Wideband Receiver for a Three-Dimensional Ranging LADAR System

A low-noise, high-gain, wide-linear-dynamic-range, wide-band receiver for a pulsed, direct, three-dimensional ranging LADAR system has been designed and implemented in a 0.13 μm CMOS technology. Specific design techniques, including gain control scheme to widen linear dynamic range, gain allocating...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems. I, Regular papers Regular papers, 2013-02, Vol.60 (2), p.448-456
Main Authors: Trong-Hieu Ngo, Chung-Hwan Kim, Yong Joon Kwon, Jin Sin Ko, Kim, D.-B, Hyo-Hoon Park
Format: Article
Language:English
Subjects:
Bandwidth
Dynamic range
Gain control
Impedance matching
Laser detection and ranging
Noise
optical receiver
rangefinder
Receivers
Resistors
transimpedance amplifier
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Summary:A low-noise, high-gain, wide-linear-dynamic-range, wide-band receiver for a pulsed, direct, three-dimensional ranging LADAR system has been designed and implemented in a 0.13 μm CMOS technology. Specific design techniques, including gain control scheme to widen linear dynamic range, gain allocating between blocks and noise minimization to improve SNR, frequency response compensation to extend bandwidth and ensure system stability, and output voltage swing boosting, have been proposed to achieve challenging design goals with linear dynamic range of 1:1600, equivalent input-referred current noise of less than 5.6 pA/√Hz, high gain of 78 dBΩ, maximum output swing of at least 500 mV, bandwidth of at least 500 MHz, and low sensitivity to temperature variation over the range from -10°C to 60°C, in the presence of 2 pF photodiode parasitic capacitance.
ISSN:1549-8328
1558-0806
DOI:10.1109/TCSI.2012.2215800