Introduction to Electronics

Q. 1

Determine the output of the circuit shown in Fig. Q. 1 with , , , . Assume Op-amp is ideal.

Fig. Q. 1

Q. 2

Show the citcuit in Fig. Q. 2 is a difference amplifier i. e Find . Assume Op-amp is ideal.

Fig. Q. 2

Q. 3

For the inverting amplifier shown in Fig. Q. 3, determine the value of that will give a voltage gain . Given , .

Fig. Q. 3

Q. 4

Sketch as a function of for the circuit shown in Fig. Q. 4. Assume Op-amp is ideal and the diode with cut-in voltage of and each.

Fig. Q. 4

Q. 5

For the Schmitt trigger shown in Fig. Q. 5 calculate the upper-threshold voltage and lower-threshold voltage . Assume . Plot the transfer characteristics of the circuit. What is of the circuit?

Fig. Q. 5

Q. 6

For the circuit shown in Fig. Q. 6, calculate and .Plot the transfer characteristics of the circuit. Assume .Given Assume Op-amp is ideal.

Fig. Q. 6

Q. 7.

For the circuit shown in Fig. Q. 7 sketch the voltage waveforms of output voltage and the voltage across the capacitor. Determine the time period of . Assume  .

Fig. Q. 7