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.
[size=4]1. In wireless communication, the carrier bandwidth is the difference between the highest and lowest frequencies of the carrier, B=Fh-Fl. [/size] [size=4] [/size] [size=4]2. In fact, it is the...
【Event Details】 Welcome to Tektronix High Speed Serial Knowledge PlanetNext generation digital interface standards (serial, memory, display, etc.) push the limits of compliance and diagnostic tools, c...
[i=s]This post was last edited by Changjianze1 on 2021-4-4 11:07[/i]Suffocating PLL clockLet me check the clock first.It seems that the maximum system frequency is 64MHZFirst, let’s look at the clock ...
Today, I saw a young man resign from ZTE, and then he wrote a resignation letter in anger. But to be honest, this young man really dared to speak his mind.The content is as follows:Today, ZTE was also...
[i=s]This post was last edited by Xianjing on 2021-2-19 13:57[/i]Dear forum friends, Happy New Year, I wish you all a prosperous Year of the Ox, and more trials and reviews. First of all, I am very gr...
Today I finally downloaded the mdk code, compiled it with mdk5, and it passed.I found that many files are written in C++, which is not easy to understand. I need to spend some time to digest them. The...
This afternoon, iQOO officially released the new iQOO 3 5G mobile phone, with a starting price of 3,598 yuan. iQOO 3 5G adopts the powerful iron triangle configuration of Snapdragon 865+LPDDR5+th...[Details]
As we all know, reports say that Huawei currently has a series of chip product lines including Kirin, Balong, Honghu, Lingxiao and Kunpeng, and HiSilicon has recently launched new chip development an...[Details]
The TI Cup 2019 National Undergraduate Electronic Design Competition Award Ceremony was successfully concluded at the Beijing National Convention Center. Academician Wang Yue, academician of the Chin...[Details]
Jiwei.com reported on September 9 that as the highlight of tonight’s vivo X70 series new product launch conference, the vivo X70 series is packed with features in terms of imaging. First of all, the ...[Details]
Although the detection tube has many advantages, its accuracy is the key to determine whether it is valuable for use. The accuracy of gas detection tubes has gradually developed from qualitative deter...[Details]
Lithium-ion batteries are used all over the world. Although they have faced competition from sodium and magnesium batteries in the past few years, they have become an indispensable energy source due ...[Details]
According to Taiwan's Economic Daily News, after raising the price of long-term customers in November and taking effect in January next year, UMC issued another price increase notice yesterday, raisi...[Details]
Since vector network analyzers have the characteristics of wide frequency range, large dynamic range, high resolution accuracy, fast real-time, simple to use, flexible and convenient, they are freque...[Details]
ARM's research and development journey is long and interesting. Its well-known development advantages and its helplessness when faced with problems make people love and hate ARM. What is your relatio...[Details]
I didn't quite understand the serial port download in the Zhengdian Atomic Development Guide, so I simply read the manual. STM32 can be divided into three boot modes: 1: boot from main Flash; 2: bo...[Details]
In real-time embedded systems, the energy consumption of the core processor accounts for a considerable part of the total energy consumption. Dynamic voltage scaling is regarded as a key technology...[Details]
Apple is expected to release an "iPhone Fold" with a flexible OLED screen before 2024, and foreign media AppleInsider recently created exclusive renderings to show what it might look like. Rumors a...[Details]
The figure shows an oscillator composed of ECL or NOT gates (a).
An oscillator can be easily formed by using an ECL single-gate circuit or a dual-gate circuit and an RC timing network. In practical...[Details]
1. Background of the application of electronic monitoring in passenger vehicles
1. Anti-terrorism needs
After the 9.11 incident, countries have increasingly demanded anti-terrorism measure...[Details]
I remember about 6 years ago, I was flipping through a computer-related magazine and saw an advertisement for a hard drive. I can't remember the brand, but the thing that impressed me most was the ...[Details]
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