Digital reconstruction stage of the FBD %Sigma;%Delta;-based ADC architecture for multistandard receiver |
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| Rihab Lahouli, Manel Ben-Romdhane, Chiheb Rebai, Dominique Dallet |
- Abstract:
- This paper presents the design of a digital reconstruction stage for a frequency band decomposition (FBD)-based analog-to-digital converter (ADC) architecture for digitizing multistandard receiver signals. The proposed FBDbased ADC architecture is flexible with programmable parallel branches composed of discrete time (DT) 4th order single-bit %Sigma;%Delta; modulators. The mixed baseband architecture uses a single non programmable anti-aliasing filter (AAF) avoiding the use of an automatic gain control (AGC) circuit. System level analysis proved that proposed FBD architecture satisfies design specifications of the proposed software defined radio (SDR) receiver. In this paper, the authors focus essentially on the reconstruction stage design for UMTS use case while discussing digital stage processing and performances.
- Keywords:
- Sigma-Delta Modulators, Frequency Band Decomposition, Parallel ADC
- Download:
- IMEKO-TC4-2014-298.pdf
- DOI:
- -
- Event details
- IMEKO TC:
- TC4
- Event name:
- TC4 Symposium 2014
- Title:
20th IMEKO TC4 Symposium on Measurements of Electrical Quantities (together with 18th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC)
"Research on Electrical and Electronic Measurement for the Economic Upturn"- Place:
- Benevento, ITALY
- Time:
- 15 September 2014 - 17 September 2014