[b]1. What are the characteristics of electronic devices made of semiconductor materials compared with traditional vacuum electronic devices? [/b]Answer: Good frequency characteristics, small size, lo...
The error in the attachment appeared when compiling the source code. From the above, we can know that luuid is missing. After searching, it is found that the e2fsprogs-1.39.tar.gz package is missing. ...
There was a DWG file in my computer, but I never opened it because I didn't want to install CAD. Tonight I installed a DWG file viewer: CAD Mini Viewer, and opened the DWG file. Wow, it was the LCD in...
Design requirements:Center frequency: 1.26GHzBandwidth: ±10MHzInput power: 0 dBmOutput power: ≥36 dBmPower supply: 12VThe design is as follows:This design uses a three-stage amplifier, the first two s...
In response to Murray's suggestion, we will establish a discussion area for the LPC1000 series from now on. The link address is: [url=https://bbs.eeworld.com.cn/forum-109-1.html][color=navy]https://bb...
RT, thumbs up, hope there will be more and better BoostPack~:) @wstt, I recently applied for a few G2955, and want to make a board similar to Launchpad, please suggest~[[i] This post was last edited b...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]