1. In a 100M switch, multiple VLANs are configured. Do these VLANs share the 100M bandwidth or have exclusive use of it?
2. Two VLANs are set up, namely VLAN1 and VLAN2. A port in VLAN1 is set as Hybr...
[align=left][size=4]In order to better standardize and manage the EEWORLD assessment expert team and improve the quality and level of assessment experts, the "EEWORLD Assessment Expert Application and...
I made a parallel power supply system, which is the national competition question in 2011. I used the method of constant voltage in the first channel and constant current in the second channel. I foun...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
introduction
As the application of single-chip microcomputers in various fields becomes more and more extensive, the requirements for their reliability are also getting higher and higher. The ...[Details]
Traditional UPS uses analog circuit control. For manufacturers and users, analog control has many limitations, whether it is phase control technology or SPWM technology. With the development of inf...[Details]
introduction:
In today's society, the use of cars, especially private cars, has become very popular. The car access control system plays a vital role in protecting the safety of personal p...[Details]
1. Introduction
The human balance ability is the basis for people to carry out various sports. People need balance ability to stand, sit, lie down, and walk. Once a person's balance ability is...[Details]
Emerson Solar & Wind has been selected by Chinese PV company GCL-Poly to supply inverters for two major solar projects in California, USA.
In April this year, GCL-Poly selected Quanta Power Ge...[Details]
Commonly used power management chips for portable products
●Low Dropout Regulators (LDO Linear Regulators)
LDO
VLDO;
●DC/DC Converters based on inductor energy...[Details]
This article focuses on systems that use electric vehicle batteries to power homes.
The driving battery of the electric car "Leaf" has a large driving battery capacity of 24kWh. When fully cha...[Details]
Last week, Microsoft's Windows Phone 8 system was launched with great fanfare and attracted much attention from the industry. However, Nokia, the most staunch supporter of Microsoft's Windows Phone sy...[Details]
Google officially launched the new tablet Nexus 7 (center) and multimedia player Nexus Q (right).
MarketWatch reported on Wednesday (27th) that Google Inc. (GOOG-US) finally unveiled the t...[Details]
1 Modular
UPS
is not widely accepted by customers
It is very simple to connect DC power supplies in parallel. All you need is the same voltage amplitude and polarity. Si...[Details]
Introduction
RS422 is a widely used standard bus in serial communication. It can easily connect various computers, external devices, and measuring instruments to form a measurement and control ...[Details]