Integrator and digitizer for a non-coherent IR-UWB receiver

J. Digel, M. Masini, M. Grözing, M. Berroth, G. Fischer, S. Olonbayar, H. Gustat, C. Scheytt, in: Silicon Monolithic Integrated Circuits in RF Systems (SiRF), 2013 IEEE 13th Topical Meeting On, 2013, pp. 93–95.

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Impulse-radio ultra-wideband systems (IR-UWB) provide short-range wireless communication and precise localization simultaneously. Especially non-coherent IR-UWB reduces the system complexity which enables the design of low-power receivers. This paper presents an integrating digitizer which integrates rectified baseband pulses of an IR-UWB signal and provides the digitized data to the digital baseband of the receiver. The integrator is composed of two time-interleaved (TI) operational amplifiers with capacitive feedback. With this structure, the integrator can be periodically reset without introducing a dead time between two integration periods. The analog-to-digital conversion is performed by a 6 bit 62.4 MS/s successive approximation register analog-to-digital converter (SAR ADC). The integrating digitizer chip is realized in a 250 nm SiGe:C BiCMOS technology from IHP.
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Silicon Monolithic Integrated Circuits in RF Systems (SiRF), 2013 IEEE 13th Topical Meeting on
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93-95
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Digel J, Masini M, Grözing M, et al. Integrator and digitizer for a non-coherent IR-UWB receiver. In: Silicon Monolithic Integrated Circuits in RF Systems (SiRF), 2013 IEEE 13th Topical Meeting On. ; 2013:93-95. doi:10.1109/SiRF.2013.6489443
Digel, J., Masini, M., Grözing, M., Berroth, M., Fischer, G., Olonbayar, S., Gustat, H., & Scheytt, C. (2013). Integrator and digitizer for a non-coherent IR-UWB receiver. Silicon Monolithic Integrated Circuits in RF Systems (SiRF), 2013 IEEE 13th Topical Meeting On, 93–95. https://doi.org/10.1109/SiRF.2013.6489443
@inproceedings{Digel_Masini_Grözing_Berroth_Fischer_Olonbayar_Gustat_Scheytt_2013, title={Integrator and digitizer for a non-coherent IR-UWB receiver}, DOI={10.1109/SiRF.2013.6489443}, booktitle={Silicon Monolithic Integrated Circuits in RF Systems (SiRF), 2013 IEEE 13th Topical Meeting on}, author={Digel, Johannes and Masini, Michelangelo and Grözing, Markus and Berroth, Manfred and Fischer, Gunter and Olonbayar, Sonom and Gustat, Hans and Scheytt, Christoph}, year={2013}, pages={93–95} }
Digel, Johannes, Michelangelo Masini, Markus Grözing, Manfred Berroth, Gunter Fischer, Sonom Olonbayar, Hans Gustat, and Christoph Scheytt. “Integrator and Digitizer for a Non-Coherent IR-UWB Receiver.” In Silicon Monolithic Integrated Circuits in RF Systems (SiRF), 2013 IEEE 13th Topical Meeting On, 93–95, 2013. https://doi.org/10.1109/SiRF.2013.6489443.
J. Digel et al., “Integrator and digitizer for a non-coherent IR-UWB receiver,” in Silicon Monolithic Integrated Circuits in RF Systems (SiRF), 2013 IEEE 13th Topical Meeting on, 2013, pp. 93–95, doi: 10.1109/SiRF.2013.6489443.
Digel, Johannes, et al. “Integrator and Digitizer for a Non-Coherent IR-UWB Receiver.” Silicon Monolithic Integrated Circuits in RF Systems (SiRF), 2013 IEEE 13th Topical Meeting On, 2013, pp. 93–95, doi:10.1109/SiRF.2013.6489443.

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