Printed circuit transformer hybrids for RF mixers

Details Printed circuit transformer hybrids for RF mixers Printed circuit transformer hybrids for RF mixers

1997-03-12

1999-06-29

Pascal, Robert

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333 25, 455327, 455330, H04B 303, H03H 748

Patent

active

059173866

ABSTRACT:
A high frequency partial transformer hybrid includes a first divided circular conductive element affixed to one side of an insulated substrate and a second split circular conductive element affixed to the other side of the substrate juxtaposed to the first element. Plated-through holes in the substrate interconnect pads on the first and second elements. Connection tabs on the elements are adapted to be connected to conductors on a printed circuit board when the substrate is orthogonally supported in a rectangular recess in the substrate. In a transformer hybrid embodiment, a third continuous circular conductive element is supported on an additional substrate in alignment with and insulated from the second element. The third element also includes connection tabs that are connectable to the conductors on the printed circuit board.

REFERENCES:
patent: 4992769 (1991-02-01), Oppelt
patent: 5307518 (1994-04-01), Maeda et al.
patent: 5650756 (1997-07-01), Hayashi

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