[HCRA] 6:1 Current Balun - Looking for Construction Information

[Rick Lindquist, WW3DE]

>I'm too cheap to buy one

A true ham!

You're right, George. The ARRL Antenna Book dances about the subject of 1:6
ratio baluns, but it also says that you could use a 1:4 balun for the sort
of OCF antenna you're describing and, I'd guess, without much degradation in
performance. It might require using a tuner before the transmitter to
compensate for any mismatch. There are details out there somewhere for a
6:1, however. Just can't recall where I've seen them.

73, Rick, WW3DE (ex-N1RL)


-----Original Message-----
From: hcra-bounces at mailman.qth.net [mailto:hcra-bounces at mailman.qth.net] On
Behalf Of George Collins
Sent: Saturday, December 03, 2011 11:57 PM
To: HCRA Mailing List
Subject: [HCRA] 6:1 Current Balun - Looking for Construction Information

______________________________________________
-------Hampden County Radio Association-------
-----------e-mail list (reflector)-------------
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Hello,

I'm looking for construction details for a 6:1 current balun.  I would like 
to try an OFC dipole design that was published in QST some years back, but 
it requires a 6:1 balun and I'm too cheap to buy one from DX Engineering or 
one of the other vendors.  Besides, I may start with small cores for QRP 
power levels; if it doesn't work out I may not want to invest in a 
high-power balun.

I've looked through the ARRL literature and Googled various subjects but 
didn't come with anything on a current-type balun.

Any help will be very appreciated.

vy 73,

George, KC1V 

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