Front end protection
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I am surprised that you think it is not possible to accidentally set the
bandpass filter to the wrong band or have an automatic switching relay fail, have a control wire pull out or just plain cockpit error after operating sleep deprived? W0MU has a good point, if you're operating away from home like many of us do it could be a nice feature. John KK9A (WP2AA next week) WILLIE BABER said: Tue Feb 21 20:43:05 EST 2017 I replaced that diode in my K3 with instructions from an Elecraft technican-person. I also at the point purchased bandpass filters so that I didn't have to worry about that happening again. 73, Will, wj9b CWops #1085 CWA Advisor levels II and III http://cwops.org/ -------------------------------------------- On Tue, 2/21/17, W0MU Mike Fatchett <w0mu at w0mu.com> wrote: Subject: Re: [Elecraft] Front end protection To: elecraft at mailman.qth.net Date: Tuesday, February 21, 2017, 5:34 PM Most everyone missed the point. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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My only point John is that replacing that diode with instructions for Elecraft is not at all difficult to do.
73, Will, wj9b CWops #1085 CWA Advisor levels II and III http://cwops.org/ -------------------------------------------- On Wed, 2/22/17, [hidden email] <[hidden email]> wrote: Subject: [Elecraft] Front end protection To: [hidden email] Date: Wednesday, February 22, 2017, 5:20 AM I am surprised that you think it is not possible to accidentally set the bandpass filter to the wrong band or have an automatic switching relay fail, have a control wire pull out or just plain cockpit error after operating sleep deprived? W0MU has a good point, if you're operating away from home like many of us do it could be a nice feature. John KK9A (WP2AA next week) WILLIE BABER said: Tue Feb 21 20:43:05 EST 2017 I replaced that diode in my K3 with instructions from an Elecraft technican-person. I also at the point purchased bandpass filters so that I didn't have to worry about that happening again. 73, Will, wj9b CWops #1085 CWA Advisor levels II and III http://cwops.org/ -------------------------------------------- On Tue, 2/21/17, W0MU Mike Fatchett <w0mu at w0mu.com> wrote: Subject: Re: [Elecraft] Front end protection To: elecraft at mailman.qth.net Date: Tuesday, February 21, 2017, 5:34 PM Most everyone missed the point. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by john@kk9a.com
Trying to change out a SMD part on a DXpedition is not easy. In my
case I am not sure that D25 is the problem. Sure I could pull that part out only if I had thought to order some and bring along along with the proper tools to resolder a tiny part. I am asking for a simple field solution such as a socket where you can insert or remove a diode, etc or even a complete protection module for a reasonable price that could be simply removed and a new one plugged in. W0MU On 2/22/2017 6:20 AM, [hidden email] wrote: > I am surprised that you think it is not possible to accidentally set the > bandpass filter to the wrong band or have an automatic switching relay > fail, have a control wire pull out or just plain cockpit error after > operating sleep deprived? W0MU has a good point, if you're operating away > from home like many of us do it could be a nice feature. > > John KK9A (WP2AA next week) > > WILLIE BABER said: > Tue Feb 21 20:43:05 EST 2017 > > I replaced that diode in my K3 with instructions from an Elecraft > technican-person. I also at the point purchased bandpass filters so that I > didn't have to worry about that happening again. > > > 73, Will, wj9b > > CWops #1085 > CWA Advisor levels II and III > http://cwops.org/ > > -------------------------------------------- > On Tue, 2/21/17, W0MU Mike Fatchett <w0mu at w0mu.com> wrote: > > Subject: Re: [Elecraft] Front end protection > To: elecraft at mailman.qth.net > Date: Tuesday, February 21, 2017, 5:34 PM > > Most everyone missed the > point. > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [hidden email] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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