JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

EC306ES: ELECTRONIC DEVICES AND CIRCUITS LAB

B.Tech II Year I Semester (R16)

Course Objectives:

  • To identify various components and testing of active devices.
  • To study and operation of millimeters, function generators ,regulated power supplies and CRO To know the characteristics of various active devices.
  • To study frequency response amplifier.

Course Outcomes:

  • After Completion of the course the student is able to Apply various devices to real time problems.
  • Compute frequency response of various amplifiers. Part A: (Only for viva-voce Examination) ELECTRONIC WORKSHOP PRACTICE (in 3 lab sessions):
  • 1. Identification, Specification, testing of R,L,C components (color codes), Potentiometers (SPDT, DPDT, and DIP), Coils, Gang Condensers, Relays, Bread Board, PCB’s
  • 2. Identification, Specification, testing of Active devices: Diodes, BJT, Low power JFET’s, MOSFET’s, Power Transistors, LED’s, LCD’s, SCR, UJT.
  • 3. Study and operation of:
  • i. Multimeters (Analog and Digital)
  • ii. Function Generator
  • iii. Regulated Power Supplies
  • iv. CRO Part B: (For Laboratory Examination – Minimum of 12 experiments)
  • 1. Forward and Reverse Bias V-I characteristics of PN junction Diode.
  • 2. Zener diode V-I characteristics and Zener diode as voltage regulator.
  • 3. Half Wave rectifier, with and without filters
  • 4. Full wave rectifier with and without filters.
  • 5. Input and output Characteristics of a BJT in CE configuration and calculation of h- parameters.
  • 6. Input and output Characteristics of a BJT in CB configuration and calculation of h- parameters.
  • 7. FET characteristics in CS configuration.
  • 8. Design of self bias circuit
  • 9. Frequency response of CE Amplifier.
  • 10. Frequency response of CC Amplifier.
  • 11. Frequency response of CS FET Amplifier.
  • 12. SCR characteristics.
  • 13. UJT characteristics. PART C: Equipment required for Laboratory:
  • 1. Regulated Power supplies (RPS) : 0-30 V
  • 2. CRO’s : 0-20 MHz.
  • 3. Function Generators : 0-1 MHz.
  • 4. Multimeters
  • 5. Decade Resistance Boxes/Rheostats
  • 6. Decade Capacitance Boxes
  • 7. Ammeters (Analog or Digital) : 0-20 µA, 0-50µA, 0-100µA, 0-200µA,10 mA.
  • 8. Voltmeters (Analog or Digital) : 0-50V, 0-100V, 0-250V
  • 9. Electronic Components: Resistors, Capacitors, BJTs, LCDs, SCRs, UJTs, FETs, LEDs, MOSFETs, Diodes-Ge & Si type, Transistors – NPN, PNP type

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