A Low Distortion Continuous Time Sigma Delta Modulator using a High Input Impedance Instrumentation Amplifier for Neural Recording. - Antonios Nikas; Sreenivas Jambunathan; Leonhard Klein; Matthias Völker; Maurits Ortmanns (BioCAS, 2018)

A Continuous-Time Delta-Sigma Modulator Using a Modified Instrumentation Amplifier and Current Reuse DAC for Neural Recording. - Antonios Nikas; Sreenivas Jambunathan; Leonhard Klein; Matthias Völker; Maurits Ortmanns (IEEE J. Solid State Circuits, 2019)