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| To: | rsgb_lf_group@blacksheep.org |
|---|---|
| Subject: | LF: Narrow CW filter using 32kHz clock crstals? |
| From: | "Tracey Gardner" <tracey.gardner@ntlworld.com> |
| Date: | Wed, 25 Sep 2002 18:49:07 +0100 |
| References: | <021401c264b0$4069ea60$be934c51@remote> |
| Reply-to: | rsgb_lf_group@blacksheep.org |
| Sender: | <owner-rsgb_lf_group@blacksheep.org> |
I recall someone making a very narrow CW filter (20Hz?) which utilised a number of 32kHz clock crystals. I'd like to have a go at building one but can't recall where I saw the information. Can anyone on the list point me in the right direction please? 73s Tracey |
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