Low noise power transformer

Details Low noise power transformer Low noise power transformer

2006-03-07

2006-03-07

Nguyen, Tuyen T (Department: 2832)

Inductor devices

Coils of special configuration

Toroidal

Reexamination Certificate

active

07009486

ABSTRACT:
A printed circuit board transformer has primary and secondary windings. The transformer includes a printed circuit board having a plurality of traces forming a plurality of first portions of the primary and secondary windings, an annular magnetic core adjacent to the printed circuit board, and a plurality of second portions of the primary and secondary windings. The second portions are formed from conductors enlacing the core.

REFERENCES:
patent: 3453574 (1969-07-01), Parry
patent: 3898595 (1975-08-01), Launt
patent: 4342976 (1982-08-01), Ryser
patent: 4536733 (1985-08-01), Shelly
patent: 4755783 (1988-07-01), Fleischer et al.
patent: 4777465 (1988-10-01), Meinel
patent: 5543773 (1996-08-01), Evans et al.
patent: 5966294 (1999-10-01), Harada et al.
patent: 6188305 (2001-02-01), Chang et al.

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