15EC34T: Electronic Measurements and Instrumentation Electronics 3rd Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Electronic Measurements and Instrumentation 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 (15EC34T), 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 electronic measurements and instrumentation is as follows.

Pre-requisites:

Basics of electrical and electronics engineering.

Course Objectives:

1. Familiarisation of the basic terms, errors and standards in electronic measurements.
2. Discussion of the working principles, uses of different types of instruments in testing procedures.
3. To understand the working principles of commonly used sensors ,signal conditioners and display systems used in electronic instrumentation
4. Familiarisation of general principles of equipment maintenance and protection.

Course Outcomes:

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Unit 1: Basics of measurements 07 Hours

Necessity of measurements-direct and indirect methods, basic terminology, dynamic characteristics of an instrument, generalized electronic measurement system, Errors-gross, systematic and random errors, sources of errors. Statistical analysis-problems involving arithmetic mean, deviation, average deviation, standard deviation. Limiting errors and probable errors. Standards-primary, secondary, working and IEEE standards. Comparison of AC and DC bridges. Principle of Wheatstone bridge and mention its applications.

Unit 2: Transducers 08 Hours

Necessity of electrical transducers, selection of a transducer, active, passive, analog and digital transducers. Strain gauge-principle, gauge factor, features of bonded, unbonded, wire and foil type strain gauges, load cell. Principle of working & features of capacitive transducer, Hall effect type, LVDT, thermistor, thermocouple, piezoelectric, proximity sensors, digital optical encoders & PIR sensors.

Unit 3: Analog meters 11 Hours

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Unit 4: Testing instruments 10 Hours

Cathode Ray Oscilloscope-block diagram, working of CRT, concept of dual tracing.CRO probes: direct, high impedance, active and current probes. Applications of CRO-simple problems on voltage and frequency measurements. DSO: block diagram, advantages and applications. Sampling oscilloscope: advantages and applications. Function generator: block diagram, features and applications. Features of standard RF signal generator and sweep frequency generator. Features of distortion analyzer, wave analyzers, and spectrum analyzers.

Unit 5: Digital meters 10 Hours

Digital instruments – pros and cons, working of ramp and successive approximation type digital voltmeters. Automatization in digital meters-mechanism of automatic zeroing, polarity indication and auto ranging. Electronic counters-decade counters as an electronic counter, totalizing, frequency mode, ratio mode, period mode and time interval mode. Digital meters: digital frequency meter, time interval measurement, digital LCR meter, digital multimeter, microprocessor-based instruments, IEEE 488 GPIB instruments.

Unit 6: Instrument maintenance 06 Hours

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Reference Books:

1. Electronic Measurements and Instrumentation -2nd Revised Edition , R. K. Rajput, ISBN: 81219-2917-2
2. Electronic Measurements and Instrumentation-3rd Edition, Sanjay Talbar & Akhilesh Upadhayaya, ISBN :81-874-3335-3
3. Electronic Instrumentation -3rdEdition, Kalsi H. S., ISBN: 00-707-0206-3
4. Modern Electronic Instrumentation and Measurement Techniques-2nd Edition, Albert Helfrick & William Cooper, ISBN:81-203-0752-6

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) marks

1. Collect the standard specifications of at least ten instruments.

OR

2. Suggest cost-quality effective instruments of at least five different instruments by preparing comparative statements containing function, specification, make, market-price, and warranty.
1. Collect service manuals of at least five instruments.

OR

2. Prepare a document on calibration types and procedures of at least two instruments.

Execution Mode:

1. Above two activities or two similar activities can be assigned by the teacher per batch; each batch can have at most 2 students.
2. Activities shall be carried out batch-wise throughout the semester and submit the report before the end of the semester.
3. Report shall be qualitative and as concise as possible.
4. Each of the activity can be carried out off-class; however, demonstration/presentation if necessary, shall be done in the class room.
5. Teacher is expected to observe and record the progress of students’ activities
6. Assessment shall be made based on quality of activity, presentation/demonstration and report in accordance with the table

Model Question Paper:

for CIE

1. A circuit was tuned for resonance by eight different students and the values of resonance frequency in KHz were recorded as 532,548,543,535,546,531,543 and 536. Calculate the arithmetic mean, average deviation and variance.
2. Sketch the schematic of wheat-stone bridge. Identify its limitations
3. Illustrate how load cell can be used for measuring force

OR Explain the principle of piezoelectric transducers. List its applications

Quiz for CIE (5 marks.

The teacher is expected to conduct the quiz and collect the quiz sheets as evidence. Quiz may be conducted for higher marks and be scaled down to 5 and fractional part shall be rounded off to the next higher integer. The questions shall cover all CLs.

Model Question Paper:

Part A

1. Following are the set of readings taken by two meters for a true value of 5v.
1. Meter A: 4.81v, 4.81v, 4.79v,4.78V
2. Meter B:4.92V, 5.09V, 4.83V, 5.16V

Decide the meterwith better precision. Justify your answer after defining precision

2. Identify a transducer with excellent dynamic response and list its disadvantages and applications.
3. Compare the features of electromechanical instruments with electronic meters
4. Explain the working of a Ohmmeter whose scale has zero marking on right side.
5. Differentiate between alternate and chop methods of obtaining dual trace in a CRO
6. Justify the use of delay lines inside a CRO
7. List the advantages and disadvantages of digital meters
8. Sketch the block diagram of a digital LCR meter
9. State the significance of having functional block diagram in a service manual. Draw an example functional block diagram.

Part B

1. Define Error. Indicate the ways of reducing systematic and random errors.
2. Explain IEEE standards
1. Compare AC and DC bridges
2. List the benefits of using electrical transducer
1. A strain gauge has an unstrained length of 10cm and a resistance of 100KQ.When its length reduces to 9.9 cm, the resistance decreases to 98 KQ. Estimate its gauge factor.
2. Write a note on proximity sensors
4. In a particular application, it is necessary to accurately measure RMS value of sinusoidal, non sinusoidal and complex waveforms. Identify a suitable type of voltmeter and explain its operation.
1. A milli Ammeter of 2.5Q resistance reads upto 100mA. Estimate the resistance required to transform into a voltmeter of 0-10v. Sketch the relevant circuit.
2. List the features of electrodynamometer type instruments.
1. Describe the working of DSO
2. List the applications of sweep frequency generator.
7. Describe with a block diagram how function generator produces different types of wave forms. List its applications
8. Describe the working of a digital voltmeter which works on the principle of voltage to time conversion.
1. Illustrate how an electronic counter can be used in ratio mode
2. List the features of IEEE488 GPIB
1. List the precautions to be taken to achieve personnel safety during servicing
2. Outline the major benefits of grounding and shielding

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/developments in instrumentation and measurements.
2. Organize hands-on practice for use of DSO/ECG/Any other modern measuring instrument.
3. Motivate students to take case study on instrumentation/measurements-based mini projects (small applications) 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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