İKÇU Mechatronics Engineering
MEE211 ELECTRIC AND ELECTRONIC CIRCUIT THEORY I
FINAL Exam (03.02.2021) Duration: 120 minutes
Student Nr:
Signature
Name and Surname:
Q1.(35) The voltage vg shown in (a) is applied to an amplifier and the output of the amplifier is shown in
(b). Design the amplifier that produces the waveform given in the (b). The amplifier should consist of at
least one OPAMP and at least two resistors. The value of one of the resistors must be the value of the last
four digit of your student number. Verify your design by providing the theoretical calculations.
(a)
Vout
1V
(b)
-10 V
Vg
Vout
Q2.(35) The circuit given below consists of some components that depends on your student number.
R is the value of the last two digits of your student number. V1 is the voltage value given by the last digit
of your student number.
a-) According to defined prerequisites for the circuit, redesign the schematic.
b-) the variable DC voltage source in the circuit given below is adjusted so that i0 is zero. Find the value of
VDC
c-) Is there a power dissipating source in the circuit? Verify your answer
30 Ω
5Ω+R
15 Ω + R
R
20 + V1
i0+2
20 Ω + R
25 Ω + R
Q3. (30) For the circuit below, R1 is given by the last digit of your student number. The value of capacitor
C1= 15 µF.
3R1 kohm
R1 kohm
C1
a-)(10) find 𝑣0 (𝑡) for 𝑡 > 0. Deteremine the time constant and find the time necessary for the capacitor
voltage to decay to one-tenth of its value at t = 0. Sketch the voltage on the capacitor.
b-)(20)Add another capacitor with same value in parallel. What will be the total capacitance. Find the
time constant. Which parameters will be affected by the addition of the capacitor? Explain. Draw the
input and output waveforms