Hey, Ian (and others), What do you think about having the PR6 powered-up and controlled-on with DIGOUT1 while on another band with RX ANT not enabled? It looks like the PR6 input and outputs are floating. Do you think that is a problem for the PR6?
Fred Fred Cady fcady at ieee dot org > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of iain > macdonnell - N6ML > Sent: Tuesday, April 16, 2013 7:55 AM > To: Jim Miller > Cc: Cady, Fred; Elecraft Reflector > Subject: Re: [Elecraft] PR6 Clarification > > On Tue, Apr 16, 2013 at 5:31 AM, Jim Miller <[email protected]> wrote: > > It seems like it would be an easy thing to implement in the KPA500. > Per > > Band Standby. > > Good idea - why didn't I think of it? Oh, wait, I did :) > > http://elecraft.365791.n2.nabble.com/KPA500-feature-suggestion-band- > bypass-td6247211.html > > Hasn't transpired so-far, though.... > > 73, > > ~iain / N6ML > > > > On Mon, Apr 15, 2013 at 11:18 PM, Cady, Fred <[email protected]> > wrote: > > > >> Hi Jim,**** > >> > >> What I'd like to be able to do is to disable the amp on some bands > (e.g. > >> 30 m), by asserting (low) DIGOUT1 (and setting KPA500 INHIB IN to > ENABLE) > >> but to have the amp enabled for 6m when DIGOUT1 is low to turn on > the PR6. > >> I'm just lazy, that's all. Plus it's fun to think about!**** > >> > >> Cheers,**** > >> > >> Fred**** > >> > >> ** ** > >> > >> ** ** > >> > >> Fred Cady > >> fcady at ieee dot org **** > >> > >> *From:* [email protected] [mailto:[email protected]] *On > Behalf Of *Jim > >> Miller > >> *Sent:* Monday, April 15, 2013 8:52 PM > >> *To:* Cady, Fred > >> > >> *Cc:* Elecraft Reflector > >> *Subject:* Re: [Elecraft] PR6 Clarification**** > >> > >> ** ** > >> > >> I'm not getting the importance of a Pin 11 solution. I just disable > the > >> KPA500 sensing of that pin by the menu selection. I don't see the > need for > >> it.**** > >> > >> **** > >> > >> I'm definitely running the KPA500 on 6m.**** > >> > >> **** > >> > >> If for some strange reason Pin 11 is asserted it just causes the > KPA500 to > >> be inhibited, not turned on, which is a failsafe direction.**** > >> > >> **** > >> > >> 73**** > >> > >> **** > >> > >> jim ab3cv**** > >> > >> ** ** > >> > >> On Mon, Apr 15, 2013 at 9:50 PM, Cady, Fred <[email protected]> > wrote: > >> **** > >> > >> Ahh, looking back at my notes I see the other solution would be to > make > >> the KPA500 INHIBIT IN be per/band. But you would still have to take > care of > >> not turning on the PR6 when DIGOUT1 is low with some external logic > if you > >> cared about that. > >> > >> KE7X**** > >> > >> > >> Fred Cady > >> fcady at ieee dot org**** > >> > >> > -----Original Message----- > >> > From: [email protected] [mailto:elecraft-**** > >> > >> > [email protected]] On Behalf Of Cady, Fred > >> > Sent: Monday, April 15, 2013 7:42 PM > >> > To: 'Elecraft Reflector' > >> > Subject: Re: [Elecraft] PR6 Clarification > >> > > >> > K4RX's inhibit line inhibiter for pin 11 is the same idea as the > >> > keyline inhibiter for pin 10. However, it is not really needed > because > >> > one can set the KPA500 INHIB IN menu to DISABLE so a low on pin 11 > will > >> > not inhibit the amp accomplishing the same thing as pulling pin 11 > from > >> > the connector. Of course pulling the pin is a fail-safe solution. > What > >> > is really needed is some logic that blocks pin 11 from the KPA for > 6m > >> > (assuming you want the amp on for 6) and passes it for the other > bands. > >> > That way you could inhibit the amp on, say, 30 m or other bands > where > >> > there might not be a good match. I worked up a circuit to do this > once > >> > upon a time and should dust it off again. > >> > 73, > >> > Fred > >> > > >> > > >> > Fred Cady > >> > fcady at ieee dot org > >> > "The Elecraft K3: Design, Configuration, and Operation Second > Edition" > >> > > >> > BTW, www.Lulu.com has a 20% discount (APRILBOOKS13) good this > month and > >> > 15% off (POURING) until April 19th. > >> > > >> > > -----Original Message----- > >> > > From: [email protected] [mailto:elecraft- > >> > > [email protected]] On Behalf Of Jim Miller > >> > > Sent: Monday, April 15, 2013 7:25 PM > >> > > To: Terry Posey > >> > > Cc: Elecraft Reflector > >> > > Subject: Re: [Elecraft] PR6 Clarification > >> > > > >> > > I believe the Key line interrupter interrupts pin 10 rather than > pin > >> > 11 > >> > > after reviewing the K3 and KPA manual. I don't use the Pin 11 > option > >> > on > >> > > the > >> > > KPA (it's disabled) rather use the keyline interrupter and RCA > jack > >> > > cabling > >> > > to interface all the keying interruption which includes my > antenna > >> > > switch. > >> > > > >> > > Thanks for your concern and don't hesitate to correct me if I've > made > >> > > an > >> > > incorrect assessment. > >> > > > >> > > 73 > >> > > > >> > > jim ab3cv > >> > > > >> > > > >> > > On Mon, Apr 15, 2013 at 9:06 PM, Terry Posey > <[email protected]> > >> > > wrote: > >> > > > >> > > > Hi Jim - > >> > > > > >> > > > You are well on your way to 6m success with the > >> > K3/KPA500/KAT500/PR6 > >> > > line > >> > > > up. However, there is one more issue you will need to address > in > >> > > your > >> > > > cabling system. The K3's Digout1 signal is asserted on the > PIN 11 > >> > of > >> > > the > >> > > > AUX cable. That presents a conflict with the KPA500 INHIBIT > on PIN > >> > > 11 on > >> > > > the cable bus between the K3, PR6, KPA500, and KAT500. PIN 11 > >> > needs > >> > > to be > >> > > > "interrupted" before passing the Digout1 signal onto the > KPA500 and > >> > > KAT500, > >> > > > yet still sending the PIN 11 Digout1 signal to the PR6. > >> > > > > >> > > > I purchased a HD15 male/female "port saver" adapter from the > Web > >> > ($5) > >> > > and > >> > > > removed PIN 11 with pliers. Install the "Y" cable at the K3 > ACC > >> > > port, then > >> > > > connect the PR6 to one side of the "Y" cable. Install the PIN > 11 > >> > > > interrupter "port saver" adapter on the other side of the "Y" > cable > >> > > and > >> > > > attach the HD15 cable connections to the KPA500 and the > KAT500. > >> > > > > >> > > > I hope this helps. > >> > > > > >> > > > 73, > >> > > > Terry K4RX > >> > > > > >> > > > > >> > > > I'm just getting going on 6m with my K3/KPA500/KAT500. I'm > getting > >> > > ready to > >> > > > order a M2 6M5XHP. My feedline consists of 150ft of LDF5-50 to > the > >> > > tower > >> > > > then about 40ft of Buryflex in the tower run and various > pigtails. > >> > So > >> > > my > >> > > > feedline losses should be relatively low. > >> > > > > >> > > > Based on various threads I've decided to go ahead and get the > PR6 > >> > but > >> > > want > >> > > > to make sure I understand how to use it. It appears that it is > >> > > bypassed > >> > > > completely by the K3 on the transmit path to the KPA100 which > then > >> > > goes to > >> > > > the KPA500 and KAT500 then to the antenna. > >> > > > > >> > > > On receive the path back from the KPA/KAT is passed thru the > PR6 > >> > > > automatically as long as it is powered and the RXAnt is > selected > >> > for > >> > > 6m. > >> > > > > >> > > > So no fancy additional cabling required other than > Power/Digout1 > >> > and > >> > > the > >> > > > RXin/RXout pair. > >> > > > > >> > > > My Beverages will just connect now through the PR6 supplied > input. > >> > > > > >> > > > All good? > >> > > > > >> > > > Jim ab3cv > >> > > > > >> > > > > >> > > > > >> > > ______________________________________________________________ > >> > > 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 > >> > ______________________________________________________________ > >> > 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 > >> ______________________________________________________________ > >> 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**** > >> > >> ** ** > >> > > ______________________________________________________________ > > 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 ______________________________________________________________ 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
