[align=left][color=rgb(51, 51, 51)][font=-apple-system-font, BlinkMacSystemFont, "][size=17px]In the design of PCB boards, as the frequency increases rapidly, many interferences will appear that are d...
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As shown below, this is the test schematic diagram of CFA op amp, THS3001. Is the 50 ohm at the input port an actual resistor or the characteristic impedance of the interface?
Other questions:
1. For ...
Memory Technology's recent expert position requirements:SSD unit test expert (system test technology/FA expert, responsible for building unit test architecture) (Suzhou/Dongguan)NAND media test expert...
Hello everyone, I'm here to ask for help again. The picture shows a designed serial port 3.3V and 5V compatible solution. The problem I'm encountering now is that the two transistors will burn out. Th...
[i=s]This post was last edited by sipower on 2020-5-28 23:05[/i]The previous posts shared my preparations and system block diagrams. This time I will share something that has little to do with sensors...
Air Products announced that it has been awarded another long-term on-site gas generation contract in China by a global printed circuit board (PCB) leader and foundry giant. The new contract will furt...[Details]
So far, I have been exposed to a lot of microcontrollers, and I have gained some experience in selecting components, schematics, PCB, circuit hardware debugging, and software development. The first...[Details]
UL94 is mainly used to test the flammability of plastic parts related to equipment and electrical appliances. It can be applied to non-metallic materials, but there are still problems with plastic ma...[Details]
We’ve already seen that improving the efficiency of an electric vehicle’s powertrain can increase its range. Aside from purely mechanical solutions, such as using larger (or multiple) electric moto...[Details]
Twimbit, Singapore's top product research and consulting startup that "aims to improve business outcomes through technology-supported research," has released a series of reports on its global sensor ...[Details]
As shown in the figure, it is a good or bad discriminator circuit of 555 and 741 op amps. The oscillation frequency of the multivibrator composed of 555 (IC1) and R1, R2, C1, etc. is f=1.44/(R1+2R2)C1...[Details]
__irq is an identifier used to indicate whether a function is an interrupt function. For different compilers, the position of __irq in the function name is different, for example: In the ADS compiler...[Details]
51 single chip microcomputer, requiring the use of 8-bit digital tube to dynamically display the 12-digit student ID number. You also need to use buttons to adjust the movement speed, in C language...[Details]
In mid-March, the theme conference hosted by the LoRa Alliance was successfully held at Loew's Portofino Bay Hotel. As one of the more influential members of the alliance, Xingzong IoT was invited t...[Details]
Multi-hole balanced flowmeter has high measurement accuracy:
1. Due to the porous structure of the porous balanced flowmeter, it can balance the flow field, reduce eddy currents, vibrations and s...[Details]
As early as a few months ago, there have been rumors about the Snapdragon 8 Gen1 (Snapdragon 8 Plus) chip using TSMC's 4nm process, and now there has finally been major progress. According to...[Details]
1 Background
The previous article "Decimal Mode of Oscilloscope" mentioned that we will select the appropriate sampling rate to collect the signal according to the signal being tested. Through the in...[Details]
The electromagnetic flowmeter is an inductive instrument that measures the volume flow of conductive media in a pipe based on Faraday's law of electromagnetic induction. It uses single-chip embedded t...[Details]
In the field of Internet of Vehicles, Huawei's presence is growing stronger. Ren Zhengfei once said that Huawei does not manufacture cars, but wants to develop the Internet of Vehicles. Now Huawei i...[Details]
On the afternoon of the first day of the 2019 China Refrigeration Exhibition (April 9), a press conference for the "2018 China Refrigeration and Air-conditioning Industry Development White Paper" (he...[Details]