1. What is overshoot?
When a faster signal drives a longer trace and there is no effective matching in the trace topology, overshoot often occurs. The main problem caused by overshoot is that the "1...
What is the difference between using * and ? in the day of the week in a cron expression? I checked some information, but none of them are clear. For example, one of the information saysCron expressio...
The driver board has arrived and has been soldered. I have been busy outside for a while and was sent by the company for training. I am only starting to post now.
It uses a conventional 6MOS driver, a...
Power management, battery management (26 questions and answers in total, compiled by TI power battery expert Richard Tang)
Selection design, fast charging and wireless charging, LDO design, battery li...
Seeing that @未见's Qinheng CH224D USB PD portable soldering iron is here , I was reminded of PINE64's latest portable soldering iron, which is based on the domestically produced Boluo BL706, supports l...
In addition to an independent watchdog, the STM32 also has a window watchdog. The window watchdog can of course also reset the MCU, but it is different from the independent watchdog reset. First, the ...[Details]
On August 7, the Fujian-Kinmen-Matsu power grid interconnection seminar was held in Xiamen, Fujian. The meeting was hosted by the State Grid Corporation of China and the Fujian Provincial Associati...[Details]
Synchronous reset issues in design
1. Problem (I)
In many places, designers prefer synchronous reset designs in terms of clocking. The reason may be to save some chip area (flip-flops with as...[Details]
Recently, Hyundai Autron and Wind River signed a cooperation agreement, and the two parties will cooperate to develop the next-generation autonomous driving and connection platform. In fact, as earl...[Details]
Overview
With the rapid development of economy and the improvement of people's living standards, the number of cars has increased year by year, but it has also led to the worsening traffic con...[Details]
Stuttgart and Munich, Germany – The era of charging your electric car has arrived: With its new lightweight, intelligent charging cable, Bosch can be plugged into a 230-volt power socket with integra...[Details]
On the evening of May 13, Zhang Guoquan, director of Xiaomi's mobile phone system software department, posted on Weibo that the development version of Xiaomi 8 is planned to be launched next week, an...[Details]
If you want to make the light flash continuously, it will have certain practical value, for example, it can be used as a gas. How can you make the light flash continuously? In fact, it means that the ...[Details]
According to the Nikkei, JDI officially announced today that it will receive joint financial support of up to 80 billion yen from a mainland and Taiwan business alliance. However, on the 9th, JDI a...[Details]
Preface For a long time, I had an inexplicable awe for MMU. It came from my incomplete understanding of it, so I must record the principle of MMU in full here as a closure for the past. The signifi...[Details]
According to the Science and Technology Innovation Board Daily, Changdian Technology said that its shareholder, the National Integrated Circuit Industry Investment Fund, plans to reduce its holdings ...[Details]
WPG Holdings, a leading electronic components distributor dedicated to the Asia-Pacific market, announced that its subsidiary Pinjia has launched a complete telemedicine solution, which includes Micr...[Details]
As a new light source, in recent years, major companies and research institutions have been conducting research on LED
power supplies
and drive circuits. Unlike the electronic ballast of ...[Details]
1. What is the impact of software clock recovery and hardware clock recovery used in serial data testing on measurements? What are the advantages and disadvantages of each?
2. The oscilloscope indust...[Details]
The all-vanadium liquid flow energy storage battery production project is one of the key projects newly started in Dunhua City in 2024. Since the start of construction of the project, the construction...[Details]
Analogue and Mixed Signal
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