Zener diode and its applications as a voltage regulator, LED, Photodiode

Diode applications: Rectifier circuits, Clipper and Clamper circuits, Multiple diode Circuits, Photodiode and LED circuits                                                                                          10 Hrs

Bipolar junction Transistors (ref no.1)

Transistor Characteristics

 Open circuited transistor, Transistor biased in the active region, Transistor current     Components, Transistor as an amplifier, Common emitter, Common collector, Common Base Characteristics, Early effect                                                                          04 Hrs

Transistor biasing

 Fixed bias and self bias circuits, stability factors                                          04 Hrs

Transistor at low frequencies

 h-parameters, Conversion formulas for the h-parameters of CE,CB,CC Configurations, Analysis of a transistor amplifier using h-parameters, Emitter  Follower, Comparison of CE,CC,CB amplifiers, Analysis of CE,CB,CC configuration   Using simplified hybrid model, High input resistance transistor circuits                                            08 Hrs

Transistor at high frequencies

Hybrid -p CE transistor model, CE short circuit current gain, CE amplifier with load                                                                                                                                                                                                                                                                  04 Hrs

Multi stage amplifiers (ref no.1&2)

Distortion in amplifiers, Frequency response of an amplifier, Bandwidth of cascaded  Amplifiers, Low frequency response of an RC coupled stage, Effect of coupling and  Bypass capacitors on frequency response                                                     02 Hrs

                                                    

Field effect transistor (ref no.2)

Mos field effect transistor: 2-terminal MOS structure-channel Enhancement MOSFET, Ideal MOSFET current –voltage characteristics, Circuit symbols and Conventions, Additional MOSFET structures and circuit symbols, Nonideal Current-Voltage Characteristics.                                                                                                     04 Hrs

MOSFET DC Circuit Analysis: Common source circuit, Loadline and modes of     Operation, Common MOSFET configurations and DC analysis, Constant current    source Biasing                                                                                                   04 Hrs

Basic MOSFET applications: NMOS Inverter, Digital logic gate, MOSFET small  signal Amplifier                                                                                                   02Hrs Junction field effect transistor: pn JFET and MESFET operation, Current-Voltage     Characteristics, Common JFET configurations: DC analysis                                                                                                                                                                       02 Hrs

The MOSFET amplifier: Graphical analysis and load lines, Small-signal equivalent     Circuit, The common source amplifier, source follower amplifier, common gate amplifier Configuration, Basic JFET amplifier                                                                    04 Hrs

 

REFERENCES

 

1.J.Milliman and C.C. Halkias ,Integrated Electronics, TMH edition

2.Donald A Neamen ,Electronic circuit analysis and design,McGraw Hill Edition

3.R.L.Boylestead and L.Nashelsky,Electronic devices and circuit theory,PHI edition

4.A.S.Sedra and K.C.Smith,Microelectronics,5th edition,Oxford university press

 

ELECTRONIC DEVICES AND CIRCUITS LABORATORY

 

Semiconductor diode characteristics

Zener Diode characteristics

Clipping and Clamping circuits using Diodes

Rectifier and filter Circuits

Transistor characteristics

RC coupled amplifier

Series voltage regulator using discrete components

 

The students will design, build and test the above circuits on bred board.  Software simulation of above circuits will be done using Pspice