Balun transformer

Details Balun transformer Balun transformer

1978-06-22

1980-03-11

Gensler, Paul L.

Wave transmission lines and networks

Coupling networks

Balanced to unbalanced circuits

333246, 455326, H01P 510

Patent

active

041930487

ABSTRACT:
A balun transformer of conductor material formed on a printed circuit board substrate is fabricated of a pair of conductor lengths, each having first and second ends. The conductors are located on opposite sides of the printed circuit board, each with its first end adjacent its second end. In the preferred embodiment this is achieved by forming the conductor in a circular, or doughnut, configuration with the ends adjacent but slightly spaced from each other. The first ends of the conductors are located opposite each other, i.e., with one of the conductors rotated slightly with respect to the other, to enable conductor means extending through the printed circuit board to interconnect the first conductor ends. With the conductors thereby formed, an unbalanced connection can be established between the first end of one of the conductors and a second end of the other conductor, while a balanced connection can be established between the second ends of the conductors.

REFERENCES:
patent: 3678418 (1972-07-01), Woodward

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