Aren't those just virtual widgets that you stitch together in a software package drop some pins down and download to your FPGA ?
You'd have to be old enough to know they started as silicon, I'm sure I can find the masks or some bare dies for those here at work (*wink*). 73 Matthew VK5ZM On 14 October 2016 at 07:41, Roger Dixon <li...@irdixon.plus.com> wrote: > Thanks for the comments. I now have a prototype solution running with a > 4027 and a 4528 !! > 73 > Roger > > -----Original Message----- > From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of > Edward > R Cole > Sent: 11 October 2016 05:50 > To: Elecraft@mailman.qth.net > Subject: Re: [Elecraft] Interlocking two K3 > > The simple fix is to move the 470-ohm resistors to be inserted between > pin-1 > and Pin-7. The resistor is used to limit current draw when pin-7 is > grounded (inhibiting Tx). With pin-10 directly connected to pin-7, pin-7 > will go directly to low when pin-10 does. > > If you want a little more insurance that current goes the correct direction > add a diode pointing toward pin-10 from pin-7. > > I am using inhibit with my station sequencer (except with the opposite > logic: INH=HI): > http://www.kl7uw.com/TX-INHIBIT.htm > also added a little more band logic for use with transverters and disables > inhibit with HF. > > 73, Ed - KL7UW > > ----------------- > From: "Val" <v...@vip.bg> > To: <elecraft@mailman.qth.net> > Subject: Re: [Elecraft] Interlocking two K3 > Message-ID: <835760C8560A48D18E811EB243F91E3E@OFFICE> > Content-Type: text/plain; format=flowed; charset="iso-8859-1"; > reply-type=original > > Charlie, how this could work after there is no way the TX Inh inputs to be > pulled down? > > 73, Val LZ1VB > > > Roger: > > Look at: > > > > http://www.kkn.net/~n6tv/SimpleElecraftK3SO2RLockoutCircuit.pdf > > > > I belive it's different than the one you described in your email. > > I've > > used this one successfully. > > > > 73 charlie, k1xx > > > 73, Ed - KL7UW > http://www.kl7uw.com > "Kits made by KL7UW" > Dubus Mag business: > dubus...@gmail.com > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message > delivered to li...@irdixon.plus.com > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2016.0.7797 / Virus Database: 4656/13187 - Release Date: 10/10/16 > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2016.0.7797 / Virus Database: 4656/13188 - Release Date: 10/11/16 > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to vk...@bistre.net > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
