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# Class D amplifier FAQ - Part 1: Overview, amplifier selection and filters

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re: Class D amplifier FAQ - Part 1: Overview, amplifier selection and filters
5/21/2009 8:17:25 AM
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can lget aclass d shematic mail is doug79me@live.com

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re: Class D amplifier FAQ - Part 1: Overview, amplifier selection and filters
4/20/2009 8:59:49 PM
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I used simplified equations to simplify their use, as the thrust of this was to make it as simple as possible. When I need to design Class D filters I often do a Google search for "crossover calculator" as the easiest solution. If you would like to learn about the use of LC filters I suggest the book "Modern Filter Design" by Ghausi and Laker.

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re: Class D amplifier FAQ - Part 1: Overview, amplifier selection and filters
12/10/2008 10:26:11 AM
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these articles is good, but i do not know how to get the 0.113 in the equation, L1 = L2 = (0.113 * RL) / fC and the 0.225 in the equation C= 0.113 / (RL * fC)