File:Bandwidth 2.svg
Summary
A diagram showing the definition of bandwidth (B) for a bandpass filter. f0 is the <a href="https://en.wikipedia.org/wiki/centre_frequency" class="extiw" title="en:centre frequency">centre frequency</a>, fH is the higher cut-off frequency, and fL is the lower cut-off frequency. The 0 dB level is the level of the peak of the bandpass response, which is not necessarily located at the centre frequency. Also the centre frequency is located at either the <a href="https://en.wikipedia.org/wiki/arithmetic_mean" class="extiw" title="en:arithmetic mean">arithmetic</a> or <a href="https://en.wikipedia.org/wiki/geometric_mean" class="extiw" title="en:geometric mean">geometric</a> mean of the upper and lower cut-offs depending on context and conventions.
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:10, 9 January 2017 | | 600 × 400 (14 KB) | 127.0.0.1 (talk) | A diagram showing the definition of bandwidth (B) for a bandpass filter. <i>f</i><sub>0</sub> is the <a href="https://en.wikipedia.org/wiki/centre_frequency" class="extiw" title="en:centre frequency">centre frequency</a>, <i>f</i><sub>H</sub> is the higher cut-off frequency, and <i>f</i><sub>L</sub> is the lower cut-off frequency. The 0 dB level is the level of the peak of the bandpass response, which is not necessarily located at the centre frequency. Also the centre frequency is located at either the <a href="https://en.wikipedia.org/wiki/arithmetic_mean" class="extiw" title="en:arithmetic mean">arithmetic</a> or <a href="https://en.wikipedia.org/wiki/geometric_mean" class="extiw" title="en:geometric mean">geometric</a> mean of the upper and lower cut-offs depending on context and conventions. |
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