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When driving LED light-emitting tubes, there should be two types of connection: common anode connection and common cathode connection. When common anode is used, the positive end of the LED is connec...[Details]
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Abstract: This article introduces the process of RF circuit PCB design using Protel99 SE. In order to ensure circuit performance, electromagnetic compatibility should be considered when designin...[Details]
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At present, although the global microprocessor instruction set architecture is monopolized by Arm and Intel x86, the RISC-V instruction set, which was born at the University of Berkeley in 2010, is e...[Details]
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Selection of the working mode of the switching power supply: In the switching power supply circuit, there are four basic types: single-ended flyback, single-ended forward, half-bridge and full-br...[Details]
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Nippon Paint Investment Co., Ltd. (hereinafter referred to as "Nippon Paint") and Siemens (China) Co., Ltd. (hereinafter referred to as "Siemens") signed a strategic agreement on intelligent manufact...[Details]
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Qualcomm has released the Snapdragon 865 processor and Snapdragon 765/765G processor. We have seen many well-known domestic mobile phone manufacturers calling for this. Some can’t wait to say that th...[Details]
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According to Tianyancha, Huayuan Zhixin Semiconductor (Shenzhen) Co., Ltd. (hereinafter referred to as Huayuan Zhixin) has undergone a number of industrial and commercial changes, with the addition o...[Details]
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1. Introduction Microwaves usually refer to decimeter waves, centimeter waves and millimeter waves. Regarding its frequency range, one statement is: 300MHz ~ 300GHz (1MHz = 106Hz, 1GHz = 109) The cor...[Details]
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Most AVR microcontrollers have PWM hardware. Today, I will explore whether the square wave generated by PWM or precise delay is more accurate. Welcome to discuss. The editor takes the output of 4KHz ...[Details]
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Current measurement is also divided into DC current measurement and AC current measurement. Measuring the operating current of the mouse 1)Measurement of DC current Insert the black test lead into...[Details]
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Introduction USB charging ports have become an essential part of modern vehicle infotainment systems. Passengers are increasingly accustomed to charging their smartphones (or other portable device...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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/*======================================================================================== *Name: main.c *Function: *Entry Parameters: *illustrate: *Example: *Editor Time: *========...[Details]
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The switching speed and signal slew rate of electronic circuits (such as mobile phones, servers, etc.) are higher than before, while the chip packaging and signal swing are getting smaller and smalle...[Details]
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1 Introduction
PowerPC440GP is a high-performance 32-bit RISC embedded processor launched by IBM. It integrates the PowerPC440 core and various peripheral device interface resources on the chip...[Details]