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Electromagnetic radiation is strongly related to power integrity of digital electronic systems. In order to estimate power supply noise exactly, chip-package-board co-design becomes more important to estimate the properties of chip-package anti-resonance. In particular, power supply noise is very sensitive to Q factor value of the anti-resonance. In this paper, three test chips were designed with...
This paper shows a methodology to reduce electromagnetic radiation in typical CMOS digital systems from chip PDN design point of view. Total PDN property with anti-resonance peak can be strongly affected by on-die PDN property. Then, in order to suppress anti-resonance peak in total system PDN, design of chip PDN is more effective than off-chip damping method. Then, two similar test chips were designed...
Power supply noise has been becoming critical in advanced CMOS digital systems, because power supply noise induces false logic operation and instability. Especially, anti-resonance peaks in power distribution network (PDN) due to the chip-package interaction induce the unwanted power supply fluctuation. In this paper, power supply noises and total impedances of power distribution network (PDN) for...
Electromagnetic radiation is always headachy issue in developing various electronic systems. Because electro-magnetic radiation and interference (EMI) is very sensitive to signal routing and physical layout of power distribution network (PDN) in package and board as well as chip design. Therefore, chip-package co-design is becoming important by taking into account the total PDN impedance seen from...
Power integrity has became a serious issue in the advanced CMOS digital systems, because power supply noise must be suppressed to guarantee normal logic operation and its stability. Therefore, chip-package-board co-design has become important by taking into consideration the total impedance seen from the chip. Especially, parallel resonance peaks in the power distribution network (PDN) due to the...
Power integrity is a serious issue in the in the modern CMOS digital systems, because power supply noise excited in core circuits induces logic instability and electromagnetic radiation. Therefore, chip-package co-design is becoming important by taking into consideration the total impedance of power distribution network (PDN) seen from the chip. Especially, parallel resonance peaks in the PDN due...
Power integrity design has been becoming important in the advanced CMOS digital systems, because power supply noise induces logic instability and electromagnetic radiation. Especially, anti-resonance peaks in power distribution network (PDN) due to the chip-package interaction induce the unwanted power supply fluctuation, and result in large electromagnetic radiation. In this paper, power supply noises...
Power integrity is a serious issue in the modern CMOS digital systems, because power supply noise excited in core circuits induces logic instability and electromagnetic radiation. Therefore, chip-package co-design is becoming important by taking into consideration the total impedance of power distribution network (PDN) seen from the chip. Especially, parallel resonance peaks in the PDN due to the...
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