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| To: | [email protected] |
|---|---|
| Subject: | LF: re Xtal osc "delta emitter" tuning |
| From: | "Lawrence Mayhead" <[email protected]> |
| Date: | Wed, 9 Jun 2004 13:56:20 +0100 |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
Thanks Bob for the sugestion, I have been looking for a means to pull the oscillator that I use for QRS and DFCW. The cap. in series with the xtal gives me coarse adjustment and now the emitter resistance change enables a "fine tune". I am able to achieve 0.5hz shift in the final 137 khz output. although I need to reduce the emitter resistance by 50% to achieve this. 73 Laurie. |
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