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low-pass filter |
Also found in: Wikipedia | 0.01 sec. |
low-pass filterA filter that blocks high frequencies and allows lower frequencies to pass through. Such filters are used in devices such as POTS splitters that direct phone and DSL signals to different lines. Contrast with high-pass filter. low-pass filter [′lō ‚pas ′fil·tər] (electricity) A filter that transmits alternating currents below a given cutoff frequency and substantially attenuates all other currents. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| As an example, a lowpass filter with a 1 kHz cutoff frequency, 80dB of rejection and a total transition band of only 5 Hz can be designed in minutes. 3 which contains new and upgraded utilities that enable automatic circuit generation from user specifications such as gain, lowpass filter corner frequency, and order of filter. The RF/Analog library now allows users to design elliptical filters using the LC lowpass filter model, and independent plus/minus limit parameters were added to all opamp circuits. |
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