15EC31T: Analog Electronic Circuits Electronics 3rd Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Analog Electronic Circuits detail DTE Kar Diploma syllabus for Electronics And Communication Engineering (EC), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15EC31T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other electronics 3rd sem syllabus for diploma c15 scheme dte karnataka you can visit Electronics 3rd Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for analog electronic circuits is as follows.

Pre-requisites:

Basic principles of electrical and electronics engineering and knowledge of semiconductor theory and devices

Course Objectives:

1. Understand the concept and applications of regulated power supplies, SMPS and UPS.
2. Understand the concept of amplification, operating point on DC load line and amplifier applications.
3. Study the working principles of different Op-amp circuits.
4. Construct and verify working of basic wave-shaping circuits such as clipping and clamping circuits.
5. Know the different circuits of sinusoidal oscillators and their applications.

Course Outcomes:

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Unit 1: Power supplies 12 Hours

DC regulated power supply: Need and block diagram. Rectifiers: Ripple Factor, Ripple Frequency, Efficiency, Peak Inverse Voltage. Circuits, operations and waveforms of halfwave and full-wave (centre-tap transformer and bridge) rectifiers. Expressions for ripple factor and efficiency, simple problems. Filters: Need for filters in power supplies, working of C and PI filter with waveforms. Regulators: Need for voltage regulators in power supplies, working of voltage regulator using Zener diode, line and load regulation. IC voltage regulators: Features of 78xx, 79xx, LM 317 ICs. Basic switching regulator: Definition, working, step-down and step-up configuration, block diagram of SMPS. UPS: Block diagram and working principle of on-line and off-line UPS.

Unit 2: BJT biasing and amplifiers 12 Hours

Biasing: principle of transistor as switch and amplifier, need for biasing, operating point, DC load line, stability factor, voltage divider bias for BJT. Amplifier features: direct, RC coupled and Transformer coupled; AF and RF amplifiers; and voltage and power amplifiers. Feedback in amplifiers: Types of feedback and their features. Small-signal Amplifier: Working of common emitter RC coupled amplifier and its frequency response. Large-signal
amplifier: Concept of AC load line, classification and principle of power amplifiers, working of Class A-Series-fed amplifier and transformer-coupled amplifier, Class B- Pushpull amplifier and complementary-symmetry push-pull amplifier, expression for output power and maximum power efficiency of class-A and class-B power amplifiers. Working of Class AB and Class C amplifiers. Comparison of power amplifiers. Multistage amplifiers: Concept and expression for voltage gain.

Unit 3: OP-amp and applications 10 Hours

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Unit 4: Active filters and instrumentation amplifier 07 Hours

Active filter: Classification, circuits, working, expressions for cut-off frequencies and frequency response of 1st order Butterworth LPF, HPF, BPF and BEF (No Derivation). Problems to design and analyse 1st order Butterworth filters. Realization of BPF and BEF using LPF and HPF. Mention of applications of active filters. Instrumentation amplifier: Need for instrumentation amplifier, working of instrumentation amplifier circuit. Phase Locked Loop (PLL): voltage to frequency converter, PLL operation with mention of its applications.

Unit 5: Wave-shaping circuits 06 Hours

RC Circuits: Differentiator and Integrator circuits and their response to sine and squarewave signals. Clippers: positive and negative series clippers, positive and negative shunt clippers, combinational clippers and simple problems. Clampers: positive and negative clampers. Mention on the applications of clippers and clampers.

Unit 6: Sinusoidal oscillators 05 Hours

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Reference Books:

1. Electronic Devices and Circuits, S. Salivahanan , N. Sereshkumar , McGraw Hill Education (India) Private Limited, ISBN -9781259051357
2. Op-amps and linear integrated circuits, Ramakanth A. Gayakwad, ISBN-9780132808682
3. Principles of Electronics, Rohit Mehta and V K Mehta, S. Chand and Company Publishing, ISBN- 9788121924504
4. Electronic Devices and Circuits, David A. Bell, Oxford University Press, ISBN-9780195693409
5. Fundamentals of Electrical and Electronics Engineering, B. L. Theraja, S. Chand and Company Publishing. REPRINT 2013, ISBN-8121926602.
6. e-References/URLS:
1. http://www.allaboutcircuits.com/
2. http://www.allaboutcircuits.com/videos

Course Delivery:

The course will be delivered through lectures, presentations and support of modern tools. Student activities are off-class.

Student Activity (5 marks)

The following student activities or similar activities can be assigned for assessing CIE/IA

1. Design and construct simple application such as door bell/calling bell, blinking LED, burglar’s alarm etc. Prepare a report on its design, function, specifications and cost estimation.
2. Collect the technical specifications and price of at least 10 electronic components such as diode, transistor etc. and at least 5 electronics equipments such as RPS, UPS, CRO etc.

Execution Note:

1. Each batch (Maximum of 2 students) should perform the above activities independently. Students can also choose any other two similar activities/related/ innovative activities with prior approval from the concerned teacher.
2. Teacher is expected to observe, follow-up, and record the progress of students’ activities

Model Question Paper:

1. Define
1. Rectification,
2. Ripple Factor,
3. Ripple frequency,
4. Efficiency, and
5. Peak Inverse Voltage as applicable to rectifier
2. Explain the operation of full-wave bridge rectifier circuit with waveforms.

OR Define line and load regulation and illustrate the difference with examples.

3. Define operating point and explain the DC load line as applicable to BJT amplifier
4. Write CE mode RC coupled amplifier circuit and sketch a typical frequency response curve with labels.

OR Illustrate using circuit how crossover distortion can be overcome in complementary-symmetry power amplifier

Model Question Paper:

Part A

1. Explain the working of Half-wave rectifier with a relevant circuit and waveforms.
2. Identify the rated output voltages of the following regulator ICs.
1. IC-7805
2. IC-7918
3. IC-7912
4. IC-7815
5. IC-LM317
3. Define biasing and operating point. Match the transistor applications (amplifier, switch-open, switch-close) with different regions on output characteristics of transistor.
4. Explain the working of series-fed class-A amplifier
5. List the ideal and practical characteristics of Op-amp
6. Construct a non-inverting amplifier circuit using Op-amp for a gain of 10
7. Show how to realize BPF using LPF and HPF
8. Construct a shunt clipper circuit to generate a signal having maximum positive amplitude of 2V and negative amplitude of -10V for a sinusoidal input of +10 to -10V.
9. Explain the role of tank circuit in Hartley oscillator; write expression for its frequency of oscillations.

Part B

1. Show mathematically that the efficiency of bridge rectifier is 81.2% and ripple factor is 0.48
1. Define filter. Explain the working of C filter in regulated power supply
2. State the function of UPS. Compare ONLINE and OFFLINE operation of UPS
1. In multistage amplifier, illustrate that the overall gain is equal to the product of gains of individual stages
2. Explain the concept of negative feedback and list its disadvantages?
1. Compare the relevance of ac load-line and dc load-line as applicable to amplifiers
2. Explain the classification of power amplifiers
1. Define any five Op-amp parameters.
2. Construct Schmitt trigger circuit to convert sine wave to square wave
1. In the circuit shown below, if V1= -1V, V2=V3=2V, Supply voltage is 15V, VRi=R2=4KQ, R3=2KQ, and feedback resistance Rf =6KQ, calculate closed-loop gain and output voltage (6)
2. Discuss the effect of slew rate on bandwidth in Op-amp applications (4)
7. Construct a first-order Butterworth LPF and HPF circuit for a gain of 10, cut-off frequency of 160Hz and an input impedance of 10KQ. Assume relevant data if necessary.
8. Explain the need and working of an instrumentation amplifier
9. Define clamper and clipper. Write the output wave form for the clipper circuit shown below
1. Draw Wein-bridge oscillator circuit for the output frequency of 200Hz.
2. Compare RC phase-shift oscillator with Collpits oscillator.

Institutional activities (No marks)

The following are suggested institutional activities, to be carried out at least one during the semester. The course teacher/coordinator is expected to maintain the relevant record (Containing, Activity name, Resource persons and their details, duration, venue, student feedback, etc) pertaining to Institutional activities.

1. Organize seminar, workshop or lecture from experts on the modern trends in analog electronics
2. Organize hands-on practice on design and simulation of analog circuits
3. Motivate students to take case study on different analog electronics-based mini projects (small applications such as applications specified in student activity) to inculcate self and continuous learning

For detail syllabus of all other subjects of BE Electronics, C15 scheme do visit Electronics 3rd Sem syllabus for C15 scheme.

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