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Combined display of all available logs of Land Boards Wiki. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 18:46, 26 September 2021 Blwikiadmin talk contribs restored page Crystal Filter Design (129 revisions)
- 11:44, 26 September 2021 Blwikiadmin talk contribs deleted page Crystal Filter Design (content was: "== W7ZOI Filter Builds == file:XF2.SCH.png * [http://w7zoi.net/filters/9megxfils.pdf W7ZOI Crystal Filter paper] has several crystal filter designs * Narrow bandwidth bandpass filters for CW or SSB ** Used for transmit/receive * 9 MHz nominal frequency * Bin crystals using Colpitts Crystal Oscillator ** Hand select close values from a pile of crystals **...", and the only contributor was "Blwikiadmin" (talk))
- 13:17, 17 November 2020 Blwikiadmin talk contribs created page Crystal Filter Design (Created page with "== References == * [https://sq2gxo.wordpress.com/2010/04/05/crystal-ladder-filters-i-software/ Crystal ladder filters – software]")
