How should I choose PCB surface treatment? How should I choose between HASL and OSP?
Which FR4 PCB is better? What is the difference between the two in terms of price and performance? Can anyone give ...
My current job is to patch up the problems and reduce costs. I saw others using INA169 as a high-side current detector on a large PCB, as a sampling input for electronic fuses.
I spent some time think...
As the title says, what should I do if my working time is scattered? Every time I make something, I often haven't understood the original hardware and software, and the software writers will throw me ...
Compared to battery chemistries such as lithium manganese dioxide (LiMnO 2 ) , lithium thionyl chloride (LiSOCI 2 ) batteries can achieve higher energy density and better cost per watt, so they are co...
[i=s] This post was last edited by fish001 on 2019-5-20 22:28 [/i] [p=30, 2, left][size=4] By definition, the power factor (PF) of an AC power supply is defined as the ratio of the real power (watts) ...
As we all know, LED emits light by stimulating the chip with current to make the phosphor emit light, and its voltage is a passive value. In other words, the parameters of LED are measured with curren...[Details]
As early as more than two years ago, it was widely rumored in the industry that OPPO had begun to "develop its own chips". According to the latest revelation from Weibo blogger @数码闲聊站, the results of...[Details]
Flyback converters are popular because of their low cost, isolation, and the ease with which more output voltages can be implemented. For multiple output flybacks, one output voltage (generally the h...[Details]
The new Pico Neo 3 VR all-in-one product is about to be released, and pre-sale will start on April 16. The official said that it is equipped with Qualcomm Snapdragon XR2 mobile platform, whic...[Details]
According to China Securities Network, on August 26, Yang Xudong, deputy director of the Electronic Information Department of the Ministry of Industry and Information Technology, pointed out at the 2...[Details]
On June 24, the Ministry of Industry and Information Technology issued an announcement stating that in order to further implement the spirit of the Party Central Committee and the State Council on ...[Details]
According to foreign media reports, Samsung's system Beta test version operations manager revealed that the Samsung Galaxy S20 series will not push the One UI 4.0 beta version next, but will directl...[Details]
Every day, more and more sensors are added to our daily lives – from smart devices in our homes to increasingly connected vehicles. Real-time sensor data is essential for high-speed data transmissi...[Details]
I have been looking at single-chip microcomputers for a long time, so I want to make a summary. In fact, single-chip microcomputers are not as complicated as imagined in terms of chips! 89C51 has o...[Details]
EL (Electroluminescence) is an electroluminescent material. In terms of structure, the electroluminescent material is sandwiched between two electrodes. Its upper electrode is a transparent conduct...[Details]
Li Wenshan, our reporter According to data recently released by the China Automotive Power Battery Industry Innovation Alliance, in September, my country's power and other battery sales were 103.9GWh ...[Details]
In Part 3 of this series on CTSD precision ADCs, we will focus on the alias-free nature of CTSD ADCs, which improves interference immunity without adding any peripheral design. Part 1 presented a new...[Details]
This example takes S7-200 (CPU224XP) and SMART200 as examples to introduce how to exchange data between 200 and smartPLC through Xingda Easy Control PPI-ETH-XD1.0PLUS PLC Ethernet.
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Renesas Electronics announced on February 8 that Japanese automotive chip giant Renesas Electronics has agreed to acquire British power management chip manufacturer Dialog Semiconductor Plc. The tran...[Details]
Figure 7 ~ 30V output voltage regulation circuit
Figure 8 is a 7-30V adjustable output integrated voltage-stabilized power supply circuit. The operational amplifier F007 is used as a voltage fol...[Details]