Teaching Aids (For General and Electronic lab)
1. Study of Hybrid Parameters of Transistor
The following studies can be carried out
(a) Input impedance parameter (b) Output admittance parameter
(c) Forward current transfer ratio (d) Reverse voltage feedback ratio
Accessories required:
(i) A.C. Millivoltmeter (refer item No. 5) (ii) Multimeter
2. Study of Solid State Power Supply
The following studies can be carried out:
(a) Study of rectification (full wave and half wave)
(b) Study of ripples (with capacitor, choke, L, inverse L and pie section filters
(c) Regulation characteristics (effect of load & mains variations)
Accessories required:
(i) CRO (ii) Multimeter
3. Study of Basic Operational Amplifier, Type-741
The following studies can be carried out:
(a) Working of the basic circuit
(b) Measurement of bias and offset currents
(c) Working as inverting and non-Inverting amplifier
(d) Study of amplifier drift
Complete in all respect, including two IC regulated power supplies, multirange electronic voltmeter, set of resistances, patch
chords.
4. Study the Application of Operational Amplifier Type-741
The following studied can be carried out:
(a) As adder and subs tractor
(b) As integrator and differentiator
(c) Inverting and non-inverting A.C. amplifier
Complete in all respect, including two IC regulated power supplies, two built-in variable D.C. source, fixed frequency square and
triangular wave generator, set of resistances & capacitors, patch chords.
5. Study of an Integrated Circuit Timer-555
The following studies can be carried out:
(a) Operation as a free running multivibrator
(b) Operation as monostable multivibrator
(c) Operation as a preset time delay
Complete in all respect, including power supply, trigger source and patch chords, except CRO.
6. Study of Integrated Circuit Regulator, Type-723
The following studies can be carried out:
(a) Study as voltage regulator (b) Study as current regulator
Complete in all respect, including unregulated power supply, digital voltmeter and milliammeter, set of resistances & capacitors
and patch chords.
7. Study of Single Stage Transistorized R-C coupled Amplifier cum Feed Back amplifier
The following studies can be carried out:
(a) To observe the gain at 1 KHz with and without feedback
(b) To measure the voltage and power gain
(c) To measure the input and out impedance
(d) To observe the phase relation between the input and output signals
Accessories required:
(i) A.C. Millivoltmeter
8. Study of a R.C. Coupled Two-Stage Transistor Amplifier Cum Feed Back Amplifier
The following studies can be carried out:
(a) Frequency response of RC coupled amplifiers
(b) Effect of negative and positive feed back on frequency response
(c) Verification of the conditions of oscillator
Accessories Required:
(i) A.C. Millivoltmeter (ii) A.F. Oscillator
9. To Study the Emitter Follower Amplifier
The following studies can be carried out:
(a) Input and output impedance
(b) Voltage and power gain
(c) Observe phase relation between input and output waveform
Accessories required:
(i) A.C. Millivoltmeter (refer item No.5 )
(ii) CRO to observe phase relation
10. Study of Multivibrators with Built-In Power Supply
The following experiments can be carried out:
(a) Free running Multivibrator
(b) Univibrator
(c) Bistable multivibrator
Complete in all respect, except CRO.
11. To Study the Characteristics of Junction Field Effect Transistor (JFET) Type BFW-10
The following studies can be carried out:
(a) Drain and transfer characteristics
Complete in all respect, including two regulated power supplies, digital voltmeter and milliammeter and patch chords.
12. Study of Semiconductor Diodes
The following studies can be carried out:
(a) Forward and reverse characteristics of GE, Si, zener diodes, LED’s
Complete in all respect,with one IC regulated power supply (0-12 V), digital voltmeter and milliammeter and patch chords.
13. Study of Transistor Characteristics (NPN OR PNP)
The following studies can be carried out:
(a) Input, output transfer characteristics in CB & CE configurations.
Complete in all respectwith two power supplies, four meters and patch chords.
14. To Study the Characteristics of SCR
Complete in all respect, with built-in two variable power supply, one digital voltmeter, two milliammeter and patch chords
15. To study the Binary Counters of Count-by 2, 4, 16 and Verify Their Truth Table
Complete in all respect, with +5 volts regulated power supply, logic level indicator, clock pulse and patch chords.
16. To Study the Decade Counters Type 7490 as Divide By N (e.g. Divide by 5, 6, 7, 8, 10) Counts and Verify Their Truth
Tables
Complete in all respect,with +5 volts regulated power supply, low and high logic levels, logic level indicators, clock pulse and
patch chords.
17. To Design & Construct a Up-Down Counter of 99 Count Using IC 74192 and Compare
Complete in all respect,with +5 volts regulated power supply, decoder with two digit display, clock pulse & patch chords.
18. To Study the Digital to Analog Converter
Complete in all respect, with built-in +5 V, + 12 V and + 5 V regulated power supplies, 8 low & 8 high levels,
digital voltmeter (0-20 V) & patch chords.
19. To Study 8 Bits Analog to Digital Converter
Complete in all respect, with built-in +5 V and +5 V, power supplies, clock pulse, digital voltmeter (0-20 V),
set of 8 LED’s and patch chords.
20. To Study the Flip Flops Circuits
The following studies/experiments can be carried out:
(a) To study RS, JK D and T flip – flops and verify their truth table
Complete in all respect, with 5 volts regulated power supply, clock pulse, logic level (0, 1), logic level indicator and patch chords.
21. Study of AND, OR, NOT, NOR, X-OR, NAND Gates Using IC’s, to Make OR, NOR, NOT, AND & X-OR Gates Using NAND
Gates and Verify Their Truth Tables
Complete in all respect,with 5 volts regulated supply 2-logic level, 4-two input NAND gates, one each two input AND, OR, NOT,
NOR, X-OR gates, patch chords.
22. To Study Half and Full Adder
Complete in all respect, with 5 volts regulated power supply three low and high logic levels with indicators and patch chords.
23. To Study the Verification of Laws and Network Theorems in DC Circuits.
The following studies can be carried out:
(a) Krichhoff’s Current & Voltage law (b) Ohm’s Law
(c) Series & Parallel law for resistance (d) Potential divider
(e) Maximum power transfer theorem (f) Theivenin’s Theorem
(g) Design of Multimeter (h) Norton’s Theorem
(i) V-I characteristics of Ideal resistance, semiconductor diodes and thermistors.
This experiment consists of:
(a) Power Supply : 0-30 volts continuously variable, 100 mA
(b) Power Supply : +9 V and +5 V
(c) Multirange DC voltmeter and DC current meter
(d) Wide range of selected resistances, junction diode, zener diode, thermistors and potentiometer.
24. To Design and Fabricate the Logic Gates Using Discrete Components and Verify Their Truth Tables, The following
Gates can be fabricated:
(a) AND (b) OR
(c) NOT (d) NOR
(e) NAND (f) X-OR
25. To Study Boolean Algebra and Verify
(a) Boolean Laws
(i) A+ B = B + A and AB = BA
(ii) A+ (B+C) = (A+B)+C and A(BC) = (AB)C
(iii) A(B+C) = AB + AC
(b) De. Morgan’s Theorem
_____ _ _
(i) A + B = A B
__ _ _
(ii) AB = A + B
Complete in all respect with 5 volt regulated power supply, trainer board with 3-two input AND, OR, and 2-NOT gates, 3 low and
high logic levels, two logic level indicators, patch chords and manual.
The following studies can be carried out
(a) Input impedance parameter (b) Output admittance parameter
(c) Forward current transfer ratio (d) Reverse voltage feedback ratio
Accessories required:
(i) A.C. Millivoltmeter (refer item No. 5) (ii) Multimeter
2. Study of Solid State Power Supply
The following studies can be carried out:
(a) Study of rectification (full wave and half wave)
(b) Study of ripples (with capacitor, choke, L, inverse L and pie section filters
(c) Regulation characteristics (effect of load & mains variations)
Accessories required:
(i) CRO (ii) Multimeter
3. Study of Basic Operational Amplifier, Type-741
The following studies can be carried out:
(a) Working of the basic circuit
(b) Measurement of bias and offset currents
(c) Working as inverting and non-Inverting amplifier
(d) Study of amplifier drift
Complete in all respect, including two IC regulated power supplies, multirange electronic voltmeter, set of resistances, patch
chords.
4. Study the Application of Operational Amplifier Type-741
The following studied can be carried out:
(a) As adder and subs tractor
(b) As integrator and differentiator
(c) Inverting and non-inverting A.C. amplifier
Complete in all respect, including two IC regulated power supplies, two built-in variable D.C. source, fixed frequency square and
triangular wave generator, set of resistances & capacitors, patch chords.
5. Study of an Integrated Circuit Timer-555
The following studies can be carried out:
(a) Operation as a free running multivibrator
(b) Operation as monostable multivibrator
(c) Operation as a preset time delay
Complete in all respect, including power supply, trigger source and patch chords, except CRO.
6. Study of Integrated Circuit Regulator, Type-723
The following studies can be carried out:
(a) Study as voltage regulator (b) Study as current regulator
Complete in all respect, including unregulated power supply, digital voltmeter and milliammeter, set of resistances & capacitors
and patch chords.
7. Study of Single Stage Transistorized R-C coupled Amplifier cum Feed Back amplifier
The following studies can be carried out:
(a) To observe the gain at 1 KHz with and without feedback
(b) To measure the voltage and power gain
(c) To measure the input and out impedance
(d) To observe the phase relation between the input and output signals
Accessories required:
(i) A.C. Millivoltmeter
8. Study of a R.C. Coupled Two-Stage Transistor Amplifier Cum Feed Back Amplifier
The following studies can be carried out:
(a) Frequency response of RC coupled amplifiers
(b) Effect of negative and positive feed back on frequency response
(c) Verification of the conditions of oscillator
Accessories Required:
(i) A.C. Millivoltmeter (ii) A.F. Oscillator
9. To Study the Emitter Follower Amplifier
The following studies can be carried out:
(a) Input and output impedance
(b) Voltage and power gain
(c) Observe phase relation between input and output waveform
Accessories required:
(i) A.C. Millivoltmeter (refer item No.5 )
(ii) CRO to observe phase relation
10. Study of Multivibrators with Built-In Power Supply
The following experiments can be carried out:
(a) Free running Multivibrator
(b) Univibrator
(c) Bistable multivibrator
Complete in all respect, except CRO.
11. To Study the Characteristics of Junction Field Effect Transistor (JFET) Type BFW-10
The following studies can be carried out:
(a) Drain and transfer characteristics
Complete in all respect, including two regulated power supplies, digital voltmeter and milliammeter and patch chords.
12. Study of Semiconductor Diodes
The following studies can be carried out:
(a) Forward and reverse characteristics of GE, Si, zener diodes, LED’s
Complete in all respect,with one IC regulated power supply (0-12 V), digital voltmeter and milliammeter and patch chords.
13. Study of Transistor Characteristics (NPN OR PNP)
The following studies can be carried out:
(a) Input, output transfer characteristics in CB & CE configurations.
Complete in all respectwith two power supplies, four meters and patch chords.
14. To Study the Characteristics of SCR
Complete in all respect, with built-in two variable power supply, one digital voltmeter, two milliammeter and patch chords
15. To study the Binary Counters of Count-by 2, 4, 16 and Verify Their Truth Table
Complete in all respect, with +5 volts regulated power supply, logic level indicator, clock pulse and patch chords.
16. To Study the Decade Counters Type 7490 as Divide By N (e.g. Divide by 5, 6, 7, 8, 10) Counts and Verify Their Truth
Tables
Complete in all respect,with +5 volts regulated power supply, low and high logic levels, logic level indicators, clock pulse and
patch chords.
17. To Design & Construct a Up-Down Counter of 99 Count Using IC 74192 and Compare
Complete in all respect,with +5 volts regulated power supply, decoder with two digit display, clock pulse & patch chords.
18. To Study the Digital to Analog Converter
Complete in all respect, with built-in +5 V, + 12 V and + 5 V regulated power supplies, 8 low & 8 high levels,
digital voltmeter (0-20 V) & patch chords.
19. To Study 8 Bits Analog to Digital Converter
Complete in all respect, with built-in +5 V and +5 V, power supplies, clock pulse, digital voltmeter (0-20 V),
set of 8 LED’s and patch chords.
20. To Study the Flip Flops Circuits
The following studies/experiments can be carried out:
(a) To study RS, JK D and T flip – flops and verify their truth table
Complete in all respect, with 5 volts regulated power supply, clock pulse, logic level (0, 1), logic level indicator and patch chords.
21. Study of AND, OR, NOT, NOR, X-OR, NAND Gates Using IC’s, to Make OR, NOR, NOT, AND & X-OR Gates Using NAND
Gates and Verify Their Truth Tables
Complete in all respect,with 5 volts regulated supply 2-logic level, 4-two input NAND gates, one each two input AND, OR, NOT,
NOR, X-OR gates, patch chords.
22. To Study Half and Full Adder
Complete in all respect, with 5 volts regulated power supply three low and high logic levels with indicators and patch chords.
23. To Study the Verification of Laws and Network Theorems in DC Circuits.
The following studies can be carried out:
(a) Krichhoff’s Current & Voltage law (b) Ohm’s Law
(c) Series & Parallel law for resistance (d) Potential divider
(e) Maximum power transfer theorem (f) Theivenin’s Theorem
(g) Design of Multimeter (h) Norton’s Theorem
(i) V-I characteristics of Ideal resistance, semiconductor diodes and thermistors.
This experiment consists of:
(a) Power Supply : 0-30 volts continuously variable, 100 mA
(b) Power Supply : +9 V and +5 V
(c) Multirange DC voltmeter and DC current meter
(d) Wide range of selected resistances, junction diode, zener diode, thermistors and potentiometer.
24. To Design and Fabricate the Logic Gates Using Discrete Components and Verify Their Truth Tables, The following
Gates can be fabricated:
(a) AND (b) OR
(c) NOT (d) NOR
(e) NAND (f) X-OR
25. To Study Boolean Algebra and Verify
(a) Boolean Laws
(i) A+ B = B + A and AB = BA
(ii) A+ (B+C) = (A+B)+C and A(BC) = (AB)C
(iii) A(B+C) = AB + AC
(b) De. Morgan’s Theorem
_____ _ _
(i) A + B = A B
__ _ _
(ii) AB = A + B
Complete in all respect with 5 volt regulated power supply, trainer board with 3-two input AND, OR, and 2-NOT gates, 3 low and
high logic levels, two logic level indicators, patch chords and manual.