[color=#333333][font=微软雅黑]I want to design an amplifier with a bandwidth of 15MHz~25MHz, and a gain of 40dB at 20MHz. The input signal is about 1mv. I used the OPA847 common-phase amplifier circuit to...
[table=98%] [tr][td]The power consumption of FR6972 LCD display is nearly 20UA, while that of FR4133 LCD display is only 6UA; the circuits are similar, the only difference is that R23/LCDCAP is connec...
Sometimes we need to process data by bytes, especially when doing 8-bit data communication. Most MCUs support byte addresses, which means that when an address is added by 1, the data is moved by one b...
Original article by Mr. Gaosu | Liu LijuanRegarding the TX and RX layering issue, I often hear three different opinions:"What is stratification? Um...it's up to you."
"Why do you ask me to separate th...
As shown in Figure 1, it is an RS232 communication ICFigure 1 Figure 2 is the definition of some pins, what do receiver input and driver input mean, what is the difference? Similarly, what is the diff...
The 2019 ST National Tour Seminar will be launched in 13 cities ( Beijing, Hangzhou, Chengdu, Hefei, Shenzhen, Xi'an, Nanjing, Shunde, Changsha, Jinan, Xiamen, Shanghai, and Guangzhou ) from September...
MLCC, which has been declining in price for a long time, has started to reverse its trend. Recently, Walsin Technology, a Taiwanese passive component manufacturer, took the lead in announcing that th...[Details]
According to news on March 13, on March 10, at the monthly information conference held by the China Association of Automobile Manufacturers, the first domestic intelligent driving annual analysis rep...[Details]
Let's talk about drawing a circle first. According to the symmetry of the circle, divide the circle into 8 equal parts. Find one of them, and the others can be obtained through coordinate transformat...[Details]
As early as September 2015, the U.S. Department of Transportation launched the V2X pilot, selecting three local pilots in New York, Wyoming, and Tampa, Florida. The first two were carried out with ...[Details]
Enthusiasts.com reported (by Liu Jing) that recently, at the annual GTC conference, the humanoid universal basic model Project GR00T was launched. Nvidia's founder was very optimistic about the dev...[Details]
Intel China officially releases 2022-2023 corporate social responsibility report Draw a sustainable blueprint together and win a better future together November 7 , 2023 , Shanghai - O...[Details]
Recently, there are several speakers on the market that claim to be monitor-level speakers. So what exactly are monitor speakers? What is the difference between them and ordinary speakers? Let's talk ...[Details]
Background and History
The concept of energy harvesting has been around for more than 10 years, but in real-world environments, systems powered by ambient energy have been bulky, complex, a...[Details]
After reading an article titled "Keil C51's Continuous Reading Method for the Same Port" (original text) in the "Experience Exchange" column of the 10th issue of "Microcontroller and Embedded System A...[Details]
According to foreign media reports, Ford Motor Company recently announced that it has obtained a patent for "humidity sensing seat technology" from the US Patent and Trademark Office. Ford's paten...[Details]
With the rapid evolution and installation of intelligent driving from L0 (warning function), L2 (independent lateral and longitudinal execution functions) to the current L2.9 (urban NOA), vehicles'...[Details]
For energy-saving reasons, the industry requires that the brightness of LEDs be adjusted. Using PWM (pulse width modulation) is an effective dimming method. However, with traditional PWM
chi...[Details]
The Yahaitong universal travel charger has a transparent plastic book clip device on the panel. There are two stainless steel reed electrodes with adjustable distances on the device, so it can charge...[Details]
Over the past few years, several brands have demonstrated under-display camera technology, but ZTE is currently the only smartphone manufacturer to have adopted the technology. The latest news says...[Details]
On October 23, Wuhan Weilai Energy Co., Ltd. ("NIO Energy") signed a cooperation agreement with Wuhan Shouyi Technology Innovation Investment Development Group Co., Ltd. ("Shouyi Technology Innovat...[Details]