University of Oulu

S. Kurtti; J. Nissinen; J. Kostamovaara, "A Wide Dynamic Range CMOS Laser Radar Receiver With a Time-Domain Walk Error Compensation Scheme," in IEEE Transactions on Circuits and Systems I: Regular Papers , vol.PP, no.99, pp.1-12 doi: 10.1109/TCSI.2016.2619762

Wide dynamic range CMOS laser radar receiver with a time-domain walk error compensation scheme

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Author: Kurtti, Sami1; Nissinen, Jan1; Kostamovaara, Juha1
Organizations: 1Circuits and Systems Research Unit, University of Oulu, 90014 Oulu, Finland
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, )
Persistent link: http://urn.fi/urn:nbn:fi-fe2016122231681
Language: English
Published: IEEE, 2016
Publish Date: 2016-12-22
Description:
This integrated receiver channel designed for a pulsed time-of-flight (TOF) laser rangefinder consists of a fully differential transimpedance amplifier channel and a timing discriminator. The amplitude-dependent timing walk error is compensated by measuring the width and rise time of the received pulse echo and using this information for calibration. The measured bandwidth, transimpedance and minimum detectable signal (SNR ~10) of the receiver channel are 230 MHz, 100 kΩ and ~1 μA respectively. The single-shot precision of the receiver is ~3 cm at an SNR of 13 and the measurement accuracy is ±4 mm with compensation within a dynamic range of~1:100,000. The receiver circuit was realized in a $0.35 μm CMOS process and has a power consumption of 150 mW. The functionality of the receiver channel was verified over a temperature range of -20 °C to +50 °C.
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Series: IEEE Transactions on Circuits and Systems I: Regular Papers
ISSN: 1549-8328
ISSN-E: 1558-0806
ISSN-L: 1549-8328
Issue: 99
Pages: 1 - 12
DOI: 10.1109/TCSI.2016.2619762
OADOI: https://oadoi.org/10.1109/TCSI.2016.2619762
Subjects:
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