Lab-Report5cse251

.docx

School

East West University, Dhaka**We aren't endorsed by this school

Course

CSE 251

Subject

Computer Science

Date

Dec 29, 2024

Pages

Uploaded by MagistrateCapybaraMaster1866

Lab ReportSemester:Fall-2024Course Title:Electronic CircuitsCourse Code: CSE251Sec:04Experiment no: 05Exp. name: Adder and Amplifier Circuits using 741 Op AmpGroup No:04Group members :NameIDTonmoy Das 2022-1-60-004Fardin prince 2021-3-60-299Iqbal Hossain Safy2022-1-60-038Ohiduzzaman Rayhan 2023-1-60-108Submitted by -Name: Tonmoy Das 2022-1-60-004Submitted to -Sarwar JahanAssociate ProfessorDepartment of Computer Science and EngineeringDate of Experiment: 17thDecember 2024Date of Submission: 23th December 2024

Objectives:1. To familiarize with the 741 Op Amp Integrated Circuit (IC).2. To design and construct an adder using 741 Op Amp.3. To design and construct an amplifier using 741 Op Amp.Equipment’s and Components Needed:1. Digital trainer board2. DC power supply3. Signal generator4. Oscilloscope5. Digital multimeter6. 741 Op Amp (1 pc)7. Resistor (as required from pre-lab design)8. Breadboard9. Connecting wiresThe circuit:

Experimental Datasheet:Rf= 4.61 k R1= 3.29 k R2= 2.10 k +Vcc= 14.98 V-Vcc= -15.1 VPeak to peak input voltage = 5VAmplitude input voltage = 5VAmplitude output voltage = 6.81 VPost-Lab Report Questions:From the adder circuit:1)𝑉1 = 5V, 𝑉2= 2V, 𝑅1= 3.29 kΩ,𝑅2= 2.10 kΩ, 𝑅𝑓=4.61 kΩMeasured Output, 𝑉𝑜= −10.75VNow, our output should be, 𝑉𝑜=− (𝑅𝑓/𝑅1 × 𝑉1 + 𝑅𝑓/𝑅2 × 𝑉2)= −(7.006 + 4.390)= −11.396 V

1.The calculated value closely matches the experimentally measured value, confirming the validity of our design.2.The input amplitude, representing the strength of the signal entering the circuit, was measured at 5.00 volts. However, the output amplitude, or the signal produced by the circuit, was found to be 6.81 volts.This indicates that the output amplitude exceeds the input amplitude.Since the circuit is designed to add voltages rather than amplify them, this result suggests a flaw in our design, as it is not functioning as intended.