[Elecraft] Antenna question - Balun

[EricJ]

You can. Somewhere on the web I saw one set up with a little DPDT slide
switch, but I can't find it now that I want it. Hi.

Anyway, it's not that difficult as you have already discovered.

Eric
KE6US
www.ke6us.com 

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Mike W
Sent: Sunday, August 21, 2005 4:03 PM
To: Robert Tellefsen; elecraft at mailman.qth.net
Subject: RE: [Elecraft] Antenna question - Balun



On 21 Aug 2005 at 8:40, Robert Tellefsen wrote:

> Two things will make matching easier.  Get two baluns, 1:1 and 4:1.  
> Put them on the two antenna ports of the ATU

Looking at the two versions of the BL1 for 1:1 and 4:1 Can you not use a
2pco ( dpdt ) switch or relay to change between the two ?.

Commons to the two inner windings ( see BL1.pdf ).
 Short them for interconnect on the NO connections for 4:1  Parallel them on
the NC connections for 1:1.

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