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1. IGBT Introduction
The normal operating frequency of IGBT is 10-20kHz, and its switching speed is much faster than GTO and IGCT. It is a better choice in AC motor variable frequency spee...[Details]
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Three groups of registers defined by Cortex-M3 are used in STM32. The description of these three groups of registers is not in the technical manual of STM32. You need to refer to the Cortex-M3 Technic...[Details]
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On October 8, 2019, Swiss scientists Michel Mayor and Didier Queloz and Canadian-American James Peebles jointly won the Nobel Prize in Physics for their pioneering work in cosmology and exoplanets. ...[Details]
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High-volume alarm generator
The circuit of this alarm sound generator is simple, the working performance is stable and reliable, the working voltage is 6V-12V, and it is suitable for use as a ...[Details]
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1 Introduction At present, the power regulation of high-frequency induction heating power supply has two modes: DC side power regulation and inverter side power regulation. The inverter side power...[Details]
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AbstractThis report presents a reference design of a 7W AC/DC LED lighting driver with TRIAC dimming. The solution uses a single-stage power factor correction (PFC) inverter topology with primary-sid...[Details]
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According to Reuters, Apple CEO Cook said in an interview that the company is closely monitoring the outbreak of the new coronavirus in South Korea and Italy and its impact on Apple suppliers. Accord...[Details]
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The network analyzer was developed on the basis of the four-port microwave reflectometer (see standing wave and reflection measurement). In the mid-1960s, automation was achieved, and the computer was...[Details]
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Photovoltaic power generation systems use electronic components to convert solar energy into electrical energy. The inverter, as the core of the entire system, is usually divided into two categories:...[Details]
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1. Thumb instructions and ARM instructions Thumb instructions are 16 bits, so the code storage density is high and the storage space is saved. However, the functions are not complete. It is just a su...[Details]
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Abstract: Based on the research of the structure and working principle of the electric power steering system (EPS) and its controller (ECU), a control system based on the ARM S3C44B0X single-chip ...[Details]
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The U.S. government issued a 90-day "temporary general license" to postpone the existing trade ban on Huawei and its affiliates' products and services in the United States so that the company can pro...[Details]
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#include
#include macros.h
#define uchar unsigned char
#define uint unsigned int
#define ds1302_rst PE4 //define 1302 RST to PE4
#define ds1302_io PE3 //Define 1302 IO ...[Details]
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Smart parking product: EM-Parking System
Unique advantages:
Superior technical performance - Pixel-level fusion to achieve high-precision free driving space perception - Real-...[Details]
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On January 9, 2024, Dalianda Holdings, a leading international semiconductor component distributor committed to the Asia-Pacific market , announced that its subsidiary Shiping launched a Bluetoot...[Details]
Test/Measurement
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