[Anode]

Do the very basic(~$10) rabbit ears + loop (vhf/uhf) type of antennas have a band seperator in them ? Or are the two elements just hotwired in parallel ? The reason I am asking because I see that Terk sepcifically mentions that it has a band seperator in its specs, but I dont see any other manufacturer mention that.


Also, I was curious what exactly are those "tuning knobs" on some antennas, like this one -

http://www.consumer.philips.com/cons...nna+SDV2270-27


What do they really do ? How do they work behind the scene ? Is there some kind of impedance matching/tuning going on ?

 

[Falcon_77]

I'm quite certain that my $10 RCA ANT115 does not. Changing the rabbit ears lengths affects UHF reception.


The Terk HDTVi seems to have a diplexer. Changing the rabbit ear lengths on that doesn't seem to affect UHF.