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On-Chip di/dt Detector Circuit
Toru NAKURA Makoto IKEDA Kunihiro ASADA
IEICE TRANSACTIONS on Electronics
Publication Date: 2005/05/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Microelectronic Test Structures)
di/dt detector, mutual inductor, spiral inductor, parasitic inductance, power supply noise,
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This paper demonstrates an on-chip di/dt detector circuit. The di/dt detector circuit consists of a power supply line, an underlying spiral inductor and an amplifier. The mutual inductor induces a di/dt proportional voltage, and the amplifier amplifies and outputs the value. The measurement results show that the di/dt detector output and the voltage difference between a resistor have good agreement. The di/dt reduction by a decoupling capacitor is also measured using the di/dt detector.