[Elecraft] PR6 Clarification

Tue Apr 16 09:54:51 EDT 2013

On Tue, Apr 16, 2013 at 5:31 AM, Jim Miller <jim at jtmiller.com> 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 <fcady at ece.montana.edu> 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:* jtmiller47 at gmail.com [mailto:jtmiller47 at gmail.com] *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 <fcady at ece.montana.edu> 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: elecraft-bounces at mailman.qth.net [mailto:elecraft-****
>>
>> > bounces at mailman.qth.net] 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: elecraft-bounces at mailman.qth.net [mailto:elecraft-
>> > > bounces at mailman.qth.net] 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 <tposey at nettally.com>
>> > > 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:Elecraft at mailman.qth.net
>> > >
>> > > 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:Elecraft at mailman.qth.net
>> >
>> > 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:Elecraft at mailman.qth.net
>>
>> 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:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html