-
Typical two-stage off-line PFC
PFC
offline power converter systems are usually designed as a two-stage cascade. The first stage is a boost converter because this topology has contin...[Details]
-
As early as March of this year, the USB Promoter Group (leadership group) first released the USB4 specification, the next-generation USB architecture. Today, the USB Promoter Group released the final...[Details]
-
The main structure adopts the SPM structure, the pole slot arrangement adopts: 12 poles and 18 slots, the maximum speed is 20000rpm, the power density is 52.43kW/L, the magnetic steel type is: N50,...[Details]
-
1 Introduction
There are many ways to test the attitude angle of a flying object, such as magnetic sensors, high-speed cameras, accelerometers, and gyroscopes. Each method has its own advantages an...[Details]
-
Those who often read Pen Bar know how much I value screen quality. It is not only needed for daily use, but high-quality screens are also a necessity in industries such as photography, videography, a...[Details]
-
#include reg52.h void main() { P1=0xB0; while(1); } Well, that's all the codes. The actual circuit may have 74H or something. But it's just one bit, mainly to record my confusion ...[Details]
-
The Ministry of Industry and Information Technology has revealed a very interesting product: Nokia 110 (2019). Speaking of Nokia 110, it is actually one of the best-selling products in Nokia's histor...[Details]
-
TC9153 is a CMOS high-fidelity volume control dedicated integrated circuit launched by Toshiba. The circuit features low power consumption, current of about 1-3mA. Low distortion, THD≤0.005%. The volu...[Details]
-
Jiwei.com reported on March 9 that OnePlus Mobile announced today that the OnePlus 9 series new product launch conference will be held at 14:00 on March 24 at the Shanghai Oriental Sports Center. The...[Details]
-
The monitor
market has been upgrading faster than ever in the past few years. Just when people are still struggling to decide which size monitor to choose and are hesitating between 16:9 and ...[Details]
-
On April 5, 2022, according to information from the State Intellectual Property Office, Huawei Technologies Co., Ltd. disclosed a patent for "a chip stacking package and terminal equipment" (applicat...[Details]
-
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
-
Poly (NYSE: PLT), a global leader in unified communications and collaboration, today announced the launch of the Poly G7500, a new video endpoint that combines content collaboration with video confer...[Details]
-
1 Introduction
The daily routine of institutions and colleges requires timing and beep prompts. The author uses AT89C51 microcontroller and LM386 audio power amplifier to form an automatic timing a...[Details]
-
Guangzhou, October 18, 2024 /PRNewswire/ -- On October 17, at the new product and service launch event of the 136th China Import and Export Fair (also known as the "Canton Fair"), SGS, an internati...[Details]