| To: | <tentec@contesting.com> |
|---|---|
| Subject: | [TenTec] Re: 1 kHz IMD with Preamp ON/OFF |
| From: | "Marijan Miletic, S56A" <s56a@bit.si> |
| Reply-to: | tentec@contesting.com |
| Date: | Tue, 23 Dec 2003 10:39:32 -0000 |
| List-post: | <mailto:tentec@contesting.com> |
>Looking at the filter there are only 4 crystals. Each crystal has series and parallel resonance which makes 8 pole filter! It is difficult to achieve 1 kHz filter shape factor better then 1:3 at 9 MHz. 73 de Mario, S56A, N1YU _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec |
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