Filters Flashcards
1
Q
Filters
A
Removes unwanted frequency components from a signal
2
Q
Signal
A
A function that conveys information about a phenomenon
3
Q
Time Domain vs Frequency Domain
A
Time domain: How signal changes over time
Frequency Signal: How much of the signal lies within each given frequency
4
Q
Analog Filters
A
Passive filters (use passive components), Active filters(Active components used). Passive components cannot use a power gain.
5
Q
Digital Filters
A
Infinite Impulse Response (IIR): Difficult to control, can be unstable but faster
Finite Impulse Response (FIR): Always stable but slower
6
Q
Low Pass
A
Only pass lower components
7
Q
High Pass
A
Only pass Higher components
8
Q
Band Pass
A
A particular frequency range
9
Q
Band Stop/Notch filter
A
Don’t want a frequency range
