Continuous-time delta-sigma modulators using distributed resonators

We derive a method for using distributed resonators in Delta Sigma modulators and demonstrate these Delta Sigma modulators have several advantages over existing Delta Sigma modulator architectures. Like continuous-time (CT) Delta Sigma modulators, the proposed Delta Sigma modulators do not require a high-precision track-and-hold, and additionally can take advantage of the high-Q of distributed resonators. Like discrete-time Delta Sigma modulators, the proposed Delta Sigma modulators are relatively insensitive to feedback loop delays and can subsample. We present simulations of several types of these Delta Sigma modulators and examine the challenges in their design.