I use pure hardware to make a three-phase inverter, with sine waves from LM358 and triangle waves from 555. I use LM358 to compare the SPWM, and the phase difference is 120. But when the input voltage...
Some time ago, I posted a thread about the LCR measurement circuit, and I have some ideas. https://bbs.eeworld.com.cn/thread-476594-1-1.html Under normal circumstances, LCR measurement should use two ...
Abstract In the post-PC era, more and more fields require the support of embedded systems. Traditional embedded system development methods can no longer meet the growing complexity and quality require...
Every time a new mobile phone standard is released, we see new claims about the “end of Wi-Fi.” When 3G was announced, there were promises that the advent of the technology would lead to the rise of W...
I would like to ask you: When I am routing in Protel DXP, when I click on the pad to be routed, only the pad of this network is displayed, and the pads of other networks disappear. When I exit the rou...
[Evaluation and experience of Zhongke Yihaiwei EQ6HL45 development platform] +03. Flowing light simulation and board test (zmj)
The Zhongke Yihaiwei EQ6HL45 development platform provides a very rich i...
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
Power technology
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