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0 Introduction
With the development of power electronics technology and large-scale integrated circuits, variable frequency speed regulation systems based on integrated SPWM circuits hav...[Details]
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The design uses Motorola's integrated chip MPXY8020A for TPMS as the main device of the tire pressure detection unit, which further reduces the size of the system and reduces the power consumption ...[Details]
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The biggest feature of Class D audio power amplifiers is high efficiency, which has the advantages of saving power and reducing heat. If the efficiency of the amplifier is 90% and the chip package ...[Details]
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The difference between constant current and constant resistance modes of electronic load
When testing a power supply, the main difference between the constant current and constant r...[Details]
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According to foreign media reports, someone successfully used 99 smartphones to create a virtual traffic jam to trick Google Maps. The user named Simon Wechkert loaded 99 smartphones onto a cart and ...[Details]
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Earlier this month, Samsung released the new Samsung Galaxy A53 5G overseas. Now the price of the Chinese version of the new phone has been announced. The 8+128GB version is priced at 3299 yuan...[Details]
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Founded in 1987, TSMC has held its annual technology symposium since 1994, and this year marks its 25th anniversary (a point that was generally highlighted at the Santa Clara Convention Center). “The...[Details]
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0 Introduction
At present, LDPC codes have been widely used in deep space communication, optical fiber communication, digital audio and video broadcasting and other fields. Due to its better pe...[Details]
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The Linux kernel writes the LED driver as shown in the figure: According to the diagram, we find that we need to write two parts: one is the APP, and the other is the underlying driver. The APP fin...[Details]
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Since the amplitude of the sinusoidal signal after the AD9851 filter output is greater than 1V and the output resistance is very large, we made a Class A and B dual-power supply complementary symmetr...[Details]
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This article is selected from the "ChatGPT Research Framework (2023)". The original report is Guotai Junan Securities' "ChatGPT-Generative has reached a turning point, and the prospects for com...[Details]
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; Copyright (c) 1998, MICROCHIP Technology Inc ;******************************************* TITLE "PS7219 TEST" ;Title LIST P=16C711 ;Processor is PIC16C711 microcontroller #INCLUDE P16c711.IN...[Details]
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Pulse Width Modulation (PWM), short for "Pulse Width Modulation", is a very effective technology that uses the digital output of a microprocessor to control analog circuits. It is widely used in many...[Details]
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In this issue, I would like to share with you a tip on using an oscilloscope - optimizing the performance of an oscilloscope, provided by LeCroy technical expert Wan Lima. The following tips can hel...[Details]
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introduction
In recent years, with the development of wireless technology, the tracking and positioning of people and objects in indoor and outdoor environments has attracted extensive...[Details]