[Elecraft] K3_CW_Data_Mode

[Joe Subich, W4TV]

> Except that that produces full output power, where I want 
> "CONFIG:TUN PWR" (which is not not "nor").

You notice my proposal to use the ATU Tun (tap) to start the 
tuning process and use the Tun Pwr setting.  That resolves the 
power level issue. 

73, 

   ... Joe, W4TV 
 



> -----Original Message-----
> From: dseven at dseven.org [mailto:dseven at dseven.org] On Behalf 
> Of Iain MacDonnell - N6ML
> Sent: Wednesday, December 30, 2009 4:54 PM
> To: lists at subich.com
> Cc: Mike K2MK; elecraft at mailman.qth.net
> Subject: Re: [Elecraft] K3_CW_Data_Mode
> 
> 
> On Wed, Dec 30, 2009 at 1:28 PM, Joe Subich, W4TV 
> <lists at subich.com> wrote:
> >
> >
> >>  A while back, I made a suggestion to Wayne that perhaps the "TX 
> >> inhibit" pin on the ACC port could be given another purpose
> >> - to invoke "TUNE".  I envisaged a new config setting like 
> "CONFIG:TX 
> >> INH" = "HI=Tun" or "LO=Tun". Wayne seemed to think it wasn't a bad 
> >> idea, but would be very low priority, based on demand.  It 
> seems like 
> >> this model may work for the Quadra application too, without having 
> >> researched it at all.
> >
> > While repurposing the "TX Inh" pin has appear for 
> non-Quadra users, it 
> > is a step backward when the Quadra or FL-7000 is used since both of 
> > those amplifiers utilize the inhibit input ("Linear" in most Yaesu 
> > manuals).
> 
> OK.
> 
> 
> > If an antenna tuner has an output that holds causes the 
> transceiver to 
> > generate a carrier, there is no reason that it can't be tied to the 
> > "key" jack as long as the K3 will generate a carrier 
> whenever the Key 
> > jack is closed.
> 
> Except that that produces full output power, where I want 
> "CONFIG:TUN PWR" (which is not not "nor").
> 
>     ~Iain / N6ML
> 
> 
> 
> > If DigOut 0 could be used to generate a 750 ms (greater than 600
> > msec) contact closure to ground if ATU Tune is pressed when 
> the KAT3 
> > is not fitted or is turned off - preferably on a per 
> antenna, per band 
> > basis, and set the power level to the "Tune" level for that 
> > transmission only - if the Key In jack generated a carrier on all 
> > modes, the K3 would be instantly compatible with any tuner 
> that used 
> > the Icom AH-3/AH-4 interface and could use the ATU Tune button to 
> > initiate tuning.
> >
> > 73,
> >
> >   ... Joe, W4TV
> >
> >
> >
> >
> >> -----Original Message-----
> >> From: dseven at dseven.org [mailto:dseven at dseven.org] On 
> Behalf Of Iain 
> >> MacDonnell - N6ML
> >> Sent: Wednesday, December 30, 2009 3:02 PM
> >> To: lists at subich.com
> >> Cc: Mike K2MK; elecraft at mailman.qth.net
> >> Subject: Re: [Elecraft] K3_CW_Data_Mode
> >>
> >>
> >> On Wed, Dec 30, 2009 at 6:42 PM, Joe Subich, W4TV 
> <lists at subich.com> 
> >> wrote:
> >> >
> >> >
> >> >> The K3 tune button already works in Data mode. At least 
> in AFSK A. 
> >> >> Did I misunderstand the question?
> >> >
> >> > Yes, you misunderstood the purpose of the question.
> >> >
> >> > The Yaesu Quadra provides a contact closure when the T-F
> >> Set button on
> >> > the Quadra is pressed.  The T-F button causes the Quadra 
> tuner to 
> >> > retune, etc. if it is pressed and the amplifier gets at
> >> least 75 Watts
> >> > drive.
> >> >
> >> > If the K3's "Key" (straight key) input were active in data
> >> modes, the
> >> > T-F output from the Quadra could be connected to the Key
> >> jack and the
> >> > K3/Quadra interaction would be fully automatic (if one used
> >> the N0SS
> >> > designed cable) just as it is with any of the Yaesu transceivers.
> >> >
> >> > Unfortunately, the K3 does not have an unused DigIn line
> >> that could be
> >> > used as a dedicated "T-F input" but enabling the Key 
> input in all 
> >> > remaining modes (Data, AM, and FM) would be an entirely
> >> satisfactory
> >> > solution.  If closing that contact were to use "Tune PWR" in 
> >> > Data/AM/FM, it would be icing on the cake.
> >>
> >> I have an automatic antenna tuner that can "tell" the rig when to 
> >> transmit, for retuning purposes. A while back, I made a 
> suggestion to 
> >> Wayne that perhaps the "TX inhibit" pin on the ACC port could be 
> >> given another purpose - to invoke "TUNE".  I envisaged a 
> new config 
> >> setting like "CONFIG:TX INH" = "HI=Tun" or "LO=Tun". Wayne 
> seemed to 
> >> think it wasn't a bad idea, but would be very low 
> priority, based on 
> >> demand. It seems like this model may work for the Quadra 
> application
> >> too, without having researched it at all. If there's enough
> >> demand, maybe it could be reprioritised...
> >>
> >>     ~Iain / N6ML
> >
> >