Difference between revisions of "70cms filters"
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There are plenty of designs available for 437 MHz filters: | There are plenty of designs available for 437 MHz filters: | ||
| − | + | ===Simple inter-digital filter=== | |
| − | + | Design by F1DJO and F6GQM first published in CQ-TV 245 | |
| + | [[File:70cms 245 1.JPG|400px]] | ||
| + | |||
| + | |||
| + | ===Built units=== | ||
The following suppliers sell built and tested units: | The following suppliers sell built and tested units: | ||
Revision as of 17:22, 26 March 2017
There are plenty of designs available for 437 MHz filters:
Simple inter-digital filter
Design by F1DJO and F6GQM first published in CQ-TV 245
Built units
The following suppliers sell built and tested units:
- Antennair - suppliers of the DTX1
- DG0VE - German supplier of reasonably priced filters for most amateur bands