[size=4] This is an ON multi-way switch. During use, I found that the input and output are not rail-to-rail. This is not specified in the manual. [/size][size=4] For example: when VCC=5V, for example,...
Yesterday I turned it intoI spent more than ten hours testing the soldering and then put it on itTesting the pass and fail information of the IC, I closed my eyes and saw only thread ends[[i] This pos...
[b][color=rgb(51, 51, 51)][font=微软雅黑] [/font][/color][color=rgb(51, 51, 51)][font=微软雅黑][size=12pt]Some people think that the heating of LED light strips is a quality problem, but this is wrong. Althou...
I have been watching driver development for a while. I think that if you want to really master driver development, you must have actual hardware. I didn't find such actual hardware at that time. Of co...
Flying probe test: Use probes to replace the bed of nails, and use multiple motor-driven, fast-moving electrical probes to contact the pins of the device and perform electrical measurements.During the...
We are developing a Wince program and want to embed an IE browser to use network resources. We want to connect it seamlessly with the program, that is, only the IE client area is displayed in the prog...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
1 Introduction
Automatic Test
System The ATS (Automatic Test System) integrates all the stimulus and measurement equipment required for testing.
The computer
efficiently comp...[Details]
Discrete Device
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