Search for question
Question

Q2 (20 total marks)

Below is a passive filter circuit shown in figure Q2. For the following parts, include all calculations

and equations used.

Component values are:

R1=1 KQ, R2 = 4700, R3 = 10 KQ, R4 = 3.3 K0, R5= 6600, C1=10nF, C2 = 0.01μF.

a) Identify what the cut off frequency of the circuit is. (10 marks)

b) What is the roll-off or slope for this circuit in the stop band and why? (6 marks)

c) What is the bandwidth of the filter? (4 marks)

V In

R1

R2

R4

R5

R3

Figure Q2. Passive filter circuit

V Out

C1 C2

GND

Fig: 1