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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: 73kHz / Soundcards |
| From: | "Mike Dennison" <[email protected]> |
| Date: | Fri, 4 Feb 2000 16:25:54 -0000 |
| In-reply-to: | <5980.200002041455@gemini> |
| Reply-to: | [email protected] |
| Sender: | <[email protected]> |
M0BMU wrote: A noise level -45dB relative to the carrier, within a few 100Hz of the carrier is probably pretty good performance, or at least not a major fault - after all, there is bound to be some ripple, and -45dB wouldcorrespond to only1% or so voltage ripple. But the point is that previously it was much lower than this, so something has changed. Mike, G3XDV (IO91VT) http://www.dennison.demon.co.uk/activity.htm |
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