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The measurement of electrical impedance is used in a plethora of biomedical applications. The most common technique used is synchronous demodulation, which provides the real and imaginary parts of the impedance. However, in practice, the method requires elaborate calibration and matching between the injection and monitoring stages. This paper presents the integrated realization of an alternative method...
A 1.2V 10bit 83MS/s pipeline ADC implemented in 130nm CMOS Technology is described with practical design techniques and considerations. Emphasis was placed on noise analysis and capacitance optimization, which helps to reduce both die area and power consumption. Design experiences of operational amplifier, comparator and switches were also shared. This design achieves INL and DNL of +0.65/-0.53LSB...
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