关注公众号：工程师看海 示波器因为有探头的存在而扩展了示波器的应用范围，使得示波器可以在线测试和分析被测电子电路，如下图： 探头的选择和使用需要考虑如下两个方面： 其一：因为探头有负载效应，探头会直接影响被测信号和被测电路 ...

为了实现准确的信号测量，示波器必须通过探头连接到被测电子电路。探头发挥着重要作用，能够确保到达示波器的信号无杂质、不失真，且尽可能接近电路中流通的原始信号··· 人们常有这样的误解，以为测量准确性只取决于仪器的规格，例如屏幕上显示 ...

Would you like to have a small digital oscilloscope? Do you have a spare BlackPill (STM32F401) board and a TFT display laying around? [tvvlad1234] presents us with a simple and educational digital ...

We always enjoy watching [Kerry Wong] put an oscilloscope through its paces. His recent video is looking at a very inexpensive FNIRSI 1014D ‘scope that you can also find rebranded. You can ...

持续测量 AC-DC 和 DC-DC 转换器的性能可能是一项极具挑战性的任务。随着设计师努力从硅基电源转换器过渡到碳化硅 (SiC) 和氮化镓 (GaN) 等宽禁带 ...

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In the latest trading session, Signet (SIG) closed at $99.53, marking a +2% move from the previous day. The stock's change was more than the S&P 500's daily loss of 0.76%. Meanwhile, the Dow ...

Signet Jewelers SIG, the jewelry market share leader with its Kay Jewelers, Zales, Jared, Diamonds Direct, Blue Nile and five other banners, hit an even rougher patch. Through October, its year-to ...

Are you a print subscriber? Activate your account. By Garett Sloane - 3 hours 44 min ago By Ewan Larkin - 4 hours 14 min ago By E.J. Schultz - 4 hours 14 min ago By Tim Nudd - 4 hours 14 min ago ...

Grounded in Signet’s data-driven consumer insights, trusted brands and digital capabilities, while also drawing on De Beers Group’s history of emotional natural diamond storytelling, the ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...

Signet Jewelers Ltd. engages in the retail of diamond jewelry. It operates through the following business segments: North America, International, and Others. The North America segment operates ...