File:Tuning The Cans.jpg

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Summary

Description Cavity resonators (left) in a 145 MHz amateur radio repeater. The spectrum analyzer at right shows the sharp resonance curve of the cavity. Cavities are used instead of tuned circuits at high frequencies since at these frequencies the inductance and capacitance values required in a tuned circuit would be very small. They can have high Q_factors, approaching the frequency stability of quartz crystals. Check out that notch...lovely.
Date
Source Flickr: Tuning The Cans
Author Sterling Coffey
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(Reusing this file)
This image, which was originally posted to Flickr, was uploaded to Commons using Flickr upload bot on 17 October 2012, 16:12 by Cqdx. On that date, it was confirmed to be licensed under the terms of the license indicated.
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Camera location37° 57′ 33.87″ N, 91° 46′ 17.78″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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inception

8 April 2011

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37°57'33.872"N, 91°46'17.782"W

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Date/TimeThumbnailDimensionsUserComment
current18:34, 20 October 2017Thumbnail for version as of 18:34, 20 October 20172,272 × 1,704 (1,017 KB)VortBotUploading higher resolution from Flickr
16:12, 17 October 2012Thumbnail for version as of 16:12, 17 October 20121,024 × 768 (442 KB)Flickr upload botUploaded from http://flickr.com/photo/61865431@N06/5679187098 using Flickr upload bot
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