Difference between revisions of "23cms filters"
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*[http://aerial-parts.co.uk/epages/626ba059-121d-45c5-8692-ea58514eb29c.sf/en_GB/?ObjectPath=/Shops/626ba059-121d-45c5-8692-ea58514eb29c/Products/APP0003 Aerial-parts-uk] - 23cm Interdigital Filter | *[http://aerial-parts.co.uk/epages/626ba059-121d-45c5-8692-ea58514eb29c.sf/en_GB/?ObjectPath=/Shops/626ba059-121d-45c5-8692-ea58514eb29c/Products/APP0003 Aerial-parts-uk] - 23cm Interdigital Filter | ||
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Revision as of 14:24, 8 October 2017
Good 23cms filters are easy to build and there are plenty of designs available on the web:
Simple band pass filter for 23cms
A nice simple to construct design by GM8OTI http://www.marwynandjohn.org.uk/GM8OTI/proj23cmBPF/proj23cmBPF.html
Look through cavity filter for 23cms
Design published in CQ-TV 245
3 and 5 pole filters
Easy to make in a standard diecast box
http://www.w6pql.com/23cm_filters.htm
Manufacturers
The following suppliers sell built and tested units:
- Antennair - suppliers of the DTX1
- DG0VE - German supplier of reasonably priced filters for most amateur bands
- Aerial-parts-uk - 23cm Interdigital Filter
