![Figure 6 from High-q and high-frequency current-mode bandpass active-filter based on simplified CCCIIs | Semantic Scholar Figure 6 from High-q and high-frequency current-mode bandpass active-filter based on simplified CCCIIs | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/7f8f02055b36b964b9566a5be3ec034f2f3e8e51/5-Figure6-1.png)
Figure 6 from High-q and high-frequency current-mode bandpass active-filter based on simplified CCCIIs | Semantic Scholar
Investigation of external quality factor and coupling coefficient for a novel SIR based microstrip tri-band bandpass filter | PLOS ONE
![Q factor vs bandwidth in octaves band filter -3 dB pass calculator calculation formula quality factor Q to bandwidth BW width octave convert filter BW octave vibration mastering slope dB/oct steepness EQ Q factor vs bandwidth in octaves band filter -3 dB pass calculator calculation formula quality factor Q to bandwidth BW width octave convert filter BW octave vibration mastering slope dB/oct steepness EQ](http://www.sengpielaudio.com/FilterBandwidth09B.gif)