If an active clamp PWM controller (such as UCC2894) is then added, the overall efficiency of the LCDTV power system can be optimized because a series of well-defined functions realize zero current swi...
[i=s]This post was last edited by ltbytyn on 2014-1-4 22:38[/i] There are 4 loads in the demonstration, and the parameters of the 4 loads are set as follows. Branch 1: Low priority in automatic mode, ...
The following is a constant current circuit diagram of a charging circuit. During debugging, it was found that the 5th pin of the dual op amp IC could not be stabilized. After disconnecting R35, it be...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:10 [/i] The Definitive Guide to Op Amp, a super awesome book, sorry, I need a gold coin, because I need some gold coins to download the info...
This is the normal opening. Then I want to view the first layer, enter the shortcut key z1, as shown in the figure: . Check the z2, z3, z4 layers in turn, and finally when I want to return to the orig...
The seventh day of the seventh month of the lunar calendar is the traditional Chinese festival of the Han nationality. Because the main participants of the activities on this day are girls, and the co...
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
As the electromagnetic environment in space becomes increasingly complex, the shielded cables used to transmit weak signals in the test system are easily affected by external electromagnetic distur...[Details]
Workers in garment factories usually turn on the power of the sewing machine motor as soon as they get to work and do not turn off the sewing machine power until they get off work. In fact, during ...[Details]
Hall sensor
is a semiconductor element that works by using the Hall effect. Due to the high conversion efficiency, fast response speed, wide dynamic range, good frequency characteristics and ...[Details]
The development of the machinery manufacturing industry from single-machine automation to distributed DNC control systems requires the first technical solution to the information exchange and inter...[Details]
1 Introduction
Embedded touch screen device is a human-computer interaction device. Generally, the touch screen is installed on the LCD screen. The microprocessor is used to control the touch ...[Details]
At present, the common motorcycle brake light source is still dominated by incandescent lamps, and the red light distribution lens is added to achieve the light distribution requirements. The disad...[Details]
0 Introduction
Single-chip microcomputer data acquisition system refers to a system that uses single-chip microcomputers to collect, store, display and transmit various signals on site, includi...[Details]
We know that all
LEDs
must be powered by a constant current source, but currently many street lamp manufacturers mostly look for suitable constant current modules after
the LED modul...[Details]
Power technology
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