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At the WWDC20 Global Developers Conference a few days ago, Apple launched iOS 14 as expected and released the first developer test version on the same day. As the name suggests, this version is mainl...[Details]
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The active noise node in the switching power supply circuit is the common mode noise source in the circuit. To reduce the conducted interference level of the switching power supply, it is actually ne...[Details]
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In recent years, with the steady improvement of semiconductor integration and functionality, continuous improvement of simulation models, continuous structural changes, etc., the performance of elect...[Details]
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According to official news from Xiaomi, the Xiaomi Mijia refrigerator series has been officially released: there are four new products ranging from two doors to cross four doors, with prices starting...[Details]
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USB device driver technology under embedded Linux
Linux has rapidly risen in the embedded field with its characteristics of stability, efficiency, easy customization, wide hardware sup...[Details]
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We can use a synchronous integrated counter with a hold function (such as 74LS160) to form a synchronous counter. The circuit is shown in Figure 3-4. In the 160 counter, when S 1 = S 2 = 0, the count...[Details]
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SCHOTT Group, an "excellent student" at the CIIE, delivered a great performance and presented its new products to the CIIE stage for the fourth time • With the debut of new consumer electronics tec...[Details]
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Recently, Samsung quietly released the Galaxy M12 mobile phone in Vietnam. This phone is positioned as an entry-level phone, focusing on long battery life. It has a large 6000mAh battery, uses...[Details]
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Main circuit - the path through which the power current flows in a switching power supply. The main circuit generally includes all power devices in the switching power supply, such as the switching...[Details]
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1. Principle
SPWM is a control technology related to PWM technology. It is widely used in modern inverter circuits.
Assuming that the sine wave is UO = U2sinφ (φ = 0 ~ 2π = 2πf), divi...[Details]
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Apple may release the next-generation "iPhone 12s" or "iPhone 13" product series in two to three months, and research firm TrendForce has outlined what to expect from the two devices in advance. ...[Details]
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Due to the rapid development of new energy electric vehicles, the demand for lithium-ion batteries is also increasing, and the application of ultrasonic welding of copper foil and aluminum foil has...[Details]
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iccavr tutorial
ATMEGA8 has 1024 bytes of SRAM, 8096 bytes of FLASH and 512 bytes of EEPROM. The difference between them is that FLASH is used to store your program code. During the program runni...[Details]
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A load switch is a switch that allows the switch to be turned on or off without exceeding the rated load. The corresponding switch is an isolating switch, which does not allow operation under load....[Details]
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A team from the Massachusetts Institute of Technology in the United States has successfully developed a new nanoscale 3D transistor using ultra-thin semiconductor materials. This is the smallest 3D...[Details]
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