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A prototype of fully flexible intelligent contact lens, which are shown in the impressive action movie series of “MISSION: IMPOSSIBLE”, has become the Possible Mission in this work. Hereon, the system adopts analog-to-information processing method to build a specific Multi-Layer Perceptron network for image classification tasks with flexible devices and circuits, where the information is extracted...
A 14-bit 2.5-GS/s current-steering digital-to-analog converter (DAC) was designed in a 55-nm CMOS technology. For such a high sampling rate, time-relaxed interleaving digital random return-to-zero (TRI-DRRZ) is an effective method to improve the dynamic performance of the DAC by randomizing the switch glitches. A useful technique called CAL-TRZ is proposed in this paper. It combines TRI-DRRZ with...
The performance of logic function could be affected significantly by the noise effect as the dimension of CMOS devices scales to nanometers. Thus, many pertinent researches about noise-tolerant logic gate have received growing attention. Considering the randomness as the noise's nature, probabilistic-based approach proves better noise-immunity and three design schemes with the technique of Markov...
A 14-bit 1.0-GS/s current-steering digital-to-analog converter (DAC) was designed in a 65-nm CMOS process. For such current-steering DACs with a high sampling rate, the code-dependent load variations and switching glitches are a main bottleneck which limits the spurious-free dynamic range (SFDR). Dynamic element matching (DEM) has been an effective solution to randomize these glitches for a higher...
This paper proposes a novel complementary current approach to eliminating the code-dependence in the output impedance of current-steering digital-to-analog converters (DACs), and increasing the spurious-free dynamic range (SFDR) significantly. A 14bit 1.0GS/s current-steering DAC design example shows an SFDR increase of 10∼15dB. In traditional designs, one major effect that degrades the linearity...
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