I need to make a 2.4G long-distance module. I want to recommend a single LNA, a single PA, or a LNA+PA+SW integrated chip. I want a cheap one. Thanks a lot....
The TGF4042 function generator uses a 14-bit DAC with a main frequency of up to 400 MHZ. The manual clearly indicates the frequency resolution, but does not clearly indicate the amplitude resolution. ...
[align=center][img]http://img1.qq.com/news/pics/15885/15885016.jpg[/img][/align][align=center]Zhang Shengli[/align]On February 17, Zhang Shengli, director of the State Radio Administration, died unexp...
[i=s]This post was last edited by ddllxxrr on 2017-7-29 09:51[/i] I added a lithium battery last week, and I have to charge it this week. I looked at the PDF of MAX14690 and found the following instru...
rss:345:respawn:/usr/java/jre1.5.0_10/bin/java -Djava.rmi.server.codebase=file:///opt/ocmp-tomcat/webapps/axis/WEB-INF/classes/ com.nec.nc7000.mr_as.OmbfSoapRmiServer I want to start a process now. Th...
Online fault monitoring terminals or fault indicators (FCIs) are a low-cost solution that is easy to implement, requires little or no maintenance, and is therefore increasingly in demand in distributi...
On August 24th, Jin Yuzhi, CEO of Huawei's Intelligent Automotive Solutions BU, announced the first automotive application of Huawei Qiankun's unique Limera technology. This technology eliminates t...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[Details]
Lithium-ion batteries are a key component of electric vehicles. Their high energy density enables them to store a large amount of energy in a relatively compact and lightweight package, which is cr...[Details]
Driven by business opportunities such as access to new markets and government initiatives like the Belt and Road Initiative, global expansion has become a significant trend for Chinese companies. C...[Details]
As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[Details]
With the development of vehicle technology, there are more types of cars. Cars are divided into hybrid, pure electric vehicles, and fuel vehicles. For hybrid cars, they are divided into plug-in hyb...[Details]
Which is better, copper braided wire flexible connector or copper stranded wire flexible connector? When choosing copper wire flexible connector, people always struggle with whether to use copper b...[Details]
Amid the increasing complexity of electronic system power management,
power architecture design
is undergoing a paradigm shift from experience-driven to tool-enabled.
Analog
Devices...[Details]
The assisted driving industry in 2025 stands at the dual crossroads of "large-scale implementation" and "safety upgrades." Cities like Beijing and Wuhan have already issued regulations de...[Details]
introduction
Commercial air conditioner PCBs involve both high-voltage and low-voltage power. The power supply for commercial air conditioners often passes through the controller. This forces ...[Details]
Lisle, Illinois – August 19, 2025 –
Molex Incorporated, a global electronics giant and leader in connected innovation, celebrates the opening of its new China sales office dedicated to the auto...[Details]
1. Introduction to power amplifier circuit
1. Generally speaking, the main function of a power amplifier circuit is to allow the load to obtain maximum power without distorting the signal or c...[Details]
01 Introduction
The SINAMICS V20 inverter controls three-phase AC asynchronous motors. Depending on the size (frame sizes FSA to FSD), the power range of the three-phase AC 400V inverter cover...[Details]