A Single-Opamp Third Order CT ΔΣ Modulator With SAB-ELD-Merged Integrator and Three-Stage Hybrid Compensation Opamp
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2021.3098826
Abstract: This paper proposes a 3rd order continuous-time delta-sigma modulator (CTDSM) with a single amplifier biquad (SAB) and excess loop delay (ELD) merged integrator. The integrator enables a 2nd order noise-shaping together with ELD compensation with… read more here.
Keywords: order; single opamp; integrator; eld merged ... See more keywords
A Wide Dynamic Range Multi-Mode Band-Pass Continuous-Time Delta–Sigma Modulator Employing Single-Opamp Resonator With Positive Resistor-Feedback
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2019.2913013
Abstract: In this brief, we present a wide dynamic range (DR) multi-mode band-pass continuous-time delta–sigma modulator (BP-CTDSM) employing a single-opamp resonator with positive resistor-feedback. The positive resistor-feedback single-opamp resonator achieves high quality factor even if an… read more here.
Keywords: single opamp; opamp resonator; resistor feedback; positive resistor ... See more keywords