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In 2012, China Mobile officially launched the first phase of TD-LTE large-scale test network construction. This large-scale test network is not only a concentrated display of the previous TD-LTE tech...[Details]
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In the past one or two years, the low-voltage servo market has gradually started, especially in the fields of battery-powered AGVs, logistics warehousing and transportation, and some medical equipm...[Details]
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There are many types of car audio configurations, and the difference between three-way and two-way speakers in a set is something that many users are confused about. Below we will briefly summarize...[Details]
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The three BAT companies have been competing in the Internet of Vehicles for a long time. Judging from the current situation, although the three have achieved certain results, none of them has demonst...[Details]
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Basic principle of constant current source circuit
In Figure 3, a high stable current Ih is provided to the heat source to obtain a constant heating power, which is a key to the stable and effectiv...[Details]
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Modern vacuum tubes are composed of four basic components: the filament (for heating), cathode, grid and anode. When the filament is connected to a voltage, the cathode is heated, and the cathode e...[Details]
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I've been working on a current signal output project recently and encountered some problems. Here I'm going to make a note of these solutions for future use. When I was working on this, I encountered...[Details]
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The d in the pid regulator refers to
In the PID regulator, D refers to the derivative time, also known as the derivative coefficient or derivative gain. The derivative time refers to the time ...[Details]
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International New Energy Network: PV inverter leader SMA Solar Technology said recently that it will not achieve its full-year revenue target due to pricing pressure and further unexpected weakness...[Details]
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For applications that are not timing sensitive, the external RC oscillator of Figure 20 can be used. The frequency can be roughly estimated using the equation f = 1/(3RC). The capacitor C must be at ...[Details]
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This article explains the inherent anti-interference performance of PIC and AVR microcontrollers.
In one of my products, there are two chips, AVR and PIC, at the same time. When AVR drives the r...[Details]
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Just now, the storm against Huawei came again! Influenced by US hegemonic politics! IEEE, Institute of Electrical and Electronics Engineers, is the most famous and largest non-profit multinational ...[Details]
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E4980AL precision LCR meter description: The E4980AL precision LCR meter sets the industry benchmark for basic LCR meters, achieving an ideal combination of measurement accuracy, speed and versatilit...[Details]
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Last year engineer Ken Pillonel built the world's first iPhone with a working USB-C port. Now Pillonel has a new project: the first Android phone with a Lightning port. Granted, an Android ...[Details]
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Fabrinet will help Quanergy scale up to meet growing market demand Quanergy Systems, Inc. (NYSE:QNGY) , a leading provider of LiDAR sensors and intelligent 3D solutions, announced that it will col...[Details]