UNIT-1: CIRCUIT CONCEPT. capacitor. the market to purchase a resistor, apart from resistance what else will you quote so that the safety is ensured?

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1 UNIT-1: CIRCUIT CONCEPT * 1) Explain in brief about Lumped circuit elements called resistor and capacitor. ** 2) Write a short note on Ammeter and Voltmeter. ** 3) How does a voltmeter differ from an ammeter? ** 4) State kirchhoff's laws. ** 5) Explain Kirchhoff s Voltage law and Current law in Short. * 6) Define : Mutual Inductance ** 7) Write a short note on Cathode Ray Oscilloscope. ** 8) Write a short note on Oscilloscope. ** 9) Define resistor. Quote all the characteristics of any resistor. If you go to the market to purchase a resistor, apart from resistance what else will you quote so that the safety is ensured? ** 10) Define resistor. Quote all the characteristics of any resistor. If you go to the market to purchase a resistor, apart from resistance what else will you quote so that the safety is ensured? * 11) Classify the controlled source and draw schematics for each. * 12) Explain Coulomb s First and Second Law.

2 UNIT-2: CIRCUIT ANALYSIS TECHNIQUES *** 1) Explain WYE-DELTA transformation in brief with necessary equations and circuit diagrams. *** 2) Explain WYE-DELTA transformation in brief with necessary equations and circuit diagrams. *** 3) What is superposition theorem? Prove the same for a network. * 4) Draw neat block diagram summarizing the major features of a SPICE based circuit simulation program. * 5) Draw neat block diagram summarizing the major features of a MATLAB. * 6) State Norton's theorem. ** 7) State Thevenin s theorem. ** 8) Explain Thevenin s theorem with suitable Example. * 9) Give the Classification of Electric Network. *** 10) Determine the voltage across the 20 Ohm resistor in the following circuit of Figure.(a) with the application of superposition theorem.

3 *** 11) Find the voltage Vx using superposition theorem. All resistor values are in ohm. *** 12) For the circuit shown in following figure, use the superposition theorem to find io.

4 UNIT-3: ANALOG BUILDING BLOCKS & OPAMP BASIC IDEAS * 1) Write about Differential amplifier using Op-amp with necessary circuit diagram and equations. * 2) Describe band pass active filter using Operational amplifier with necessary diagrams and equations. *** 3) Example of Inverting & Non - Inverting Amplifier. *** 4) Explain inverting configuration of Op-Amp. *** 5) Draw an inverting amplifier and write the equation for its gain. *** 6) Draw circuit diagram of non-inverting operational amplifier & explain in brief. * 7) Briefly explain operational amplifiers. Enlist and explain practical properties of OP - AMP. ** 8) Describe low pass active filter using Operational amplifier with necessary diagrams and equations. ** 9) Show a low pass filter. Define the higher frequency cutoff. * 10) Explain in brief following properties of operational amplifier. (a) Input Resistance (b) Open Loop Voltage gain (c) CMRR (d) Input Offset Voltage * 11) Write about ideal operational amplifier with necessary circuit diagram and equations. * 12) Why differential amplifier is necessary? * 13) Explain ideal characteristics of ideal Op-Amp in detail. * 14) Explain the working of a bandpass filter. Find out its bandwidth. * 15) Design an opamp based circuit that does the following V o = V 1-2 * V 2.

5 UNIT-4: DIGITAL BUILDING BLOCKS * 1) For the switching function F = A(A +B), draw a corresponding set of logic blocks and write the truth table. *** 2) Reduce the given function using K-map. F(A,B,C,D) = Σmi (1,3,5,7,8,9,13,14). *** 3) Reduce the given function using K-map, F= Ʃm(1,3,5,9,11,13) *** 4) Obtain a minimum Boolean expression for F(A,B,C,D) = Ʃ mi ((1, 3, 4, 5, 6, 7, 10, 12) *** 5) Reduce the given Boolean expression using K-map F(A,B,C) = Σm(0,2,3,5) *** 6) Write Short note on SR flip flop with circuit diagram and truth table. (Do all types of Flip Flops) *** 7) Explain SR flip flop in brief. (Do all types of Flip Flops) *** 8) Write Short note on D flip flop with circuit diagram and truth table. (Do all types of Flip Flop) *** 9) Write short note on JK flip flop with logic diagram and truth table. (Do all types of Flip Flop) *** 10) Draw an SR Flip Flop. Plot its truth table and symbol. ** 11) Draw only ISO-7 layer model block diagram of an OSI for computer Networks. ** 12) Draw the ISO-7 layer block diagram for computer network. * 13) Draw symbol and truth table of OR, NOT, AND and NAND gates * 14) Draw the logic symbol and truth table of following gates.1. AND 2. OR 3. EX-OR 4. NOR

6 * 15) What is difference between in Microprocessor and Microcontroller? * 16) Draw and explain microprocessor system architecture. ** 17) Classify the types of Computer network? Explain each one of them in brief. ** 18) Discuss the types of computer networks. * 19) For the logic expression Z = A'B + AB' (i) Obtain the truth table. (ii) Name the operation performed (iii) Realize this operation using AND, OR, NOT gates (iv) Realize Same operation using only NAND gates * 20) Classify display devices. ** 21) Classify network topologies and draw each one of them. ** 22) Write short note on Star topology. * 23) Assign a binary code to all the 52 playing cards. Use minimum number of bits. * 24) State and Prove De Morgan'ss laws. * 25) Draw the block diagram of a multiplexer circuit and label the pins.

7 UNIT-5: SIGNAL PROCESSING ** 1) Draw only functional block diagram of signal processing system. Explain each blocks. ** 2) Draw functional block diagram of signal processing system. Explain each block in brief. * 3) Explain in brief Product Modulation and Demodulation with necessary diagrams. * 4) State and explain Sampling theorem. * 5) Define The following Terms. (a) Interference (b) Noise Margin ** 6) What do you understand about multiplexing? Explain any one of the Multiplexing technique. ** 7) What is multiplexing? Compare FDM and TDM * 8) Give the classification of signals.

8 UNIT-6: COMMUNICATION SYSTEMS ** 1) Explain in detail Pulse modulation with necessary diagrams. ** 2) Draw block diagram of Pulse code Modulation. *** 3) Write short not on Cellular communication system. *** 4) Explain in brief cellular concept in mobile radio system. *** 5) What do you understand about frequency reuse concept & Why it is used in cellular system? *** 6) Explain frequency reuse in cellular communication. * 7) Classify the standard based on 2G & 3G. *** 8) Define Waveguide (Types of waveguide), Transmission lines and Antenna (Yagi - Uda antenna). *** 9) Define Antenna, Waveguide, Transmission Lines and Flux network. *** 10) What is waveguide? Enlist different types of waveguides. *** 11) Write short note on Waveguides. * 12) Draw neat sketch of Yagi - Uda array antenna and Explain function of director and reflector elements. * 13) What do you understand about isotropic radiator? * 14) Define the following terms: (a) Reflection (b) Directivity (c) Isotropic Radiator *** 15) Draw block diagram of digital communication system. *** 16) Draw & Explain the functional description of digital communication system in brief.

9 *** 17) Draw and explain basic elements of digital communication system. * 18) Write short note on AM demodulation. * 19) Compare DSB-FC, DSB-SC, SSB, VSB. * 20) State the need of modulation and what are the other advantages of modulation in communication system? *** 21) What is transmission medium? What are the different types of transmission medium? * 22) Draw and explain the block diagram of super heterodyne AM radio receiver. * 23) How does a PWM signal differ from a PWM, PPM signal? * 24) Draw the block diagram of a communication system. Explain each block.

10 UNIT-7: CONTROL SYSTEMS * 1) Explain any four rules of Block diagram reduction for control system with necessary block diagrams. * 2) Explain any seven rules for block diagram reduction of control system with necessary diagram. * 3) Draw and explain the typical unit step response (Transient Response) of the control system. * 4) Give brief classification of feedback control systems. * 5) Classify the Control systems. ** 6) Compare Open loop and Close loop System. ** 7) Compare Open loop and Close loop System. * 8) Explain digital control system with necessary block diagrams. * 9) Explain transient response and steady state response of system with diagram. * 10) Define control system. Classify them and state their advantages.

DARSHAN INSTITUTE OF ENGINEERING & TECHNOLOGY

DARSHAN INSTITUTE OF ENGINEERING & TECHNOLOGY BASIC ELECTRONICS (2006) Assignment:-: Circuit Concept. Explain in brief about Lumped circuit elements called resistor and capacitor. 2. How does a voltmeter differ from an ammeter? 3. State kirchhoff's