What is Radio Frequency? Radio Frequency, or RF for short, is radio frequency current, which is the abbreviation of a high-frequency alternating electromagnetic wave. Alternating current that changes ...
[i=s]This post was last edited by qwqwqw2088 on 2020-12-16 07:46[/i]Everyone knows that impedance should be continuous. However, as Luo Yonghao said, "There are always times in life when you step on s...
introduction
Sino-US trade negotiations, fear caused by chips... These are all comparisons of national strength. If the United States takes the lead and bans everything one day, we will be a step behi...
Pulse modulated LIV (Light-Current-Voltage) laser diode testing is a typical application for the 2520INT/2520 combination. To obtain a LIV curve, the laser drive current (I) is swept and the laser lig...[Details]
Modern office space is a working environment composed of a variety of visual tasks. Reading, drafting documents, operating computers and other office equipment all require comfortable, relatively g...[Details]
What is the hysteresis characteristic of a signal?
The hysteresis characteristic of a signal refers to the delay and lag in the change of the output signal during the change of the input signa...[Details]
As mentioned in 1.2.2, the starting point for the transfer of high-frequency and microwave power values is the continuous wave low-power power standard. Other values, whether medium or high power s...[Details]
China Energy Storage Network News:
On March 23, at the construction site of the 500 kV Xiongdong Substation Project in Hebei, construction workers carried out the installation of gas-insula...[Details]
What system version is your iPhone currently running? The latest news is that Apple has closed the verification channel for the iOS 14.7 system, which means that users of lower versions will ...[Details]
Fully automatic fabric air permeability tester The fabric air permeability tester is one of the gas permeability tester family, which is suitable for the air permeability of various textiles includin...[Details]
IoT devices, such as portable health monitors and wearables, are inherently vulnerable to hacking because they are connected to the internet. From attacking devices with a distributed denial of ser...[Details]
In the early days, an AC voltage regulator was often added to the input end of the laser power supply to adjust the input AC voltage. This was not only bulky, but also its output voltage also changed...[Details]
On January 24, Apple's core supplier, Han's Laser, released its 2020 performance forecast. According to data, the company's net profit in 2020 was 899 million yuan to 963 million yuan, a year-on-year...[Details]
In recent years, with the rapid development of mobile network products, wireless networks and supporting measures have been gradually improved, and network products such as wireless network cards (U...[Details]
s3c2410_gpio_cfgpin(S3C2410_GPB0, S3C2410_GPB0_TOUT0);
We can control peripheral registers in this way. Have you ever thought about how it is implemented?
First analyze struct mach...[Details]
News on the morning of June 12, Hong Kong artist Paul Lung used Apple iPad Pro to create post-credits Easter eggs for the topical drama "Bridge of Sighs". Each painting adopts a super-realisti...[Details]
High voltage cabinet and low voltage cabinet are two indispensable components of the power system, and there is a close relationship between them. This article will introduce in detail the function...[Details]
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