File:Vactrol AGC (Yushin).PNG

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Vactrol_AGC_(Yushin).PNG ‎(581 × 396 pixels, file size: 14 KB, MIME type: image/png)

Summary

Basic +20dB, automatic gain control cell - as used in 1970s telephone networks. Adapted from A. V. Yushin (1998, in Russian). Оптоэлектронные приборы и их зарубежные аналоги (Optoelectronnye pribory i ih zarubezhnye analogi). Radiosoft Moscow. Volume 1. <a href="//commons.wikimedia.org/wiki/Special:BookSources/5855540000" class="internal mw-magiclink-isbn">ISBN 5855540000</a>. p. 323.
Note that capacitor values are chosen to narrow passband to telephony standard; hi-fi passband would need at least 100nF values for both C1, C2.

Licensing

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File history

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Date/TimeThumbnailDimensionsUserComment
current01:30, 16 January 2017Thumbnail for version as of 01:30, 16 January 2017581 × 396 (14 KB)127.0.0.1 (talk)<p>Basic +20dB, automatic gain control cell - as used in 1970s telephone networks. Adapted from A. V. Yushin (1998, in Russian). Оптоэлектронные приборы и их зарубежные аналоги (Optoelectronnye pribory i ih zarubezhnye analogi). Radiosoft Moscow. Volume 1. <a href="//commons.wikimedia.org/wiki/Special:BookSources/5855540000" class="internal mw-magiclink-isbn">ISBN 5855540000</a>. p. 323.<br> Note that capacitor values are chosen to narrow passband to telephony standard; hi-fi passband would need at least 100nF values for both C1, C2. </p>
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