In line with the principle of not returning favors, I would like to share the books I bought with E-coins.I have basically finished reading the first book written by an American. The second book is qu...
[i=s]This post was last edited by lising on 2019-6-19 19:22[/i]Fortunately, I was qualified to try out the CH549EVT from Qinheng Electronics. Thanks to Qinheng Electronics and EEWORLD for providing th...
Linear relationship, linear regionAbout the three concepts of ADC INL, DNL, and LSB; transistor cutoff region, linear region (amplification region), and saturation region; sensor linearity; input ando...
[size=4][color=#000000][backcolor=white]I referred to a document. When the public version of SIM800C is in transparent transmission mode, it takes about 20-25 seconds to connect to the network. I boug...
[i=s]This post was last edited by cpsiot on 2022-7-13 12:11[/i]First of all, thanks to eeworldDigi-Key!I placed the order on June 17 and received the Raspberry Pi 400 on July 13. During this period, I...
[p=null, 2, left][color=rgb(85, 85, 85)][backcolor=rgb(244, 244, 244)][font=Georgia, "][size=14px]In my understanding, the realization of computer vision must be assisted by image processing, and imag...
1 Introduction Inverter parallel operation is an effective way to improve system reliability and expand system capacity, and is widely used in uninterruptible power supplies. The modularity, easy ex...[Details]
Qualcomm Technologies, Inc., a subsidiary of Qualcomm Incorporated, today announced that Dr. Marta Karczewicz has been nominated for the "Lifetime Achievement Award" in the European Inventor Awards e...[Details]
On July 2, Fenda Technology released its 2020 semi-annual performance forecast, with net profit attributable to shareholders of the listed company ranging from RMB 750.496 million to RMB 825.5456 mil...[Details]
Hello everyone, for the frequency measurement of waveforms, do you know any method that is not controlled by the sampling rate and has a high measurement accuracy so that the measurement results ca...[Details]
1. Normally, the DC power input reverse connection protection circuit uses the unidirectional conductivity of the diode to achieve reverse connection protection. See Figure 1 below:
This conn...[Details]
1. Detection of half bridge The half bridge is composed of two rectifiers. By measuring the forward and reverse resistance values of the two diodes inside the half bridge, we can determine whether ...[Details]
0 Introduction
In large power plants, the required DC load is relatively large, and the capacity of the battery is usually above 2000A·h. If a conventional 10A or 20A switching rectifier modul...[Details]
Medical IT power supply system is also called medical ungrounded power supply system or medical isolated power supply. The "I" of IT power supply system means that there is no working ground on ...[Details]
According to PhoneArena, after installing the latest version of the Android 12 operating system, many users reported serious problems with their Google Pixel devices. These devices include Google Pix...[Details]
As new energy vehicles are advancing by leaps and bounds, a surge in demand has also been set off in the related industrial chain. According to data from the National Bureau of Statistics, the domest...[Details]
This month I plan to iterate each market segment in detail and look at the data information from different dimensions. There is a lot of content worth analyzing. 1. Differences between Chinese and ...[Details]
What are harmonics?
When the voltage or current waveform in the power grid is not an ideal sine wave, it means that it contains voltage or current components with a frequency higher than 50Hz. ...[Details]
Microchip Technology Inc. (Nasdaq: MCHP) today announced that its Switchtec™ PAX Fabric Interconnect Gen 4 PCIe switch family is now in production to support cloud, data center and hyperscale computi...[Details]
Chargers are closely related to people's daily lives. The charging performance of chargers is closely related to the service life and charging efficiency of the charged batteries. Due to changes in...[Details]
There are two types of IC noise:
One is external noise, which comes from outside the IC;
The other is internal noise, which comes from the device itself.
External noise
Som...[Details]
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