one A simple and magical formula Today's story starts with a formula. This is a simple and magical formula. It's simple because it has only three letters. It is magical because this formula contains a broad and profound myste
On November 23, the 11th Annual China Satellite Navigation Conference (CSNC) with the theme of "satellite navigation, a new global era" was held in Chengdu. As a leading enterprise in the field of satellite navigation and positioning in China, H
two thousand and twenty On November 23, 2003, at the 11th Annual China Satellite Navigation Conference, Huada Beidou, a leading domestic navigation and positioning chip manufacturer, released a new generation of Beidou 3 consumer navigation and positionin
Risc-v, which is also an open source instruction set, has been accepted and even adopted by more and more companies, and some people in the industry regard it as a strong opponent of arm. Now there is another giant for risc-v platform, Samsung. At the ris
Recently, I discussed the error model and calibration process of vector network analyzer with a colleague in the industry. I briefly sorted it out and shared it with you. Welcome to discuss it together. The error model of vector network is really no
Connector industry overview A connector usually refers to an electromechanical element that connects a conductor (wire) with an appropriate mating element to turn on and off current or signal. It is widely used in aerospace, communication and d
Millimeter wave and sub-6ghz complement each other and have made continuous breakthroughs recently.According to 3GPP protocol, 5g network mainly uses two frequencies: FR1 band and FR2 band. The frequency range of FR1 band is 450MHz ~ 6GHz, also known as s
Master on stage, supreme feeling. Recently, Xiaomi launched the supreme commemorative version of Xiaomi TV "master" 82 ", which supports 8K ultra-high definition resolution, is equipped with mobile communication rm500q 5g module, adopts new
The RF receiving front end includes LNA, filter, mixer and other components. From the perspective of noise factor cascade, it is hoped that the first stage of the receiving link is a high gain and low noise figure amplifier, so as to obtain a lower system
Now many people still know something about WiFi networks, especially the wifi antenna, which has emerged now, is deeply concerned by people. Of course, when using this antenna, people consider the problem of signal. How can we ensure the signal of this an
At present, all kinds of antennas can still be applied in many different fields, especially the GPS antenna, which is also deeply concerned. Of course, the performance of this antenna is also worthy of attention. What factors are related to the performanc
Reading Guide: as long as you can understand the GPS ceramic antenna, you will find that such an antenna can still play a certain role. The main role is to further locate it. Of course, when using the antenna, you still need to pay attention to these poin