File:Twin T oscillator.svg
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Original file (SVG file, nominally 761 × 517 pixels, file size: 25 KB)
Captions
Captions
Circuit of a Twin T oscillator
Summary
[edit]| Description |
English: Schematic diagram of a twin T oscillator, a type of RC oscillator. It is a feedback oscillator that produces a sinusoidal output. The circuit in the blue box is a twin T filter; it is a notch filter which passes signals at all frequenies except at its notch frequency. Positive feedback required to make the circuit oscillate is applied to the noninverting (+) input of the op-amp A through the voltage divider R3 and R4. However at all frequencies besides the notch frequency, the twin T filter applies the same signal to the inverting (-) input, so the loop gain is far below unity at those frequencies. Only at the notch frequency is the loop gain above unity, so the circuit oscillates at that frequency. |
| Date | |
| Source | Own work |
| Author | Chetvorno |
| SVG development |  This diagram was created with Inkscape, or with something else.  This diagram uses translateable embedded text. |
Licensing
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I, the copyright holder of this work, hereby publish it under the following license:
 
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:39, 9 May 2017 | | 761 × 517 (25 KB) | Chetvorno (talk | contribs) | Replaced invalid Inkscape SVG version with "plain SVG" version that passes validation |
| 11:17, 11 August 2015 |  | 761 × 517 (31 KB) | Chetvorno (talk | contribs) | User created page with UploadWizard |
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