Wide dynamic range CMOS laser radar receiver with a time-domain walk error compensation scheme
Kurtti, Sami; Nissinen, Jan; Kostamovaara, Juha (2016-12-01)
S. Kurtti, J. Nissinen and 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. 64, no. 3, pp. 550-561, March 2017, doi: 10.1109/TCSI.2016.2619762
© 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
https://rightsstatements.org/vocab/InC/1.0/
https://urn.fi/URN:NBN:fi-fe2016122231681
Tiivistelmä
Abstract
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.
Kokoelmat
- Avoin saatavuus [29929]