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In a transmitter, in order to reduce the power consumption of the whole machine, a pulse power supply mode is adopted for a unit circuit that works intermittently. The power module developed in this ...[Details]
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State Grid Shaanxi Electric Power Company recently revealed that the company's total investment in newly started grid infrastructure projects in 2020 is 35.3 billion yuan, with an annual planned in...[Details]
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Children's Day is coming soon. Have you not chosen a gift for your little prince or princess? A children's smart watch would be a good choice. As an important branch of smart wearable devices, chil...[Details]
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For high-performance field-oriented control systems, speed closed loop is essential. Speed closed loop requires real-time motor speed. Currently, speed feedback is mostly detected by photoelectri...[Details]
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1. System architecture diagram
1.1. Signal conditioning circuit
The functions of the signal conditioning circuit are: program-controlled amplification and superimposed DC component. The ...[Details]
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1. Delay function exits the stage With the theoretical explanation in the previous lecture, the implementation of the code is relatively simple. The experimental phenomenon is that the 6 lights in t...[Details]
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Recently, Huawei's Hubble Technology made another move and invested in a semiconductor industry company. According to Qichacha information, on June 2, the industrial and commercial information of ...[Details]
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The frequency converter is an electric energy control device that uses the on-off function of power semiconductor devices to convert industrial frequency power into another frequency. With the rapid ...[Details]
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On April 18, Chen Shaomin, Managing Director of Beijing Hanergy Investment and Visiting Professor of Fudan University/Shanghai Jiaotong University, was a guest speaker at the fourth "Jiwei Live Broad...[Details]
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Part 9: New SMU Overcomes Tricky Test Challenges of Low-Current Capacitive Setups
When long cables or capacitive chucks are used in the test setup, the capacitance at the test instr...[Details]
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Recently, DigiTimes stated in a report that Samsung's 3nm process mass production time may have been postponed to 2022. Samsung originally planned to mass-produce 3nm in early 2021, but due to the ...[Details]
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The task of debugging is to check the problems in the design: correct errors in the circuit, eliminate defects in the design, make the design achieve the expected function, and optimize the circuit. ...[Details]
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This article outlines:
Volumetric flowmeter is a flow meter that relies on calculating the volume of the liquid in the inner cavity of the flowmeter to calculate the flow. Therefore, it is a flow m...[Details]
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Problem description: Continuing from the previous memory content, the following is a brief summary and record of the basic knowledge related to the standard 8051 register.
8051 SFRs: SFR is th...[Details]
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1. General process of bare metal development
Note: This assumes that you have already set up a bare metal development environment
Our general bare metal development process: Figure 1-1:
...[Details]
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