[Elecraft] Automatic 1:1/4:1 Balun switching under K3 control?

[k4tmc at aol.com]

David,

Not to worry...I am sure someone will develop a mod to change the BL2 
to a BL3.

73,
Henry - K4TMC


-----Original Message-----
From: David Ferrington, M0XDF <M0XDF at Alphadene.co.uk>
To: wayne burdick <n6kr at elecraft.com>
Cc: Elecraft Reflector <elecraft at mailman.qth.net>
Sent: Thu, 20 Dec 2007 3:21 pm
Subject: Re: [Elecraft] Automatic 1:1/4:1 Balun switching under K3 
control?










I just bought a BL2 with my K3 - why wasn't there a BL3 then!
HiHi

I'd be interested, especially if the KAT3 worked the relay when tuning 
too


On 20/12/07 20:00, "wayne burdick" <n6kr at elecraft.com> sent
> You've also given me an idea for a "BL3": Same as the BL2 but with a
> relay rather than a switch for selecting 1:1 vs. 4:1. We could then 
use
> one of the K3's spare output lines (say DIGOUT1) to switch the relay
> under firmware control, per-band. There would be one wire running from
> the AUX I/O connector to the BL3, and you'd need to power the relay
> from the K3's switched 12 VDC accessory output.
>
> If this is of interest, I'll ask the BL2's designer to take a look at
> it. I have the same problem myself, so I already want two :)
--
DonŒt complain. Nobody will understand. Or care. And certainly donŒt try
to fix the situation yourself. ItŒs dangerous. Leave it to a highly
untrained, unqualified, expendable professional.


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