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File:Sparktrans2.png

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Description
English: A diagram of an experimental spark-gap radio transmitter. This elementary circuit is quite different from those of practical spark transmitters, which were used around the first decades of the 20th century. The battery would need to have a potential of at least a thousand volts, to cause a spark across the spark gap. And the circuit has no switch or key for creating repeated sparks. This circuit would create a single spark when the battery was attached, then nothing.
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Source w:Image:Sparktrans2.jpg
Author wikipedia:en:user:Cadmium
Permission
(Reusing this file)
This work has been released into the public domain by its author, Cadmium, at the English Wikipedia project. This applies worldwide.

In case this is not legally possible:
Cadmium grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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inception

21 December 2005

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Date/TimeThumbnailDimensionsUserComment
current19:43, 26 October 2006Thumbnail for version as of 19:43, 26 October 2006310 × 164 (3 KB)Helix84{{Information |Description={{en|A better diagram of a spark transmitter, please do not attempt to make one as they are nasty sources of QRM (Interference) which will bother everyone near you.}} |Source=w:Image:Sparktrans2.jpg |Date=21 December 2005 |
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