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Capacitive sensing technology continues to gain traction in traditional human-machine interface applications such as laptop trackpads, MP3 players, touchscreen displays, and proximity detectors. ...[Details]
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High voltage probe The first is the bandwidth, which is usually stated on the high-voltage probe, how many MHz. If the bandwidth of the high-voltage probe is not enough, the bandwidth of the osc...[Details]
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The constant current source circuit uses an operational amplifier and a triode to form a voltage-current conversion circuit. Among them, the main function of OPA211 is to achieve high-precision V/I...[Details]
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The sampling rate of the oscilloscope depends on the object to be measured. Under the premise of satisfying the bandwidth, it is hoped that the minimum sampling interval (the inverse of the sampling...[Details]
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Nowadays, Wi-Fi routers are used in general households to connect many digital devices such as smart TVs, game consoles, TV tuners, mobile phones and tablets to the Internet and stream online vid...[Details]
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Recently, blogger @i冰宇宙 revealed that the entire Samsung Galaxy S22 series is made of glass. As we all know, in the previous generation Galaxy S21 series, the standard version of Samsung Gala...[Details]
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All along, the single-chip computer has used while(key==0) for hand release detection; this not only wastes CPU resources, but also... Therefore, using hand release detection is very good and fashion...[Details]
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Recently, the OpenTitan Alliance announced a major news: they successfully launched the first commercial silicon chip containing open source built-in hardware security functions. This milestone achie...[Details]
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This circuit is an OCL power amplifier circuit composed of low-power integrated power amplifier LM386. The circuit structure is simple and easy to debug, making it very suitable for self-production...[Details]
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Measuring low currents is a delicate matter. Clever analog design techniques, the right components, and equipment can help.
Key Points
The measurement of small currents faces physical...[Details]
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Communication DC power supply is a basic telecommunication equipment, providing power supply guarantee for communication main equipment. Battery pack is an important component of communication DC p...[Details]
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1 Introduction
A battery is a power source that outputs electrical energy by discharging and absorbs and restores electrical energy by charging. The low-voltage power source composed of lith...[Details]
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In analog and pulse digital circuits, RC circuits composed of resistor R and capacitor C are often used. In these circuits, different values of resistor R and capacitor C, the relationship betwee...[Details]
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In late July, the reporter learned from the State Administration for Market Regulation that the bureau recently issued an announcement that from August 1, 2023, compulsory product certification (herei...[Details]
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In the development of automotive LiDAR in recent years, solid-state and hybrid solid-state LiDARs are the first to be installed on vehicles, and they often start with longer detection distances and...[Details]
Test/Measurement
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