[Lowfer] Re: Triflier Core Winding

[Alberto di Bene]

John Andrews wrote:

> Bifilar (2 twisted wires), trifilar (3) and quadrifilar (4) transformers
> provide low-loss broadband impedance transformation. The impedance ratio is
> the square of the number of turns in the winding. So you get 4:1 for
> bifilar, 9:1 for trifilar, etc.

Uhhhh ? If I wind a bifilar transformer, using one of the two wires as primary,
and the other as secondary, what I get is 1:1 impedance ratio.... not 4:1....

73  Alberto  I2PHD