I am currently working on a project with a USB interface based on FPGA. I want to learn more about USB chips. What are the commonly used USB chips? Can you introduce them to me? I currently know the C...
Could you please tell me how to make a 50 ohm impedance antenna, taking the 433M antenna as an example, what material, shape, and size should be used? How to test it?...
My platform is pxa270+WInce5.0. At first, we used the desktop background that comes with wince, but later the customer asked to change it to their logo image. I added an item in the registry, namely: ...
[i=s] This post was last edited by Wince.Android on 2014-3-7 16:59 [/i] [p=26, null, left][color=#333333][font=Arial][b]Program compilation, linking, loading: [/b][/font][/color][/p][p=26, null, left]...
Easy Power Supply has indeed simplified the power supply design in the circuit, integrating some components that used to take up a lot of space into a power chip, such as inductors. I also heard about...
The device cannot get enough available resources PCM_RESOURCE_LIST pResListRaw = I.AllocatedResources(); PCM_RESOURCE_LIST pResListTranslated = I.TranslatedResources(); status = m_MemoryRange0.Initial...
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]
1 Introduction
The multifunctional monitor is a commonly used clinical medical device. It can display the patient's electrocardiogram (ECG), respiration (RESP), blood oxygen saturation (SP...[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]
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]
WiMax technology needs to demonstrate its advantages in specific application scenarios in order to gain market recognition, which requires application testing to measure system performance para...[Details]
Abstract: Based on the research of the communication process between the reader and the RFID tag, combined with the EPC C1G2 protocol and ISO/IEC18000.6 protocol, a digital circuit of RFID tag appl...[Details]
Overview
Currently, many portable consumer electronic products, such as mobile phones, PDAs, MP3 players, and notebooks, are equipped with display screens. Although the type and size of the di...[Details]
This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages; then discusses the ideal voltage mode using output c...[Details]
introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pres...[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]
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]
Introduction With the continuous development of economy, people's demand for automobiles is increasing day by day. Correspondingly, automobile consumer groups are becoming more and more mature. It...[Details]