[Boatanchors] Link coupling?

[Brian Carling]

Stephen, link coupling can be harder to set up.

There are a lot more articles out there that help you with 
tried-and-true component values for an HF PI network final.
Perhaps that is why it seems easier. Bandswitching is  a lot easier to set up with a 
PI-network.

I had an ELDICO TR75 transmitter at one time. It used a 1625 
final, I think, with link coupling plus an extra coupling coil behind 
a supposed TVI shield(!) - well, I never could get more than about 
16 watts out of the thing, and so I just converted it very simply to 
a PI network adding a different (larger) loading cap.
Right away I could easily get 30-35 watts from the same 
transmitter and had loads of fun making contacts, mostly on 
40m CW with it.

Now THAT was a cool boatanchor!

Some folks LOVE link coupling. Personally I don't!
I am sure we all have different experiences though.

Brian, AF4K

On 16 Jan 2006 at 9:00, StephenTetorka at cs.com wrote:

> Hi all:
> 
> What is the efficiency of a HF link coupled RF output?
> 
> How does it compare in efficiency to a Pi circuit output?
> 
> Tnx,
> Steve
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