AC-03/AT-03     BASIC ELECTRONICS AND DIGITAL CIRCUITS

 

1.   Conduction in Semiconductors and Semiconductor Devices                                                                  5 hours

 

1.1           Intrinsic semiconductor, Donor and Acceptor impurities.

1.2           Fermi level, Hall effect, Avalanche and Zener effects.

1.3           P N Junction.  Semiconductor diode and its characteristics.

1.4           Zener Diode, its characteristics and use in Voltage regulators.

1.5           Clipping and Clamping.

1.6           Transistor action (NPN and PNP). Characteristics of a Transistor. CB, CE and CC configurations and their characteristics.

1.7           Biasing of BJT.

 

I [1, 2, 3]; II [ 4, 5, 6, 8]

 

2.        Small Signal BJT Amplifiers                                                                                                                     6 hours

 

2.1     Basic signal amplifier and its parameters (Av, Ai, Rin, Rout).

2.2     Hybird – model and pi-models of a BJT.

2.3     R-C coupled amplifiers and Cascaded amplifiers.

2.4     Darlington pair, Cascode and Difference Amplifiers.

 

I [10]; II [12,13]

 

3.        Field-Effect Transistors (FET)                                                                                                                    3 hours

 

3.1     J-FET and  MOS-FET and their models

3.2     Small signal amplifiers using FETs.

 

I [4,10]; II [9]

 

4.        Oscillators                                                                                                                                                     3 hours

 

4.1     Barkhausen criteria for oscillation.

4.2     R- C phase-shift and Wien-bridge oscillators.

4.3     General network and evolution of different oscillators viz Hartley, Colpitts, and Clapp oscillators.

4.4     Crystal oscillators, frequency stability.

 

I [15]; II [20]

 

5.        Operational Amplifiers and Circuits                                                                                                        4 hours

 

5.1     OPAMP block diagram and its equivalent circuit.

5.2     Applications of OPAMP as a Summer, Differentiator, Integrator, Comparator, Sample and Hold circuit.

5.3     Offset currents, compensation, slew rate.

 

I [14]; II [25]

 

6.        Rectifiers And Power Supplies                                                                                                                   4 hours

 

6.1     Half-wave and full-wave rectifiers.

6.2     Capacitor-input Filters.

6.3     Calculation of efficiency, dissipation and ripple factor in rectifiers.

6.4     Regulated power supplies.

 

I [17]; II [7, 30]

 

7.        Combinational Circuits                                                                                                                              8 hours

 

7.1     Basic gates, Boolean Algebra

7.2     De Morgan’s theorem and Duality theorem

7.3     Karnaugh’s map (for 2,3,4 variables)

7.4     Combinational circuits, standard representation for logical function (SOP and POS forms)

7.5     Binary Adders.

7.6     Arithmetic Operations: binary subtraction.

7.7     Digital comparators.

7.8     Parity Check Generators.

7.9     Decoder/Demultiplexer.

7.10  Data Selector, Multiplexer.

7.11  Encoder.

7.12  ROM and its Applications.

 

I [6, 7]; II [32]

 

8.        Transistor as a Switch                                                                                                                                 3 hours

 

8.1     Switching Characteristics of Diodes.

8.2     Switching Characteristics of BJTs.

8.3     Switching Characteristics of FETs.

8.4     Use of Schottky Diodes in Switching.

 

I [2, 3, 4, 5]

 

9.        MOS Digital Circuits                                                                                                                                  4 hours

 

9.1     Basic Concepts of Logic Circuits.

9.2     NMOS Logic Circuits.

9.3     CMOS Logic Circuits.

9.4     Transmission Gates.

                

                I [6]               

 

 

10.     Bipolar Logic Circuits.                                                                                                                                6 hours

 

10.1  The BJT Inverter.

10.2  TTL Family.

10.3  TTL Families with Improved Performance.

10.4  Other TTL Logic Circuits.

10.5  ECL Family.

10.6  Interfacing Between TTL and ECL Family.

                

                I [6], III[7]               

 

 

11.     Sequential Digital  Systems                                                                                                                       8 hours

 

11.1  Various Types of Flip Flops.

11.2  Clocked SR flipflop.

11.3  JK, T and D flipflops.

11.4  Shift Registers and Sequence Generators.

11.5  Counters.

11.6  Applications of Counters.

                

                I [8]               

 

 

12.     LSI Systems                                                                                                                                                  6 hours

 

12.1  Dynamic MOS.

12.2  Programmable ROM.

12.3  Erasable PROM and EEPROM.

12.4  RAM.

12.5  Memory Cells.

12.6  Biploar Memory Cells.

12.7  Programmable Array Logic.

12.8  PLA and Programming a PLA.

12.9  CCD.

12.10     Seven-segment Display System.

                 

                I [7, 9]                

 

 

Text Books

 

I.                  J. Millman and A Grabel, “Microelectronics”, Tata Mc Graw Hill, New Delhi,  2nd  Edn. 1999.

 II            J.B. Gupta, “Electronic Devices and Circuits”, S.K. Kataria & Sons, 2nd Edn. 2003.

III            H.Taub and D.Schilling, “Digital Integrated Electornics”, McGraw-Hill 1997.