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| To: | DK7FC <[email protected]> |
|---|---|
| Subject: | Re: LF: On air again in LF WSPR-15 |
| From: | Chris Wilson <[email protected]> |
| Date: | Thu, 22 Nov 2018 10:36:08 +0000 |
| Dkim-signature: | v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:reply-to:message-id:to:subject:in-reply-to:references :mime-version:content-transfer-encoding; bh=/hmQvagfBH/7q/2pUPTVmaVPnw/BGKNjwo/iDjqLh2I=; b=O9f6zZNfRO7zQw+eUWl21iRMoSBZ0dJXsov3sGtNva0CXvRfu0T/yzOOIJOfKeQJ2s Qw1aMuVNbIFoYVZP68oQ8y/cZXz0zRgC2exG5rntSdTchdKAVpTYEqEZkB+Y/lAb1uRN kGfkmuKpjOw/M8Rgwag6xoQzXaB3ec93wontpmuaUQSpbp5ZxIz/O/5tDAg75KmNhnos PISC4sIxuIaNtwtWrpPgxvt9v5/fgRQqNUaCPcrM93y7l6lAEDGvAxrZqOCKFzLVSxai +vfblTdMwM4eJxkZ+2aF5bM/e34Agc6JhBrCc0dAG5UToB650wtXk112VTIzK/oyfIGA c5Fw== |
| In-reply-to: | <[email protected]> |
| References: | <6DB8451D7F3D3947A5918808A59621EA14E200EB@servigilant.vigilant.local> <[email protected]> <[email protected]> <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
Hello DK7FC, Wednesday, November 21, 2018, 2:06:53 PM, you wrote: > Hi Chris, > Yes i published it on Dropbox a few years ago but i think the link > doesn't work any more. I attach the two images here, the size is small > enough. > 73, Stefan Thanks for the schematics Stefan! Do you know exactly what toroid you used (assuming it is a toroid) for the gate driver transformer please? Would the output level of the Si chip in a QRP Labs U3S be enough to drive this amp direct? I do not fully understand what the BF862 / 6N136 and 10K pot do, would mind just explaining that bit about duty cycle please? Thanks :) -- Best regards, Chris mailto:[email protected] |
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