Reg Edwards wrote:
If it was a fixed 1-to-1 transformer and one end was terminated with
Zx, then the input impedance at the other end would also be fixed at
Zx. But it isn't!

It is for cases where Zx = Z0. The impedance seen looking
into my no-tuner feedline system is between 32+j0 ohms and
80+j0 ohms on all HF bands. On a couple of HF bands the
measured SWR is 1:1 and of course, under those conditions,
the impedance at both ends of the 1:1 balun/choke is fixed
at Zx = Z0 = 50 ohms.
--
73, Cecil http://www.qsl.net/w5dxp

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