ID 原文 译文
43676 分析了 SAＲ ADC 的采样速率、精度、功耗和能量效率等主要性能指标之间的关系，提出了性能参数可配置 SAＲ ADC 的设计构想。 The relationships among the sampling rate, precision, power consumption and energy efficiency of the SAＲ DAC were analyzed.The design concept of the performanceparameters configurable SAＲ ADC was proposed.
43677 介绍了性能指标可配置 SAＲ ADC 的实现方式，包括分辨率的配置、采样速率的可变以及电源电压的可调等。 The implementation ways of the performance specifications configurable SAＲ DAC were introduced, including the resolution configuration, variable samplingrate and adjustable power supply voltage.
43678 基于0. 18 μm CMOS 工艺完成了 ADC 的版图设计、工艺加工和性能参数测试，ADC 核心部分芯片面积仅为 360 μm× 550 μm。 Based on 0.18 μm CMOS process, the layout design, processing and performance parameters testing of the ADC were completed.The core chip area of the ADC isonly 360 μm× 550 μm.
43679 测试结果表明，SAＲ ADC 的分辨率为 6 ～ 10 bit、电源电压为 0. 5 ～0. 9 V，在 10 bit 模式以及 0. 5 V 电源电压下，该 SAＲ ADC 信噪失真比 ( SNDＲ) 和无杂散动态范围 ( SFDＲ) 分别可达到 56. 36 dB 和 67. 96 dB，采样速率可达到 2 MS /s，能量效率优值( FOM) 为 20. 6 fJ/conversion-step。 The test results show that the resolution and power supply voltage of the SAＲADC are 6－10 bit and 0.5－0.9 V, respectively.At 10 bit mode and 0.5 V power supply voltage, theproposed SAＲ ADC achieves a signal-to-noise-distortion ratio (SNDＲ) of 56.36 dB and a spurious-freedynamic range (SFDＲ) of 67.96 dB, respectively, and the sampling rate can reach 2 MS /s, corresponding to an energy efficiency figure-of-merit (FOM) of 20.6 fJ/conversion-step.
43680 研究了不同掺杂浓度的 Co3O4-ZnO 纳米复合材料的丙酮气敏特性，并讨论了可见光照射下的光电响应及丙酮气敏响应机理。 The acetone gas sensitivity of Co3O4-ZnO nanocomposites with different doping concentrations was studied.The photoelectric response under visible light irradiation and the mechanism of acetone gas sensing response were discussed.
43681 采用溶胶－凝胶法，制备了 Co3O4 掺杂质量分数分别为 0、2. 13%、4. 13%和 6. 13%的 Co3O4-ZnO 纳米复合材料，利用 X 射线衍射仪、扫描电子显微镜、能谱仪和分光光度计对其物相和表面形貌进行了表征。 Co3O4-ZnO nanocomposites with Co3O4 doping mass fractions of0, 2.13%, 4.13% and 6.13% were prepared by sol-gel method, and the phase and surface morphologyof the nanocomposites were characterized by X-ray diffractrometer, scanning electron microscope, energydispersive spectrometer and spectrophotometer.
43682 结果表明:掺杂 Co3O4 提高了 ZnO 厚膜的灵敏度和选择性， The results show that the doping of Co3O4 improves thesensitivity and selectivity of ZnO thick films.
43683 在 30 ℃ 的工作温度下，Co3O4 掺杂质量分数为 4. 13%的 Co3O4-ZnO 样品对体积分数为 10－4的丙酮的灵敏度为 24. 36。 The sensitivity of Co3O4-ZnO sample with a Co3O4 dopingmass fraction of 4.13% to acetone with a volume fraction of 10－4 is 24.36 at 30 ℃ operating temperature.
43684 在可见光照射下，光激发效果明显增强，其灵敏度高达37.24。 Under visible light illumination, the photoexcitation effect is significantly enhanced, and its sensitivity isas high as 37.24.
43685 由 Co3O4 掺杂质量分数为 4. 13%的 Co3O4-ZnO 制成的传感器表现出优异的丙酮传感特性，有望应用于低功率丙酮气体传感器。 The sensor made of Co3O4-ZnO with a Co3O4 doping mass fraction of 4.13% exhibitsexcellent acetone sensing properties and is expected to be applied to low-power acetone gas sensors.