I. Brief description of frequency characteristics (1) Since there is a reactive element C in the amplifier circuit , it presents different impedances for different frequencies, so the amplifier circu...
Today, when I was using HPM6750EVKMINI, the download prompt "Unable to connect to localhost:3333" appeared. The download of the example program that worked well before also had this prompt.After the d...
[i=s]This post was last edited by Jacktang on 2019-6-25 21:05[/i]Engineers who choose to design a wireless IoT application from scratch will quickly realize that the task is difficult. First, building...
[i=s]This post was last edited by Xu Huiqing on 2021-12-9 22:32[/i]Today, I received a module called Erha Image Recognition Artificial Intelligence Visual Sensor, which I applied for a trial on the fo...
When designing a printed circuit board, design engineers will carefully consider the copper wire routing and component placement. If these two points are not fully considered, the efficiency, maxim...[Details]
introduction
Since the introduction of universal programmable DSP chips by TI in the United States, DSP technology has developed rapidly, but DSP power supply design has always been an important pa...[Details]
The Redmi K40 series will be officially released this month, and the new products include Redmi K40 and Redmi K40 Pro. It is worth noting that Redmi has another new product on the way, which is the...[Details]
The figure shows a universal power supply circuit for printed circuit boards composed of a W317 three-terminal adjustable positive integrated voltage regulator. In larger electronic equipment, each p...[Details]
iQOO Z1 officially started pre-sale today, and what surprised many consumers was that the price of the phone was actually reduced in disguise. We went to the official iQOO flagship store on JD.com an...[Details]
Supercapacitors recover kinetic energy when light rail trains slow down and stop at stations, and may also be used in electromagnetic catapults on aircraft carriers in the future.
It only takes 2...[Details]
According to Japanese media reports, at around 2:00 p.m. on March 1, an explosion and fire occurred at the Tokai factory of Asahi Kasei Group's "Kayak Japan" in Mizujiri-cho, Nobeoka City, Miyazaki P...[Details]
1. Use a multimeter to detect whether the electric vehicle battery is good or bad The most accurate way to test battery capacity professionally is to fully charge it with a discharge meter. C=W=IUt, ...[Details]
On September 3, the 2nd Global IC Entrepreneur Conference and the 17th China International Semiconductor Expo opened grandly. In his speech, SMIC Co-CEO Zhao Haijun pointed out that being the number ...[Details]
According to a netizen’s contribution to IT Home, the new Meizu 17 series has obtained radio network access licenses, and there are three models in total. The radio access license shows th...[Details]
The electronic components industry is at the forefront of the electronic information industry chain and is the foundation for the sustained and rapid development of the electronic information industr...[Details]
This is an amplifier circuit with gain music output power up to 7W. It uses IC TDA2003 as main component. This 7 Watt audio amplifier circuit is small but powerful multi-purpose amplifier.
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This time the LCD and touch screen intelligence were transplanted together. As for the reason, I will post a detailed explanation tomorrow. http://www.arm9home.net/read.php?tid-14273.html It is main...[Details]
At present, there are usually two methods to achieve loading: one is to use a dedicated cable to load data through the JTAG port, and the other is to plug in the PROM chip that matches the FPGA manuf...[Details]
1. Fault phenomenon and treatment A 110kV substation in a certain place is undergoing comprehensive automation transformation. There are five groups of 110kv and 10kv voltage transformers, three gro...[Details]
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