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| Created | October 28, 2016 |
| Last modified | October 29, 2016 |
| Tags | No tags. |
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Hello ohoilett, The twin tee notch response can be sharpened by feeding back one tenth of the output voltage (one twentieth of OA1 output) to the ground ends of C1 and R3. Worth a try! Hope this is helpful, mike |
October 30, 2016 |
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Wow that really does help. Thanks for the tip. https://www.circuitlab.com/circuit/cef86z/60hz-notch-filter-better/ |
November 06, 2016 |
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