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| To: | LF-Group <[email protected]> |
|---|---|
| Subject: | LF: Digital receiver |
| From: | Dick Rollema <[email protected]> |
| Date: | Thu, 24 Feb 2005 13:45:34 +0100 |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
|
To All from PA0SE German DARC magazine CQ-DL 3-2003 contains a review of a digital receiver designed and made by HB9CBU. It covers 1.65 - 30 MHz. See attached block schematic diagram. The following results were obtained: Noise factor 15.5 dB IM free second order dynamic range 89.2 dB Second order intercept point 72.dBm at receiver input IM free third order dynamic range 95.1 dB Third order intercept point 14.dBm (at receiver input) Unfortunately I do not have info on the filter at the input because I do not possess the magazine anymore. 73, Dick, PA0SE
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