DE06   BASIC ELECTRONICS

 

1.         Electronic Components                                                                                  6 hours

 

1.1    Passive Components

  1.1.1     Resistors-types, ratings, colour code, tolerance, fixed valued, variable thermistor, negative and positive temperature co-efficient, basic construction of various types of resistors.

1.1.2     Capacitors-types, (air, paper, ceramic, polystyrene, mica, electrolytic) fixed valued and variable, ratings, basic construction.

1.1.3          Inductors- types, inductors for high frequency applications.

 

1.2  Active Components

 

    1.2.1 Types of active components (electron tubes, gas tubes, semiconductor devices).

    1.2.2   Voltage & Current Sources.

    1.2.3  Ideal and practical voltage source and current source, equivalent  circuits and characteristics, conversion of a voltage source into current source and vice versa. Thevenin’s theorem and Norton’s theorem.

 

I [1];  II [1]

 

  1. Semiconductor Theory and P-N Junction                                                      22 hours     

 

2.1  Physics of              Insulators, intrinsic and extrinsic

 Semiconductors :    semiconductors, energy bar diagrams, doping,

                              conduction in semiconductors, effects of                         

            temperature.

2.2  P-N Junction:          p-n junction, unbiased, forward  and  reverse biased p-n  junctions, V-I  characteristics of a p-n junction diode, ideal, static and dynamic  resistance of a diode.

2.3  Special Purpose     Special purpose diodes-Zener diodes, Tunnel         

      Diodes:                   diodes, Varactors diodes, Schottky diodes, Light-       

emitting diodes (LED), Liquid crystal diodes (LCD),

and diodes  for higher frequency applications.

 

2.4  Rectifiers and Regulated Power Supplies                             

           

2.4.1          Halfwave Rectifiers.    

2.4.2          Peak Inverse Voltage.                                      

2.4.3          Fullwave Bridge Rectifier, PIV.

2.4.4          Fullwave Rectifier with Center-Tapped Transformer, PIV.         

2.4.5          Voltage Doubler.                                                          

2.4.6          Voltage Tripler and Quadrupler.                        

2.4.7          General Filter Considerations.                            

2.4.8          Voltage Regulation.                                          

2.4.9          Ripple Factor.                                                  

2.4.10      Capacitor Filter.                                                           

2.4.11      Capacitor Input Filter.                                       

2.4.12      Zener Voltage Regulator.                                              

2.4.13      DC Series Voltage Regulator.                                       

2.4.14      IC Voltage Regulator.                                                   

2.4.15      Adjustable Voltage Regulators.                         

 

            I [4, 5, 6, 19]; II [1, 2], II [2(2.7, 2.8, 2.11, 2.12), 18 (18.1-18.6)]

 

  1. Transistors                                                                                                    20 hours

 

3.1     Bipolar Junction:   Transistor action and its characteristics. Common Base,     

         Transistor (BJT)  Common Emitter, and Common Collector (CB, CE &CC) configurations.  Comparison of CB, CE and CC configurations with respect to input &  output dynamic resistance, current gain and voltage gain.  Biasing of  transistors.

3.2     Field Effect          Field effect in transistors. JFETs and MOSFETs

         Transistor (FET):  Construction, operation and characteristics of FET and

      their comparison with electron tubes.  FET as a switch, Typical applications of FET

    3.3     Special Purpose   Operation of Unijunction Transistors (UJT). 

                     Devices:              Silicon Controlled Rectifier (SCR).  Construction and

              characteristics of SCRs.   Applications  of SCRs. Diac and Triac.

 

I [8, 9, 17]; II [3, 5, 20]

 

4.        Electron Tubes (Vacuum and Gas-Filled Tubes)                                            3 hours

 

4.1       Electron emission, thermionic and  secondary emission, photoelectric emission.

4.2      Electron Ballistics

 

I [2, 3]; III [1]

 

5.        Operational Amplifiers                                                                                   6 hours

 

5.1               Op Amp characteristics, inverting and non-inverting modes.

5.2               Differential amplifiers, common mode rejection ratio (CMRR). 

5.3               Applications of op-amp (adder, scale changer, phase shifter, voltage-follower, integrator, differentiator, voltage-to-current and current-to-voltage converters).

5.4        Concept of offset currents and slew rate.

 

 I [25, 26]; II [13, 14]

 

6.        Integrated Circuits (ICs)                                                                               3 hours

 

6.1                  Fabrication – IC technology and processes involved in fabrication of IC Chips.

6.2                  IC-resistors and IC – capacitors.  IC packaging methods.

6.3                

            I [24]; II [Appendix A]   

 

 

Text  books

 

I.          J.B. GUPTA, “Electronic Devices and Circuits”, S.K. Kataria & Sons 2nd edn. 2003.

II.        R.L. Boylestad and L. Nashelsky, “Electronic Devices and Circuit Theory,”

            Pearso Education Asia, New Delhi, 8th edn. 2002.

 

Reference books

 

1.         G.K. Mithal, “Basic Electronics”, G.K. Publishers Pvt. Ltd., NOIDA, UP, 4th edn. 2002.

 

2.         R. Mittal and G.K. Mittal, “Text Book of Electronic Devices ,”    G.K. Publishers (P Ltd. Noida U.P., 2nd edn. 2002.