Quote:
Originally Posted by G6Tanuki
Of course some receivers used mechanically-variable spacing of the IFT windings so you could choose between a sharp peak, something a bit flatter/wider, or the double-humped wider bandwidth ...
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Eddystone used this arrangement in several of its receivers. I have an S750 - double superhet - that has a front panel control which varies the spacing between the primary and secondary windings in each of the two LF IFTs.
Peter
G3PIJ