Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TenTec\]\s+Argonaut\s+509\s+sidetone\s+\"pop\"\s*$/>

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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TenTec\]\s+Argonaut\s+509\s+sidetone\s+\"pop\"\s*$/: 5 ]

Total 5 documents matching your query.

1. [TenTec] Argonaut 509 sidetone "pop" (score: 1): Author: g p <n2wjw@yahoo.com>; Date: Thu, 8 Oct 2009 15:22:03 -0700 (PDT); My 509 makes a "pop" everytime I key either a dot or a dash and it happens only with an electronic keyer and not with a key or a bug and the pop happens with any electronic keyer I have tried. Is t; /archives//html/TenTec/2009-10/msg00077.html (6,735 bytes)
2. Re: [TenTec] Argonaut 509 sidetone "pop" (score: 1): Author: Ed - K9EW <k9ew57@gmail.com>; Date: Fri, 9 Oct 2009 22:23:20 -0500; Hi Gil, Yes, the T/R switching line in the 509 really wants to see a good solid ground for proper operation. I've had to try various keyer output transistors to get decent operation. No problem with; /archives//html/TenTec/2009-10/msg00094.html (8,462 bytes)
3. Re: [TenTec] Argonaut 509 sidetone "pop" (score: 1): Author: Ed <w3nr@comcast.net>; Date: Sat, 10 Oct 2009 07:32:02 -0400; I ended up using a reed relay on my 509. HTH Ed W3NR _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec; /archives//html/TenTec/2009-10/msg00099.html (8,253 bytes)
4. Re: [TenTec] Argonaut 509 sidetone "pop" (score: 1): Author: Ed <autek@comcast.net>; Date: Sat, 10 Oct 2009 07:29:48 -0400; I ended up using a reed relay on my 509. HTH Ed W3NR _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec; /archives//html/TenTec/2009-10/msg00107.html (8,166 bytes)
5. Re: [TenTec] Argonaut 509 sidetone "pop" (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Sun, 11 Oct 2009 12:35:23 -0600; A power MOSFET (like the IRF-510, RS# 276-2072) with 5 to 10 volts of gate drive will have a saturation voltage of less than 20 millivolts while the bipolar will do hard to get that drop to less than; /archives//html/TenTec/2009-10/msg00115.html (9,040 bytes)

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