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Inventor
VAN UDEN ALBERTUS J P M
NL
2 patents
Patents
2 patents
US4430609A
Feb 7, 1984
Signal transfer device having a transfer characteristic which is adjustable in steps
PHILIPS CORP
20 citations
78
US4509021A
Apr 2, 1985
Circuit for amplifying and/or attenuating a signal
PHILIPS CORP
20 citations
66