Multi-core and series-resonance (SR) techniques have been proposed to achieve ultra-low phase noise (PN) performance. In this article, a scalable ring-coupling scheme is proposed for multi-core ...

This article presents a 1.75-GS/s single-channel 7-bit successive approximation register (SAR) analog-to-digital converter (ADC) that is based on loop-unrolled architecture with N-comparators for ...