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This paper presents a fully integrated low-power 0.18 μm CMOS Low-Dropout (LDO) voltage regulator for battery-operated portable devices. A single stage high-gain folded cascode-compensated amplifier is used to attain good static performances, while thanks to a very simple dynamic bias circuit, transient performances are significantly enhanced. Results validate a 1.2 V output voltage from a 3.3 V to...
This paper presents a low-power fully integrated 0.18 μm CMOS Low-Dropout (LDO) Voltage Regulator for battery-operated portable devices. A single stage high-gain telescopic cascode-compensated amplifier is used to attain good static performances, while thanks to a very simple dynamic bias circuit, transient performances are significantly enhanced with no quiescent current penalty. Results validate...
A 0.18 μm CMOS Low-Dropout (LDO) Voltage Regulator is proposed in this paper for battery-operated measurement systems. With a quiescent current of only 7 μA, it supplies a 1.8 V output voltage from a 3.6 V to 1.9 V battery input voltage, featuring a line regulation of 0.00647 mV/V and a load regulation of 0.0024 mV/mA for a load current of 50 mA over a 100 pF load. Further, thanks to the use of a...
This paper presents a CMOS 1.8 V–0.18 μm quadrature sinusoidal oscillator designed for its application as the actuation system in portable frequency-domain sensing devices, such as impedance spectroscopy or resonant readout systems. It is based on an analog implementation, to preserve low-voltage low-power operation with a compact topology. The oscillation frequency can be digitally set by a novel...
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