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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[VHFcontesting\]\s+DEMI\s+VHFLNA\s+2M\s+preamp\s+puzzle\s*$/: 3 ]

Total 3 documents matching your query.

1. [VHFcontesting] DEMI VHFLNA 2M preamp puzzle (score: 1): Author: "Chet, N8RA" <chetsubaccount@snet.net>; Date: Fri, 4 Jul 2008 14:09:17 -0400; I thought this preamp was working OK for a few months, but it is not now. When it is out of its die-cast box, it seems to hear and tune up just fine. But when I put it back into its box, it still out; /archives//html/VHFcontesting/2008-07/msg00034.html (7,336 bytes)
2. Re: [VHFcontesting] DEMI VHFLNA 2M preamp puzzle (score: 1): Author: "John Santillo N2HMM" <n2hmm@warwick.net>; Date: Fri, 4 Jul 2008 18:02:38 -0400 (EDT); Chet make sure all the components are flush to the PCB especially the input coil and the drain resistor. If everything looks good then you could have a damaged chip cap(s) in the source of the GaAs F; /archives//html/VHFcontesting/2008-07/msg00040.html (8,404 bytes)
3. Re: [VHFcontesting] DEMI VHFLNA 2M preamp puzzle (score: 1): Author: "Chet, N8RA" <chetsubaccount@snet.net>; Date: Sat, 5 Jul 2008 18:24:13 -0400; Thank you for the many suggestions offered for my problem. On the most-likely list were spurious oscillations, a bad solder connection or a cracked chip cap. So I hauled the panel back onto the workb; /archives//html/VHFcontesting/2008-07/msg00052.html (11,581 bytes)

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