Integrated multi-channel receiver for a pulsed time-of-flight laser radar

Yan Jiang; Ruqing Liu; Jingguo Zhu

doi:10.1117/12.2178459

13 April 2015 Integrated multi-channel receiver for a pulsed time-of-flight laser radar

Yan Jiang, Ruqing Liu, Jingguo Zhu

Proceedings Volume 9522, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part II; 95220C (2015) https://doi.org/10.1117/12.2178459
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held August-October 2014, 2014, China, China

Abstract

An integrated multi-channel receiver for a pulsed time-of-flight (TOF) laser rangefinder has been designed in this paper. The receiver chip as an important component of the laser radar device has been implemented in a 0.18um CMOS process. It consists of sixteen channels and every channel includes preamplifier, amplifier stages, high-pass filter and a timing discriminator which contains a timing comparator and a noise comparator. Each signal paths is independent of other channels. Based on the simulations, the bandwidth and transimpedance of the amplifier channel are 652MHz, 99dBΩ. Under the simulation condition of TT corner and 27℃, the propagation delay of the discriminator is 2.15ns and the propagation delay dispersion is 223ps. The power consumption during continuous measurement is 810mW, and the operating temperature range of the device is -10~60℃.

Citation Download Citation

Yan Jiang, Ruqing Liu, and Jingguo Zhu "Integrated multi-channel receiver for a pulsed time-of-flight laser radar", Proc. SPIE 9522, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part II, 95220C (13 April 2015); https://doi.org/10.1117/12.2178459

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