Research Analysis:A total of 30 questionnaires were received , and 22 valid questionnaires were answered as required .From the age distribution point of view:35-40 years old : 4 people; 30-35 years ol...
Can anyone give me a C language program to measure the duty cycle of a square wave using the 89s52 microcontroller? Thank you very much! It's urgent...
Dear brothers and sisters: Does anyone have an idle FPGA development board? Any chip model is fine! If you have one, why not sell it to me? :loveliness: If you have one, please let me know. QQ: 513952...
[Transfer] Author unknown[p=24, null, left][color=rgb(73, 73, 73)][backcolor=rgb(255, 255, 255)][font=微软雅黑][size=14px]In most applications, ripple is a circuit state that engineers want to minimize. F...
The following is the program for setting the filter function. It is the source code in the book. I don’t know why it failed to execute. I used GetLastError() in the client program and got 2. The speci...
Recently, Qorvo announced the launch of a new generation of multi-time programmable power management IC (PMIC), which is optimized for high performance and compact design. Everyone knows that Qorvo's ...
TD-SCDMA (Time Division Synchronous Code Division Multiple Access) is one of the three major standards for the third generation of mobile communications. It is a communication standard with indepen...[Details]
As medical equipment develops towards intelligence, miniaturization, serialization, digitization, and multi-functions, the logic control devices in medical equipment have also evolved from medium- a...[Details]
Magnetic resonance imaging (MRI) systems can take high-resolution cross-sectional perspective images of the human body, providing very useful information for medical diagnosis. The radio frequency pro...[Details]
Digital signal processors have efficient numerical computing capabilities and can provide a good development environment, while programmable logic devices have highly flexible configurability. This...[Details]
How can we get the highest performance from an A/D converter? The obvious answer is to use good design and board layout, but there are other techniques that can be used to improve performance. We can ...[Details]
Overview
Bioelectric signals are very weak, and there is strong interference when detecting them. Therefore, there are many technical difficulties in designing high-quality bioelectric ampli...[Details]
With the development of automatic control technology, the application of precision air pressure generation and control technology is becoming more and more extensive. However, the traditional valve...[Details]
In response to a series of problems caused by the backwardness of traditional water meters, the Ministry of Construction of China has proposed the requirement of "three meters per household" for ur...[Details]
Lithium-ion battery is a widely used rechargeable battery. It has the advantages of high single-cell operating voltage, small size, light weight, high energy density, long cycle life, rapid full ch...[Details]
Many MEMS devices, such as accelerometers and mechanical resonance devices, require a vacuum environment to realize their designed functions. However, verifying whether the package cavity has reach...[Details]
E6601A is Agilent's new generation of comprehensive tester platform, designed to provide low-cost calibration solutions for mobile phone manufacturers. It uses an open Windows® XP platform, allowi...[Details]
summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]
In order to meet the requirements of video systems, industrial and medical display and video transmission applications such as eliminating the limitation of long connection cables, increasing data ...[Details]
A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]
1. Introduction
The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]