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| To: | [email protected] |
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| Subject: | Re: LF: RE: Analog oscillators |
| From: | John P-G <[email protected]> |
| Date: | Thu, 05 Jul 2012 18:51:12 +0000 |
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On 05/07/2012 18:38, Rik Strobbe wrote: Stefan, what about a huff&puff oscillator (http://www.hanssummers.com/huffpuff.html) ? 73, Rik ON7YD - OR7T LF,My first 500kHz TX used a huff/puff VFO and it was very stable - as long as the RF pickup in the shack, while on TX, was minimized and the VFO and HuffPuff circuit were very well screened - otherwise the HuffPuff stabilization was lost during key down, and regained during RX. Still, a very nice way to get a VFO stable enough for WSPR without the need for DDS etc. John GM4SLV |
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