PHYSICAL QUANTITY SENSING APPARATUS HAVING AN INTERNAL CIRCUIT, A FILTER CIRCUIT HAVING RESISTORS, POWER SUPPLY, GROUNDING, AND OUTPUT PADS, WITH THE LENGTH AND WIDTH OF WIRING BETWEEN THE OUTPUT OR POWER SUPPLY PAD AND THE INTERNAL CIRCUIT SET SO THAT THE RESISTANCE OF RESISTORS AND THE PARASITIC RESISTANCE COMPONENT OF THE WIRING SATISFY A CERTAIN RELATIONAL EXPRESSION

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United States of America Patent

SERIAL NO

12687392

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Abstract

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Also, the length and the width of the wiring between the output or power supply pad and the capacitor(s) and the length and the width of the wiring between the capacitor(s) and the grounding pad are adjusted so that the impedance Za caused by the parasitic resistance component Ra and the inductance component La of the wiring between the output or power supply pad and the capacitor(s), the impedance Zk caused by the parasitic resistance component Rk and the inductance component Lk of the wiring between the capacitor(s) and the grounding pad, and the impedance Zc caused by the capacitance component of the capacitor(s) always satisfy the relational expression Za+Zk

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Patent Owner(s)

Patent OwnerAddress
FUJI ELECTRIC DEVICE TECHNOLOGY CO LTD1-11-2 OSAKI SHINAGAWA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
UEMATSU, Katsuyuki Hata-machi, JP 20 108
UEYANAGI, Katsumichi Matsumoto, JP 41 436

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