ELECTRONICS DEVICE LAB

This manual is your guide to the second electronics laboratory in the electrical engineering program. It is assumed that by completing the first electronics laboratory course you are familiar with basic electronic measurements and instrumentation, as well as with elements of data analysis, presentation of results, and reporting. These elements will be still emphasized and further developed in this laboratory. Professional engineering practice requires using proper experimental methods and procedures. They include not only good measurement techniques, but also proper recording of all relevant information, preparing tables and graphs, etc. Almost as important as obtaining good data is their proper presentation which often determines success in this laboratory course as it does in engineering practice. Upon completion of the second laboratory course you should be very familiar with effective laboratory practices and professional style data presentation. They will be a great asset in your future.

Name of Important Equipments

1. C.R.O/DSO - 9 Nos
2. General purpose Bread board Trainer Kit - 9 Nos
3. Function Generator - 9 Nos
4. PC - 1 Nos
5. LDR Trainer Kit - 5 Nos
6. Digital Mustimeters - 10 Nos

List of Experiments

Circuit Theory and Network LAB Experiments (EC-391)

1. To Study the Volt Ampere Characteristics of Diode.
2. Conduct Experiment to Test Diode Clipping (Single/Double Ended) and Clamping Circuits (Positive/Negative).
3. Conduct an Experiment on Series Voltage Regulator using Zener Diode and Three Terminal Voltage Regulators - 7805, 7809, 7912 to Determine Line and Load Regulation Characteristics.
4. Study the Characteristics of Photodiode and LED.
5. To Study the Input and Output Characteristics of BJT
6. To Study the Output and Transfer Characteristics of FET.
7. Design and set up the Tuned Oscillator Circuits using BJT, and determine the Frequency of Oscillation. (R-C Phase Shift Oscillator/Wien Bridge Oscillator)
8. Design and Study the Operation of Monostable/Bistable/Astable Multivibrator Circuit using 555 Timer.
9. Design and Study the Operation of Schmitt Trigger Circuits - using IC 741 and IC 555.
10. Design and Study the Operation of Active Filters.

Safety Measures

• In case of fire, use the nearest available fire extinguisher.
• Work on electrical devices should be done only after the power has been shut off in such a manner that it cannot be turned on accidentally.
• If the power cannot be turned off, use only one hand when working on it. This will prevent a circuit from going through your heart, which could be potentially fatal.
• Internal energy storage devices such as capacitors must be discharged.
• Use only tools and equipment with non-conducting handles when working with electrical devices.
• Never change wiring with the circuit plugged into the power source.
• Never plug leads into the power source unless they are connected to an established circuit.
• Avoid contacting circuits with wet hands or wet materials.
• Check circuits for proper grounding with respect to the power source.
• Do not use highly flammable liquids near electrical equipment.
• Do not bring any edibles to the lab.