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Link: All About Circuits |
Contents: Basic electronic design theory. |
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Link: Crystal ladder filters |
Contents: Good description with JavaScript calculation of crystal ladder filters. |
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Link: Fixed Attenuators |
Contents: Formulas for Π, T, T barred, O, and H configuration fixed attenuators along with JavaScript calculator. |
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Link: Ian Purdie's Amateur Radio Tutorial Pages |
Contents: Contains basic and advanced electronic design tutorials from VK2TIP. |