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DC/DC converters are widely used to provide various power supply voltages required for many electronic components on a board. Though DC/DC converter is more efficient than the linear regulator is, however, the switching noise becomes larger with the increase of the switching frequency. In particular, ringing noises at the sharp rising edge of the switching waveform occurs by the effect of the parasitic...
DC/DC converters are widely used to produce various power supply voltages required for various electronic components on a board. Though DC/DC converter is more efficient than the linear regulator is, however, the switching noise becomes larger with the increase of the switching frequency. In particular, ringing noises at the sharp rising edge of the switching waveform generated by the effect of the...
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 design has become a critical issue in digital electronic systems, as advanced CMOS LSIs operate at higher clock frequency and at lower supply voltage. Power supply fluctuation excited by core circuits or I/O buffer circuits induces logic instability and electromagnetic radiation. Therefore, total impedance of power distribution network (PDN) must be taking into consideration in the...
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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