Receiving active loops

[admin]

Some from our club were thinking about active Rx loops, and so here are a couple of easily constructed ideas:

https://www.qsl.net/m0ayf/G8CQX-Loop-antenna.html



Then here are some designs for easy experiment:
(Click any pic to enlarge.)

loop3a.jpg

loop3.jpg

And then here's a newer design, balanced, and I suspect better suppression of a common mode signal, leaving the loop's directional properties?

loop2.jpg

And the loop can always be tuned, as in:

one-BPT_loop.jpg

Loops never seem to go away, and are fine space savers. Let's see your favorite loop here. It's easy and free to post....
Just hit that Reply button!…login to view the rest of this post