Hot discussion: How many spacings are required for GND vias in RF high-speed PCB design?Jianghu boy said: It is for better grounding and to prevent interferenceWhite-robed swordsman says: The "fence" ...
[align=left]The variable frequency power supply can be used for a long time without frequent failures, which is inseparable from the maintenance and repair of the variable frequency power supply by th...
5G / UHB FEM
Qorvo Enabling 5G/UHB Mobile Connectivity
High data rate 5G drives high bandwidth RF5G brings unprecedented bandwidth, some in frequency ranges never before used for cellular communicatio...
[i=s]This post was last edited by 1nnocent on 2020-8-13 18:03[/i]In the book Switching Power Supply Design (3rd Edition),The logical relationship behind this is that the EA output voltage decreases, w...
On October 19, the topic of "Tsinghua University's virtual students suspected of having real-life AI faces replaced" attracted attention online.Some netizens questioned that the "Tsinghua virtual stud...
Fingerprint access control replaces traditional keys with fingers. When using it, you only need to place your finger flat on the collection window of the fingerprint collector to complete the unlo...[Details]
This article introduces a COVID-19 NFC oral detector to ensure normal operation for everyone entering and exiting the office. Affected by the coronavirus epidemic, office buildings strictly con...[Details]
Recently, many users have reported that their MacBooks cannot be charged. The main symptom is that the battery level is only 1% when the computer is turned on. The system shows that the battery is no...[Details]
Everything seems fine with the capacitor until you get to the point where the power supply fails or refuses to operate optimally. If the problem is noise, there is an easy fix, you just add more ca...[Details]
Since the development of the fast ball, various technologies and functions have been quite mature, but it is currently facing a serious situation of product homogeneity. The development prospects of t...[Details]
There are many ways to choose the pins of the STM32 microcontroller. If you configure it by writing registers directly, then, look at the manual and write 0 or 1 to the corresponding bit of the "con...[Details]
In the development, production and preparation of weapons, it is necessary to frequently test the speed of projectiles. The traditional methods mainly include two types: zone interception devic...[Details]
On the afternoon of May 12, the press conference of UDE International Consumer Electronics and Future Life Expo (hereinafter referred to as UDE2021) was successfully held. The organizer of the exhibi...[Details]
Recently, the first digital RMB charging station in Beijing, developed and constructed by State Power Investment (Beijing) Comprehensive Energy Company, a subsidiary of State Power Investment Beijing ...[Details]
What should I do if BT3562 fails? Recently, a laboratory teacher from a Shanghai university sent a Hioki BT3562 for repair. He said that the BT3562 suddenly failed to turn on during use and was urgen...[Details]
The transition from an internal combustion engine (ICE) to an electric vehicle (EV) requires at least five new electrical/electronic/programmable electronic (E/E/PE) systems. Figure 1 depicts these s...[Details]
Signal source analyzer is a commonly used instrument for measuring crystal oscillators, PLLs, clock circuits, and phase noise. As a comprehensive measuring instrument, signal source analyzer provides...[Details]
1. Before entering the work area, safety confirmation must be carried out. After taking corresponding safety protection measures, such as masks and gas masks (depending on the specific scenario of us...[Details]
Gentex , a supplier of automotive automatic dimming rearview mirrors and electronics, has developed a Full Display Mirror (FDM). FDM is an intelligent rearview mirror system that uses a custom camera...[Details]
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