I have a 10-year-old laptop with an I5 CPU and 4G memory. I haven't used it for two or three years. The day before yesterday, I turned it on. It took about 10 minutes from booting to running. After bo...
Some time ago, I needed to test the charging of a lithium battery pack. The voltage of 18 lithium batteries in series can reach more than 70V. I used to have a GPC-6030D linear adjustable power supply...
Qorvo (Nasdaq: QRVO), a leading provider of innovative RF solutions that connect the world, today introduced the industry's smallest single-chip motor control and inverter solution for brushless DC (B...
We have introduced the Raspberry Pi speed control before, but that was to control the speed of one wheel. As a result, the speed was sometimes slow and sometimes fast, but the error was acceptable. Th...
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Let's take a look back at history in my basement lab. Tektronix (co-sponsor of SJ) introduced the 7000 series of modular oscilloscopes around 1969, and I think they were produced until the 1980s. The ...[Details]
May 11, 2021 – Mouser Electronics, the leading New Product Introduction (NPI) and global distributor of electronic components, today announced that it has signed a global distribution agreement with ...[Details]
On the occasion of the 75th anniversary of the birth of the transistor, Intel announced at IEDM 2022 that it will increase the density of packaging technology by another 10 times and use new material...[Details]
In important data centers, enterprise information centers, and other important data gathering places, UPS plays a vital role. It can not only convert voltage and frequency, provide backup time afte...[Details]
On August 31, Yunchi Future, a domestic provider of autonomous driving safety solutions, released the first domestic automotive-grade 5G autonomous driving vehicle central gateway L3000. This produ...[Details]
A high-frequency inverter is a DC/AC converter that converts the DC power of a battery pack into an AC power supply with stable output voltage and frequency. High-frequency inverters have many ap...[Details]
PIM Introduction: Passive inter-modulation (PIM) is caused by the nonlinear characteristics of various passive devices in the antenna transmission system. In high-power, multi-channel systems, due to ...[Details]
At present, the Tier 1 suppliers of my country's automotive electronics industry chain are in an international oligopoly market situation, with more than 70% of the global market occupied by the top ...[Details]
1 Introduction The intelligent detector discussed in this paper is an integrated semiconductor photodetector. Compared with traditional semiconductor photosensitive devices, its most obvious feature...[Details]
Jikrypton X, Xpeng G6, Geely Galaxy L7, NIO ET5 hunting version, smart Elf 3... These new cars will be launched at the upcoming 2023 Shanghai Auto Show. Although the specific parameters and details...[Details]
As shown in the figure, the moisture detector has an absorbent cloth 2 on which closely spaced electrodes 3 and 4 are mounted. The cloth carries a salt such as sodium chloride: when the cloth becomes...[Details]
Abstract: Based on the analysis of the shortcomings of the existing average current type power factor correction circuit, an average current type power factor correction technology without input vo...[Details]
If we trace back to the origin, the development of network cameras (hereinafter referred to as "IPC") in my country has been more than 10 years, but the past IPCs were at the low-pixel stage and ...[Details]
Electric vehicle design is a complex concept. Here are the components of every electric vehicle: Battery.
An essential component of any electric vehicle (EV) is the battery. The battery must b...[Details]