Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
This picture doesn't look like DohertyRF power amplifiers are widely used in various wireless communication devices. In communication base stations, linear power amplifiers account for about 1/3 of th...
I graduated from university in June 2018 and now work in a company that doesn't pay much attention to hardware. This job is really useless and I can't learn any technology. Now I want to find a new jo...
I would like to ask, how to calculate the switching frequency of MOS tube? For example, in the figure below, the optocoupler is 521 and the MOS tube is 3205. What is the highest switching frequency of...
Yesterday, when I was testing an isolation transformer, a wire on the secondary side fell off and touched a wire on the primary side AC220V grid. The transformer was isolated, so it should have been f...
The Jacinto DRA7xx Evaluation Module platform is designed to accelerate development and time to market for applications such as infotainment, reconfigurable digital clusters or integrated digital cock...
In recent years, as people's requirements for transmission rate are getting higher and higher, communication systems are gradually developing towards broadband and high spectrum efficiency. Single ca...[Details]
On December 6, Shenzhen Tianma stated on the investor interaction platform that the company has now achieved mass production and shipment of passive and active digital microfluidic chips, and the ter...[Details]
The essential principle of fieldbus 1) On-site communication network The fieldbus extends the communication line all the way to the production site or production equipment. It is a field communic...[Details]
According to Weibo user @数码闲聊站, a vivo tablet equipped with Snapdragon 870 SoC is on the way and is expected to be officially launched in 2022. In addition, more manufacturers will enter the An...[Details]
In the past, high-speed optical networks were modulated by simply switching the amplitude of light waves on and off at high rates. But now, optical links are following the path of wireless commun...[Details]
The new design needed to be smaller, cheaper, and include more functionality in a fairly short time. To reduce risk, I chose to reuse the physical interface of the previous design, including the iso...[Details]
As a core supplier and technology leader in the field of domestic photovoltaic inverters, Beijing Chenyuan's high-power photovoltaic grid-connected inverters for the high-end market recently underw...[Details]
The standard probe of the oscilloscope can only measure voltage. In fact, the oscilloscope itself can only measure voltage. If you want to measure current, you must use a current probe. The current p...[Details]
Development board: jz2440 Host Linux: ubuntu 9.10 (the one on the data CD) Kernel: linux2.6.22.6 Cross-compiler: arm-linux-gcc 3.4.5 (you can also use the graduate class 4.3.2 compiler, but I didn’t ...[Details]
1. Hardware composition: 1. PIC32MM Development Board The PIC32MM series is Microchip's lowest power and most cost-effective 32-bit PIC32 microcontroller series, with integrated peripherals such as...[Details]
Recently, Fast Technology learned from relevant channels that Dongfeng Motor is developing the second-generation solid-state battery, which has the characteristics of higher energy density on the basi...[Details]
I. Introduction In the current industrial production and equipment maintenance process, people often perform tests for coil inter-turn short circuit faults. However, the testing methods used have alw...[Details]
On September 26, the Qingdao Energy Storage Industrial Park Promotion Conference was held at the Guoxin Hongdao International Convention and Exhibition Center Hotel in Chengyang District. More than 30...[Details]
Today, we increasingly receive medical care and monitoring outside of traditional settings such as hospitals, clinics or doctors’ offices.
This alleviates the pressure on clinical spaces caus...[Details]
1. Unzip: tar -jxvf yaffs_source_util_larger_small_page_nand.tar.bz2 to generate a folder
The premise of steps 2 and 3 is that your kernel does not support the yaffs2 file system and ther...[Details]
RF/Wirelessly
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