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1. A/D converter: converts analog signals into digital signals.
2. The speed of A/D conversion is slower than that of D/A. The principle is as shown in the figure below:
...[Details]
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platform TQ2440 Qemu+vexpress-ca9 Linux-4.10.17 text Continue to analyze head.S: 1 ldr r13, =__mmap_switched @ address to jump to after 2 @ mmu has been ...[Details]
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With the advancement of technology and the continuous improvement of the quality of life, various types of call systems have emerged. Traditional
call systems
are mostly wired, such as ...[Details]
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Integrating multiple HDMI interfaces in a TV will bring a new problem: HDMI has a few seconds of HDCP authentication process before transmission, so when switching between different HDMI sources, i...[Details]
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On the evening of January 11, according to the 2021 performance forecast released by Zhanrui Micro, the company expects a net profit of 2.005-2.157 billion yuan, a year-on-year increase of 91.09%-101...[Details]
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I'm used to watching tutorials that only play "lighting up" for the first time, which is boring. This time I'm going to play with the serial port and "lighting up" together. You need to read more abou...[Details]
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Keysight Technologies Launches New Network Benchmarking Solution to Help Mobile Operators Validate Quality of Experience on Multiple 4G and 5G Networks
The solution is scalable...[Details]
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1Principle
The 51 series microcontroller has more than two 16-bit dual-channel timers (TIME0 and TIME1), and each channel can be selected as input capture mode to measure pulse width. We use ...[Details]
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Realme Q3s and Realme GT Neo2T smartphones will debut on October 19. Yesterday, the company released a poster showing the back design and color variants of the Q3s. Today, realme released a poster ...[Details]
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From May 9th to 10th, 2023, at the 2023 Jietu Automobile Electronic Architecture and Intelligent Driving Forum hosted by Jietu Motors and hosted by Gasgoo, Nullmax New Energy founder/COO Song Xinyu s...[Details]
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How do you know for sure that you are at such low temperatures? Accurate and reliable cryogenic measurements are a very exotic field for several reasons: First, while the laws of physics still apply,...[Details]
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Battery technology is the key to improving the competitiveness of pure electric vehicles. The industry has been looking forward to the launch of more powerful battery products to break the performanc...[Details]
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Armature controlled DC servo motor:
Transfer function between angular velocity and DC voltage:
Transfer function between angular velocity and angle:
Therefore, the ...[Details]
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When using buttons in a single-chip microcomputer system, if you only need to press the button once to add 1 or subtract 1, then you can use the knowledge learned in Chapter 8 to complete it. However...[Details]
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As a universal test signal source, the pulse/data generator can generate three types of signal outputs: pulse, group pulse and data. The continuously adjustable pulse signal and large-capacity, diver...[Details]