A VCO-Based 2nd-Order Continuous Time Sigma-Delta Modulator for Current-Sensing Systems. - Yi-Ting Hsieh 001; Shih-Shuo Chang; Hao-Yun Lee; Ju-Yi Chen; Shuenn-Yuh Lee (ISCAS, 2022)

A Direct Current-Sensing VCO-Based 2nd-Order Continuous-Time Sigma-Delta Modulator for Biosensor Readout Applications. - Shuenn-Yuh Lee; Yi-Ting Hsieh 001; Hao-Yun Lee; Shih-Shuo Chang; Ju-Yi Chen (IEEE Trans. Biomed. Circuits Syst., 2024)