Kristallfilter (Swedish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Kristallfilter" in Swedish language version.

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1web.archive.org

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arrl.org

Horst Stader och Jack A. Hardcastle, "Crystal Ladder Filters for All", QEX, pp.14-18 Nov-Dec 2009, [1]

ieee-uffc.org

Kinsman, R. G. (1998). "A History of Crystal Filters". IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society. Hämtad från ”Arkiverade kopian”. Arkiverad från originalet den 9 september 2011. https://web.archive.org/web/20110909013316/http://ieee-uffc.org/main/history.asp?file=crystal. Läst 17 december 2011.

web.archive.org

Kinsman, R. G. (1998). "A History of Crystal Filters". IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society. Hämtad från ”Arkiverade kopian”. Arkiverad från originalet den 9 september 2011. https://web.archive.org/web/20110909013316/http://ieee-uffc.org/main/history.asp?file=crystal. Läst 17 december 2011.