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UNIVERSITY OF SHARJAH

COLLEGE OF ENGINEERING

ELECTRICAL ENGINEERING

Course Name: Circuit Analysis Lab 1

Course No:0402203

Lab Title: The Function Generator and the oscilloscope

Date Conducted: 1-11-2020

Date of Submission: 8-11-2020

Group Members:

Bader Bilal Adel Alief - U18102761

Abdulla Easa Abdulla Alkulaib Alteneji – U18100014

Circuit Analysis I Lab Manual21

University of Sharjah

Electrical and Electronics Engineering Department

0402203Circuit Analysis I LaboratoryExperiment # 7

The Function Generator and the Oscilloscope

OBJECTIVE

To learn the fundamentals of using the function generator and the digital oscilloscope.

THEORY:

The Function Generatoris a voltage source that can produce time varying voltages (waveforms).

There are four standard waveforms: sine, square, triangle and ramp (sawtooth) as shown in Figure 1.

The function generator also allows us to control the amplitude and the frequency of the waveform.

Figure 2 shows some characteristics of the waveforms: the voltage of one peak (Vp) and the peak-to-

peak voltage (Vp-p), which is twice of Vpfor symmetric waveforms. The period (T) is also shown which

is related to the frequency as f=1/T.

Figure 2: some characteristics of the waveforms

The oscilloscopeis basically a graph-displaying device - it draws a graph of an electrical signal. In

most applications the graph shows how signals change over time: the vertical (Y) axis represents

voltage and the horizontal (X) axis represents time. This simple graph can tell you many things about a

signal. Here are a few:

►You can determine the time and voltage values of a signal.

►You can calculate the frequency of an oscillating signal.

►You can see the "moving parts" of a circuit represented by the signal.

Refer to Appendix I or II for the details of the Oscilloscope you are using.

University of Sharjah

Electrical and Electronics Engineering Department

0402203Circuit Analysis I LaboratoryExperiment # 7

The Function Generator and the Oscilloscope

OBJECTIVE

To learn the fundamentals of using the function generator and the digital oscilloscope.

THEORY:

The Function Generatoris a voltage source that can produce time varying voltages (waveforms).

There are four standard waveforms: sine, square, triangle and ramp (sawtooth) as shown in Figure 1.

The function generator also allows us to control the amplitude and the frequency of the waveform.

Figure 2 shows some characteristics of the waveforms: the voltage of one peak (Vp) and the peak-to-

peak voltage (Vp-p), which is twice of Vpfor symmetric waveforms. The period (T) is also shown which

is related to the frequency as f=1/T.

Figure 2: some characteristics of the waveforms

The oscilloscopeis basically a graph-displaying device - it draws a graph of an electrical signal. In

most applications the graph shows how signals change over time: the vertical (Y) axis represents

voltage and the horizontal (X) axis represents time. This simple graph can tell you many things about a

signal. Here are a few:

►You can determine the time and voltage values of a signal.

►You can calculate the frequency of an oscillating signal.

►You can see the "moving parts" of a circuit represented by the signal.

Refer to Appendix I or II for the details of the Oscilloscope you are using.

Circuit Analysis I Lab Manual22

PROCEDURE:

1.Generate a sine wave of 5 volts peak-to-peak and 1.5 kHz frequency. Display this wave on the

oscilloscope and save it on disk and draw a 1 cycle sketch in figure 3.

(Use 2 Volt/ div and 200us/div)

Figure 3

Vp-p = 5 volts Vp = 2.5 volts Vrms= 1.76 volts-rms Period (T) = 6.67x10^-4 s

PROCEDURE:

1.Generate a sine wave of 5 volts peak-to-peak and 1.5 kHz frequency. Display this wave on the

oscilloscope and save it on disk and draw a 1 cycle sketch in figure 3.

(Use 2 Volt/ div and 200us/div)

Figure 3

Vp-p = 5 volts Vp = 2.5 volts Vrms= 1.76 volts-rms Period (T) = 6.67x10^-4 s

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