I am using modelsim 10.0b. I am not very familiar with modelsim. When I first installed it, I could run simple program simulations. One time, I saw on the Internet how to compile the altera library in...
How many times can an SD card be written? Some say it can be written 500 times, and some say it can be written 100,000 times. The SD card in our mobile phone has been used for several years without an...
1. I am a computer science graduate who has been using VC++ to write programs. 2. I know nothing about circuits, but I know a little bit about Protel DXP. 3. I want to use a NEC microcontroller to mak...
[size=5][b][font=微软雅黑][color=RoyalBlue]Solution Overview: [/color][/font][/b][/size] [font=微软雅黑][b]· Application Value: [/b]Energy consumption is a universal problem facing the world, and many industr...
Source: Technology Golden Eye
This article is excerpted from the latest publication "China Science and Technology Hotspot Review 2019" (Science Press, July 2020). In order to avoid misinterpreting t...
[align=left][b][font=宋体][size=15pt]Making an SD card for the boot system[/font][/size][/font][/b][/align][align=left]Note: The purpose of making an SD card for booting is to enable the CPU[/font][font...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[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]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[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 the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[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]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
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