The device is stated to have toroid cores on each side of the line conductor so as to provide a DC short to the antenna side of the box. On the transmit side, it may be AC coupled, which is fine when the right size cap is used for RF. The cores with their windings act as RF chokes while allowing a DC bleed off for any antenna charge.
There was a similar device, (maybe the same reviewed in QST (?CQ) with a photo of the inside and it had pretty much the same circuit. Think that was last year or the year before. -Stuart K5KVH _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
