CR Active Filters

Question 1

Answer 1

Question 2

What is a Filter Circuit

Describe what components are used to create Active & Passive Filters

Answer 2

Question 3

Name 3 benefits and 1 limitation of Active Filters compared to Passive Filters

Answer 3

Question 4

Draw a Generalised Low Pass Active Filter

Answer 4

Question 5

Derive the Formula for Gain for a Low Pass Active Filter

Answer 5

Question 6

Show what happens at Low and High Frequencies in a Low Pass Active Circuit

Answer 6

Question 7

What is the Corner Frequency for a Low Pass Active Circuit

Answer 7

Question 8

Draw a Gain against Angular Frequency graph for a Low Pass Active Filter

Answer 8

Question 9

Draw a Generalised High Pass Active Filter

Answer 9

Question 10

Derive the formula for Gain for a High Pass Active Filter

Answer 10

Question 11

Show what happens at high and low frequencies in a High Pass Active Filter

Answer 11

Question 12

Draw a Gain against angular frequency graph for a High pass Active Filter

Answer 12

Question 13

Answer 13

Question 14

Answer 14

Question 15

Answer 15

Question 16

Draw an Active Band Pass Filter, Label the High Pass and Low pass sections.

Answer 16

Question 17

Calculate Overall Gain of an Active Bandpass filter

Answer 17

Question 18

Show what the overall gain is if an active band pass filter at low and high frequencies

Answer 18

Question 19

Explain what is the gain of a band pass active filter a medium frequencies

Answer 19

Question 20

Draw the frequency response for a for a band pass active filter

Answer 20