Abstract: This article demonstrates a low-cost wide dynamic range field-programmable gate array (FPGA) time-to-digital converter (TDC) and a time-to-amplitude converter (TAC) based on an embedded XOR ...
Abstract: A Dynamic Continuous-Time Zoom-ADC current to digital converter for bio-sensing applications is presented, comprising a current DAC (IDAC), a loop filter, a comparator, and loop logic.