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File:Vacuum tube Seiler Oscillator.png

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Vacuum_tube_Seiler_Oscillator.png (370 × 269 pixels, file size: 51 KB, MIME type: image/png)

Summary

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Media data and Non-free use rationale
Description Original schematic of the Seiler oscillator. C1 and L1 are the LC circuit. C2 couples the LC circuit to the gain device and C3, C4 are a voltage divider to couple the energy in and out of the tuned circuit.
Author or
copyright owner
E. O. Seiler
Source (WP:NFCC#4) Original publication: QST magazine

Immediate source: https://www.rsp-italy.it/Electronics/Magazines/QST/_contents/QST%201941_11.pdf

Date of publication November 1941
Use in article (WP:NFCC#7) Seiler oscillator
Purpose of use in article (WP:NFCC#8) The schematic is the important information about Seiler oscillator for the electronics engineer, the text is secondary.
Not replaceable with
free media because
(WP:NFCC#1)
The original schematic is free of errors.
Minimal use (WP:NFCC#3) This schematic is used only in this Wikipedia article.
Respect for
commercial opportunities
(WP:NFCC#2)
Vacuum tube circuits have no commercial value any longer.
Fair useFair use of copyrighted material in the context of Seiler oscillator//en.wikipedia.org/wiki/File:Vacuum_tube_Seiler_Oscillator.pngtrue

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Date/TimeThumbnailDimensionsUserComment
current00:04, 18 February 2024Thumbnail for version as of 00:04, 18 February 2024370 × 269 (51 KB)DatBot (talk | contribs)Reduce size of non-free image (BOT - disable)
20:31, 16 February 2024No thumbnail389 × 283 (23 KB)AndreAdrian (talk | contribs)Uploading a non-free file using File Upload Wizard

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