In the Early days we used a NE-2 for front end Protection….. Ray WA6VAB K3
From: Frank Krozel Sent: Tuesday, June 29, 2021 9:33 AM To: [email protected] Cc: Elecraft Reflector Subject: Re: [Elecraft] K2 / ESD / Diodes D16 7 D17 replaced Don as usual “Thank you” Sincerely, Frank Krozel t: 1-630-924-1600 [email protected] BSEE, AASEET, FCC Lic.# PG-18-19178, KG9H Electronic Instrument Associates - Central, Inc. ...since 1971 w: www.electronicinstrument.com d/l our linecard at http://www.electronicinstrument.com/lc.pdf > On Jun 29, 2021, at 11:25 AM, Don Wilhelm <[email protected]> wrote: > > Frank, > > Yes, you still need to disconnect. The polyphasers protect against large > spikes, but smaller ones get through. > > 73, > Don W3FPR > >> On 6/29/2021 11:10 AM, Frank Krozel wrote: >> Folks after Field day with another manufacturer’s radio, I have a new to me >> K2/100 coming in two days to use as my “small” contest radio. >> Short story, after using another QRP radio for an hour, I placed a K2/10 in >> its slot. Contacts flowed for the next three hours and my headache went >> away! >> Love the K2. (had them since 2000.) >> >> New story, the K2/100 has had it’s D16 & D17 replaced (thank you Don) so >> that is not going to be a problem moving forward. >> >> I have two Polyphasers in line and wonder if I have to disconnect from the >> coax line anymore. >> Also, curious, I worked on a K3 in the past and it had a BIG protector in >> it, cannot recall where but it was attached across the coax input if I >> recall. >> >> Is there any need to disconnect anymore with the two Polyphasers in line? >> Should I think of adding the BIG protector i saw in a K3 a few years back? >> >> Yes I know we “should” disconnect but sometimes we all forget. >> >> > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
