具有温度补偿阈值的单电源比较器的 TL431 可编程精密基准的典型应用。 TL431A、B集成电路是三端可编程并联稳压二极管。这些单片 IC 电压基准作为低温度系数齐纳二极管运行，可通过两个外部电阻器将 Vref 编程为 36V。这些器件具有 1.0 mA 至 100 mA 的宽工作电流 ...

Data Sheet is a free, daily Fortune newsletter that decodes the day’s most pressing news about the business of technology. Each weekday, Fortune Brainstorm editorial director Andrew Nusca and ...

STEMinds Eduponics Mini 是一款智能农业和物联网板。 Eduponics Mini 以 ESP32 模块为核心，具有一系列内置传感器——包括温度、湿度、气压、环境光、水量和土壤湿度传感器——它们协同工作，使智能农业变得简单且价格合理。它支持 Wi-Fi 和蓝牙连接，功耗极低，非常 ...

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Perform in-depth fundamental analysis with decades of income statements, balance sheets, and cash flows — all exportable.

April 29, 2017 PDF edition. Green Sheet, April 22, 2017 PDF edition. April 22, 2017 PDF edition. April 15, 2017 PDF edition. April 8, 2017 PDF edition. April 1, 2017 PDF edition. March 25, 2017 PDF ...

If you were forced to pare down your kitchen supplies to include only the bare minimum, sheet pans would make the cut. In my case, many sheet pans: I have nearly ten and pull one out almost every ...

CDK4/6 inhibitors are standard-of-care treatment of breast cancer, however resistance is common. Here, the authors analyse real world multi-omics data from 400 breast cancer patients and identify ...

With so many bedding start-ups promising premium-quality sheets for less, it can be hard to keep everything straight, especially now that it feels like every home company is getting in the bedding ...

The FT’s team of reporters, statisticians, illustrators, cartographers, designers, and developers work with colleagues across our newsrooms, using graphics and data to find, investigate and ...

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