June 9 news, according to foreign media reports, the upcoming Apple iOS5 operating system Developer Build version seems to reveal more information that Apple has considered. There are references to "i...
I made something with Fujitsu's MB91F599, and the teacher required 3mA current in standby mode. I thought it was not difficult, but after two days of work, I felt annoyed. After turning off a few time...
The purpose of the circuit is to input a signal Vin, compare it with the reference voltage, and output two corresponding signals, one output is high level and the other output is low level.
The circui...
After reading uboot and knowing the transplantation process, I want to try to configure uclinux by myself and study it in depth. I have some doubts. Please advise. 1. I tried to configure uclinux and ...
I am planning to use CSR Bluetooth module for experimental design recently. If you have any knowledge, please recommend me where I can find Bluetooth module development board. The Bluetooth module I n...
Mr. High Speed Original Article | Wang HuidongPreface:If you love someone, please ask him to make high-speed PCB ; if you hate someone, ask him to make high-speed PCB.At the beginning, I was also very...
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]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[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]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[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]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]
Globally, the market for airbags and other restraint systems consists of different geographical regions, each with its own characteristics and needs. North America first introduced airbags in mass-...[Details]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
Today, as information becomes an increasingly important resource, strong market demand and the development of microelectronics technology have led to the rapid development of portable electronic sy...[Details]