Hello everyone, our company is planning an event for May Day, and we plan to buy 20 mobile phones as gifts for employees to draw. Can you recommend a mobile phone with a high cost performance (the bud...
The FPGA I use is ep4ce15e, and the hardware is connected to an epcs16. What I don't understand is that I saw the official document an370.pdf from Altera that introduced the serial flash loader IP, wh...
1. When you encounter a beggar: If you encounter one who asks for money, give him/her some food; if you encounter one who begs for food, give him/her some money. [/size][/font][/b] [/color] [url=http:...
There is a tab control in the dialog, and in each tab's dialog there is a group box, and in the group box there is a button. The actual result now is that the tab control and the group box are display...
The ripple rate R of the inductor in the switching power supply is generally recommended to be around 0.4 as the best value? Then I started to ask?When we design the inductance value, we set an empiri...
[font=新宋体]Today, in our group (group number: [size=3][color=#ff00ff][b]309018200[/b][/color][/size], everyone is welcome to join~[/font]{:1_124:}{:1_124:}{:1_124:}[font=新宋体]) we had a very lively disc...
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]
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]
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]
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]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[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]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[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]
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]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[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]
Reliability and real-time performance are the basic requirements for control systems. Initially, motor control used analog circuits with discrete components. With the advancement of electronic tech...[Details]
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