DEPARTMENT OF ECE LAB OBSERVATION / MANUAL SEMESTER...
Transcript of DEPARTMENT OF ECE LAB OBSERVATION / MANUAL SEMESTER...
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DEPARTMENT OF ECE
LAB OBSERVATION / MANUAL
SEMESTER : III SEM
SUBJECT CODE : EC 6311
SUBJECT : ANALOG AND DIGITAL CIRCUITS LABORATORY
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EC6311 ANALOG AND DIGITAL CIRCUITS LABORATORY L T P C
0 0 3 2
LIST OF EXPERIMENTS
LIST OF ANALOG EXPERIMENTS:
1. Frequency Response of CE / CB / CC amplifier
2. Frequency response of CS Amplifiers
3. Darlington Amplifier
4. Differential Amplifiers- Transfer characteristic.
5. CMRR Measurment
6. Cascode / Cascade amplifier
7. Determination of bandwidth of single stage and multistage amplifiers
8. Spice Simulation of Common Emitter and Common Source amplifiers
LIST OF DIGITAL EXPERIMENTS 9. Design and implementation of code converters using logic gates
(i) BCD to excess-3 code and vice versa
(ii) Binary to gray and vice-versa
10. Design and implementation of 4 bit binary Adder/ Subtractor and BCD adder
using IC 7483
11. Design and implementation of Multiplexer and De-multiplexer using logic gates
12. Design and implementation of encoder and decoder using logic gates
13. Construction and verification of 4 bit ripple counter and Mod-10 / Mod-12 Ripple
counters
14. Design and implementation of 3-bit synchronous up/down counter
15. Implementation of SISO, SIPO, PISO and PIPO shift registers using Flip- flops
TOTAL: 45 PERIODS
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ANALOG EXPERIMENT
S.No Nane of the Experiment
1 Frequency Response and Bandwidth of CE amplifier
2 Frequency Response and Bandwidth of CB amplifier
3 Frequency Response and Bandwidth of CC/CS amplifier
4 Darlington Amplifier
5 Differential Amplifiers Transfer characteristic & CMRR Measurment
6 Spice Simulation of Common Emitter and Common Source amplifiers
DIGITAL EXPERIMENT
S.No Nane of the Experiment
7 Design and implementation of code converters using logic gates
8 Design and implementation of 4 bit binary Adder/ Subtractor and BCD
adder using IC 7483
9 Design and implementation of Multiplexer and De-multiplexer using
logic gates
10 Design and implementation of encoder and decoder using logic gates
11 Construction and verification of 4 bit ripple counter and Mod-10 /
Mod-12 Ripple counters
12 Design and implementation of 3-bit synchronous up/down counter
13 Implementation of SISO, SIPO, PISO and PIPO shift registers using
Flip- flops
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CIRCUIT DIAGRAM :COMMON EMITTER AMPLIFIER
MODEL GRAPH:
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FREQUENCY RESPONSE AND BANDWIDTH OF COMMON EMITTER
AMPLIFIER
AIM: To construct a common emitter amplifier configuration using BJT and to determine
the bandwidth from its frequency response curve.
APPARATUS REQUIRED:
Sl.No Apparatus Range Quantity
1 Function generator 1
2 CRO (0-30MHz) 1
3 RPS (0-30V) 1
4 Transistor BC 547 1
5 Resistor 1K Ω, 680Ω 1,1
6 Capacitor 4.7uF 2
7 Breadboard 1
8 Connecting wires Few
PROCEDURE:
1. Connect the circuit as per the circuit diagram.
2. Set the input and apply the input signal from the FG and observe the output.
3. Vary the input frequency from 10Hz to 1MHz and the output amplitude is noted.
4. Calculate the gain and draw the frequency response curve.
5. Calculate the bandwidth.
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TABULATION:
Input Voltage Vin= ...........V
Sl.No Frequency (HZ)
Output voltage (Volt)
Gain=Vo/Vin
Gain in dB
=20log(Vo/Vi)
Calculation:
Bandwidth= f2-f1
=................Hz
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Result:
Thus the frequency response of common emitter amplifier is obtained and the
bandwidth is calculated.
Bandwidth=...............Hz
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CIRCUIT DIAGRAM : COMMON COLLECTOR AMPLIFIER
MODEL GRAPH:
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FREQUENCY RESPONSE AND BANDWIDTH OF COMMON COLLECTOR
AMPLIFIER
AIM: To construct a common collector amplifier configuration using BJT and to determine
the bandwidth from its frequency response curve.
APPARATUS REQUIRED:
Sl.No Apparatus Range Quantity
1 Function generator 1
2 CRO (0-30MHz) 1
3 RPS (0-30V) 1
4 Transistor BC 547 1
5 Resistor 33K Ω, 22K Ω, 10KΩ,
1K Ω
Each one
6 Capacitor 4.7uF 2
7 Breadboard 1
8 Connecting wires Few
PROCEDURE:
1. Connect the circuit as per the circuit diagram.
2. Set the input and apply the input signal from the FG and observe the output.
3. Vary the input frequency from 10Hz to 1MHz and the output amplitude is noted.
4. Calculate the gain and draw the frequency response curve.
5. Calculate the bandwidth.
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TABULATION:
Input Voltage Vin= ...........V
Sl.No Frequency (HZ)
Output voltage (Volt)
Gain=Vo/Vin
Gain in dB
=20log(Vo/Vi)
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Result:
Thus the frequency response of common collector amplifier is obtained.
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CIRCUIT DIAGRAM : COMMON BASE AMPLIFIER
MODEL GRAPH:
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FREQUENCY RESPONSE AND BANDWIDTH OF COMMON BASE AMPLIFIER
AIM: To construct a common base amplifier configuration using BJT and to determine the
bandwidth from its frequency response curve.
APPARATUS REQUIRED:
Sl.No Apparatus Range Quantity
1 Function generator 1
2 CRO (0-30MHz) 1
3 RPS (0-30V) 2
4 Transistor BC 547 1
5 Resistor 20K Ω, 10K Ω, 1,2
6 Capacitor 10uF 2
7 Breadboard 1
8 Connecting wires Few
PROCEDURE:
1. Connect the circuit as per the circuit diagram.
2. Set the input and apply the input signal from the FG and observe the output.
3. Vary the input frequency from 10Hz to 1MHz and the output amplitude is noted.
4. Calculate the gain and draw the frequency response curve.
5. Calculate the bandwidth.
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TABULATION:
Input Voltage Vin= ...........V
Sl.No Frequency (HZ)
Output voltage (Volt)
Gain=Vo/Vin
Gain in dB
=20log(Vo/Vi)
Calculation:
Bandwidth= f2-f1
=................Hz
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Result:
Thus the frequency response of common base amplifier is obtained and the bandwidth
is calculated.
Bandwidth=...............Hz
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CIRCUIT DIAGRAM : COMMON SOURCE AMPLIFIER
MODEL GRAPH:
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FREQUENCY RESPONSE AND BANDWIDTH OF COMMON SOURCE
AMPLIFIER
AIM: To construct a common source amplifier configuration using FET and to determine
the bandwidth from its frequency response curve.
APPARATUS REQUIRED:
Sl.No Apparatus Range Quantity
1 Function generator 1
2 CRO (0-30MHz) 1
3 RPS (0-30V) 2
4 Transistor BFW10 1
5 Resistor 2.2KΩ,10KΩ,1KΩ,1MΩ Each one
6 Capacitor 4.7uF 2
7 Breadboard 1
8 Connecting wires Few
PROCEDURE:
1. Connect the circuit as per the circuit diagram.
2. Set the input and apply the input signal from the FG and observe the output.
3. Vary the input frequency from 10Hz to 1MHz and the output amplitude is noted.
4. Calculate the gain and draw the frequency response curve.
5. Calculate the bandwidth.
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TABULATION:
Input Voltage Vin= ...........V
Sl.No Frequency (HZ)
Output voltage (Volt)
Gain=Vo/Vin
Gain in dB
=20log(Vo/Vi)
Calculation:
Bandwidth= f2-f1
=................Hz
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Result:
Thus the frequency response of common source amplifier is obtained and the
bandwidth is calculated.
Bandwidth=...............Hz
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CIRCUIT DIAGRAM : DARLINGTON AMPLIFIER
MODEL GRAPH:
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FREQUENCY RESPONSE AND BANDWIDTH OF DARLINGTON AMPLIFIER
AIM: To construct a darlington amplifier using BJT and to determine the bandwidth from
its frequency response curve.
APPARATUS REQUIRED:
Sl.No Apparatus Range Quantity
1 Function generator 1
2 CRO (0-30MHz) 1
3 RPS (0-30V) 1
4 Transistor BC 547 2
5 Resistor 10K Ω, 680Ω, 15K Ω 2,1,1
6 Capacitor 4.7uF 2
7 Breadboard 1
8 Connecting wires Few
PROCEDURE:
1. Connect the circuit as per the circuit diagram.
2. Set the input and apply the input signal from the FG and observe the output.
3. Vary the input frequency from 10Hz to 1MHz and the output amplitude is noted.
4. Calculate the gain and draw the frequency response curve.
5. Calculate the bandwidth.
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TABULATION:
Input Voltage Vin= ...........V
Sl.No Frequency (HZ)
Output voltage (Volt)
Gain=Vo/Vin
Gain in dB
=20log(Vo/Vi)
Calculation:
Bandwidth= f2-f1
=................Hz
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Result:
Thus the frequency response of darlignton amplifier is obtained and the bandwidth is
calculated.
Bandwidth=...............Hz
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CIRCUIT DIAGRAM : DIFFERENTIAL AMPLIFIER-COMMON MODE
TABULATION: DIFFERENTIAL AMPLIFIER-COMMON MODE
V1(V) V2(V) Vo(V) Ac=2Vo/(V1+V2)
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DIFFERENTIAL AMPLIFIER –TRANSFER CHARACTERISTICS AND CMRR
AIM: To construct a differential amplifier using BJT and to determine its CMRR from its
common mode and difference mode operation.
APPARATUS REQUIRED:
Sl.No Apparatus Range Quantity
1 Function generator 2
2 CRO (0-30MHz) 1
3 RPS (0-30V) 1
4 Transistor BC 547 2
5 Resistor 4.7K Ω, 10kΩ 2,1
6 Breadboard 1
7 Connecting wires Few
PROCEDURE:
1. Connect the circuit as per the circuit diagram.
2. Set the input and apply the input signal from the FG and observe the output.
3. Vary the input voltage and the output amplitude is noted.
4. Calculate the common mode and difference mode gain
5. Calculate the CMRR.
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CIRCUIT DIAGRAM : DIFFERENTIAL AMPLIFIER - DIFFERENCE MODE
TABULATION: DIFFERENTIAL AMPLIFIER-DIFFERENCE MODE
V1(V) V2(V) Vo(V) Ad=Vo/(V1-V2)
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Result:
Thus the differential amplifier is constructed using BJT and the common mode and
difference mode operation is obtained. CMRR is calculated.
CMRR=...............
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SIMULATION OF CE AND CS AMPLIFIER USING SPICE SIMULATION SOFTWARE
AIM:
To draw the circuit diagram of CE and CS amplifier and to simulate it using PSPICE
software.
APPARATUS REQUIRED:
Sl.No Apparatus Range Quantity
1 Function generator 1
2 CRO (0-30MHz) 1
3 RPS (0-30V) 1
4 Transistor BC 547 1
5 Resistor 1K Ω, 680Ω 1,1
6 Capacitor 4.7uF 2
7 Transistor BFW10 1
8 Resistor 2.2KΩ,10KΩ,1KΩ,1MΩ Each one
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