27.5M-DAG-014B

　　The communication circuit between the monitoring module and the rectifier module is shown in the figure. Optocouplers N9 and N452 provide isolation between the microprocessor D211 and the rectifier...[Details]

Robert Bosch Venture Capital (RBVC), a subsidiary of Bosch Group, has completed its investment in Basic Semiconductor. Basic Semiconductor, headquartered in Shenzhen, is one of China's leading provid...[Details]

The impedance matching of the probe refers to the impedance matching between the probe and the oscilloscope circuit, which is mainly the capacitance effect. When the impedance does not match, the sig...[Details]

The MCU development board is made by myself. The circuit is very simple. The rows and columns of the 8*8 dot matrix are connected to the P0 and P1 ports of the MCU respectively. Remember to use a...[Details]

A signal generator is a device that can provide electrical signals of various frequencies, waveforms, and output levels. It is used as a test signal source or excitation source when measuring the amp...[Details]

Qichacha shows that on July 21, Julicheng Semiconductor (Shanghai) Co., Ltd. underwent industrial and commercial changes, adding Hainan Yunfeng Fund Center (Limited Partnership) and CICC Pucheng Inve...[Details]

At the just-concluded Apple Spring Online Conference, Apple, as always, used its video creativity to unveil the mystery of new products for us step by step. But after watching the one-hour conference...[Details]

When you receive a call from the official customer service of a certain brand out of nowhere, do you become suspicious?   Apple's latest advice to consumers is not to answer calls, except in one situ...[Details]

In some occasions of practical applications. For example, in the intermediate frequency amplifier of radio and TV receiver, the spectrum of the signal flare is concentrated in a narrow ra...[Details]

In the development process of ARM programs, interrupt handling is very common and very important. The RVCT compiler used by Realview MDK provides the __irq keyword. Functions modified with this keywor...[Details]

The differences between ARM, TI, ST and other companies in the eyes of embedded system learners ARM is a company that makes chip standards. It is responsible for the architecture design of the chip c...[Details]

MEMS microphones improve sound quality with small size and excellent performance More and more mobile devices, such as mobile phones, headphones, cameras and MP3, use advanced noise reduction technolo...[Details]

1. Introduction Pulse meter is a common electronic electricity meter on the user side of the power system. For remote electronic meter reading system, reliable and accurate measurement of ...[Details]

GNU is a free software project, which aims to create a free software environment that is fully compatible with UNIX . GNU has developed most of the program libraries and tools for UNIX systems, such ...[Details]

Recently, a scientific and technological achievement of Jiayuan Technology - "Research and Industrialization of Production Technology of High-Performance Ultra-Thin Electrolytic Copper Foil for Fas...[Details]