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Ponencia
Design Considerations for Multistandard Cascade ΣΔ Modulators
(2005)
This paper discusses design considerations for cascade Sigma-Delta Modulators (ΣΔMs) included in multistandard wireless receivers. Four different standards are covered: GSM, Bluetooth, UMTS, and WLAN. A top-down design ...
Artículo
Resonation-based cascade ΣΔ modulator for broadband low-voltage A/D conversion
(Institute of Electrical and Electronics Engineers, 2008)
cascades while presenting very relaxed output swing requirements and, subsequently, high robustness to non-linearities of the amplifiers. In addition, the use of loop filters based on Forward-Euler integrators, instead of ...
Ponencia
Design of a 130-nm CMOS Reconfigurable Cascade ΣΔ Modulator for GSM/UMTS/Bluetooth
(Institute of Electrical and Electronics Engineers, 2007)
This paper reports a 130-nm CMOS programmable cascade ΣΔ modulator for multistandard wireless terminals, covering three standards: GSM, Bluetooth and UMTS. The modulator is reconfigured at both architecture- and ...
Ponencia
Design of a power-efficient widely-programmable Gm-LC band-pass sigma-delta modulator for SDR
(Institute of Electrical and Electronics Engineers, 2016)
This paper presents the design and implementation of a fourth-order band-pass continuous-time modulator intended for the digitization of radio-frequency signals in softwaredefined- radio applications. The modulator ...
Artículo
Resonation-based hybrid continuous-time/discrete-time cascade ΣΔ modulators: application to 4G wireless telecom
(Society of Photo-Optical Instrumentation Engineers, 2009)
This paper presents innovative architectures of hybrid Continuous-Time/Discrete-Time (CT/DT) cascade ΣΔ Modulators (ΣΔMs) made up of a front-end CT stage and a back-end DT stage. In addition to increasing the digitized ...
Ponencia
Reconfiguration of Cascade ΣΔ Modulators for Multistandard GSM/Bluetooth/UIMTS/WLAN Transceivers
(Institute of Electrical and Electronics Engineers, 2006)
This paper presents design considerations for cascade Sigma-Delta Modulators (ΣΔMs) included in multi-standard wireless transceivers. Four different standards are covered: GSM, Bluetooth, UMTS and WLAN. A top-down design ...
Artículo
Novel topologies of cascade ΣΔ modulators for low-voltage wideband applications
(2007)
This work presents two novel topologies of cascade ΣΔ modulators with unity signal transfer function that avoid the need of digital filtering in the error cancellation logic. The combination ...
Ponencia
A new reconfigurable cascade ΣΔ modulator architecture with inter-stage resonation and no digital cancellation logic
(2009)
This paper presents a new two-stage cascade ΣΔ modula- tor architecture that uses inter-stage resonation to increase its effec- tive resolution as compared to conventional cascades and avoids the need for digital filtering ...
Ponencia
Resonation-based Cascade ΣΔ Modulators for High-Linearity Broadband A/D Conversion
(2007)
This paper presents two new architectures of cascade ΣΔ modulators that, based on the use of resonation, allow to increase the effective resolution compared to previously reported topologies whereas keeping relaxed ...
Ponencia
A novel low-voltage reconfigurable ΣΔ modulator for 4G wireless receivers
(2008)
This paper presents a new adaptable cascade ΣΔ modulator architecture fo r low-voltage multi-stan- dard applications. It uses two reconfiguration strategies: a programmable global resonation and a variable loop-filter ...