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This article will discuss various power topologies, especially the pros and cons of converting Li-Ion battery voltage to a 3.3V rail, the supply voltage for most portable devices. It will also desc...[Details]
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The project needs to use the CAN controller SJA1000 chip, and the main control chip used is ARM9, but no matter how I debug on ARM9, it doesn't work. As a last resort, I have to test whether the 51 s...[Details]
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Generally, one would like the system power
supply
to be the highest available input voltage. This can be accomplished using an OR method with Schottky diodes (Figure 1). Unfortunat...[Details]
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It has been three years since the birth of the 240V high-voltage DC power supply standard for IT equipment. Nowadays, some telecom operators and some large Internet companies have adopted 270V (nomin...[Details]
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Team of wireless experts to showcase Cellular IoT, Wi-Fi, Bluetooth LE, nRF Cloud positioning, security and device management services, Matter, DECT NR+, LE Audio and PMIC solutions at region’s p...[Details]
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According to statistics from the Consumer Technology Association (CTA), since July 2018, the Trump administration's "301 Act" on Chinese products exported to the United States has caused the United S...[Details]
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Most simple circuits for measuring reactive components cover a limited range of component values. The circuit presented here, though made up of only a few inexpensive components, can measure capacitan...[Details]
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Interrupts are crucial in any CPU. The configuration process of 2440 interrupts is as follows: 1. Interrupt initialization configuration process 1. If it is an external interrupt (other interrup...[Details]
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The well-known mobile phone review organization DXOMARK announced the audio scores of Huawei P40 Pro yesterday, with an audio playback score of 54, an audio recording score of 74, and an overall scor...[Details]
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At 16:43 on October 16, the first batch of 600,000-kW photovoltaic + 600,000-kWh energy storage project in Fukang, invested by China Power Construction New Energy Company and EPC general co...[Details]
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When evaluating an oscilloscope, bandwidth is important, and for high-speed applications, high bandwidth is a necessity. However, the true purpose of an oscilloscope is to display the signal of inter...[Details]
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As a mature and practical global precision time measurement, distance measurement, navigation, and positioning system, GPS has been widely used in many fields. At present, most GPS devices on the m...[Details]
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I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
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In order to keep up with the explosive growth of the Internet and the increasing popularity of voice services, telecommunications companies are looking for new and better ways to install more equ...[Details]
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In the previous basic knowledge, physical addresses were used to light up the LED lights. Now, after learning about MMU, we will use the knowledge of MMU to light up the LED lights with virtual add...[Details]
Sensor
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