Difference between revisions of "23cms filters"
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| − | + | Good 23cms filters are easy to build and there are plenty of designs available on the web: | |
===Simple band pass filter for 23cms=== | ===Simple band pass filter for 23cms=== | ||
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[[File:23cms 245.JPG|300px]] | [[File:23cms 245.JPG|300px]] | ||
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| + | ===3 and 5 pole filters=== | ||
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| + | Easy to make in a standard diecast box | ||
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| + | http://www.w6pql.com/23cm_filters.htm | ||
Revision as of 08:24, 29 March 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