File:Idealized vactrol transfer function 2.PNG
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Summary
| Description |
English: Idealized transfer function of a LED-LDR optoisolator ("vactrol"). Green band approximated fluctuations due to memory effect at room temperature. Wider red band approximates effects of thermal drift, changes in optical coupling due to thermal shifts in LED emission band, etc. As a general rule, all irregularities decrease with the increase in illuminance.
Adapted from drawings in PerkinElmer (2001). Photoconductive Cells and Analog Optoisolators (Vactrols®), pp. 34 (response curve) 10, 12 (thermal drift), and idealized model in Silonex (2007). Audiohm Optocouplers: Audio Characteritics. |
| Date | |
| Source | Own work |
| Author | East of Borschov |
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:35, 25 November 2010 | | 810 × 730 (49 KB) | wikimediacommons>East of Borschov | {{Information |Description={{en|1=Idealized transfer function of a LED-LDR optoisolator ("vactrol"). Green band approximated fluctuations due to memory effect at room temperature. Wider red band approximates effects of thermal drift, changes in optical co |
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