Crystal filter (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Crystal filter" in English language version.

refsWebsite

Global rank English rank

8,569^th place

5,659^th place

1radio-electronics.com

low place

low place

1web.archive.org

1^st place

1^st place

low place

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arrl.org

Stader, Horst; Hardcastle, Jack A. (Nov–Dec 2009). "Crystal ladder filters for all" (PDF). QEX Magazine. Newington, CT: American Radio Relay League. pp. 14–18.

ieee-uffc.org

Kinsman, R.G. (1998). "A history of crystal filters". UFFC History. IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society. Archived from the original on 2011-09-09. Retrieved 2011-12-17.

radio-electronics.com

Poole, I. (n.d.). "Quartz crystal filter". Radio-Electronics.com. Retrieved 2023-06-04.

web.archive.org

Kinsman, R.G. (1998). "A history of crystal filters". UFFC History. IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society. Archived from the original on 2011-09-09. Retrieved 2011-12-17.