Civil Engineering Mechanical Engineering Chemical Engineering Networking Database Questions Computer Science Basic Electronics Digital Electronics Electronic Devices Circuit Simulation Electrical Enigneering Engineering Mechanics Technical Drawing

# Electronic Devices - Active Filters

@ : Home > Electronic Devices > Active Filters > General Questions

### Exercise

"Life is like riding a bicycle. To keep your balance you must keep moving."
- Albert Einstein
1.

A ________ filter rejects all frequencies within a specified band and passes all those outside this band.

 A. low-pass B. high-pass C. band-pass D. band-stop

2.

Identify the frequency response curve for a band-pass filter.

 A. a B. b C. c D. d

3.

Filters with the ________ characteristic are useful when a rapid roll-off is required because it provides a roll-off rate greater than –20/dB/decade/pole.

 A. Butterworth B. Chebyshev C. Bessel

4.

A ________ filter significantly attenuates all frequencies below fc and passes all frequencies above fc.

 A. low-pass B. high-pass C. band-pass D. band-stop

5.

The gain of the multiple-feedback band-pass filter above is equal to which of the following? Assume C = C1 = C2.

 A. A0 = R2 / R1 B. A0 = R1 / R2 C. A0 = R2 / 2 R1 D. A0 = R1 / 2 R2