The invention provides a filter circuit comprising inductors (6, 15) and capacitors (11) interconnected to form filter stages, the capacitors (11) being distributed over at least two printed circuit cards (7, 8) disposed facing each other and spaced apart by a gap (H), at least one inductor (15) extending...http://www.google.co.uk/patents/US6958666?utm_source=gb-gplus-sharePatent US6958666 - Filtering circuit and power supply device equipped with same
