There are two main issues here:
1) How are the 2Ω of R150 and the 300Ω of R151 calculated? Or is it an empirical value? Is the 300Ω just used for current limiting of the voltage regulator BZX84-B13?
2...
Traditional fieldbus networks generally use wired media as transmission media. Wired transmission media make the location of communication equipment relatively fixed. Some special industrial field env...
Recruitment position: Technical support engineer
Demand department: Technology Development Department ( 2 people)6K~10K yuan / month
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The AT32WB415 series products have three built-in universal synchronous/asynchronous receivers and transmitters (USART1, USART2, and USART3), and one universal asynchronous receiver and transmitter (U...
There are usually two requirements for counting at work: first, display the count value, and second, interrupt and alarm when the count value reaches a certain level. The first type is like various co...
TechTest Elite Development Program - Answer questions to win gifts! It's time to start~Click here to enter the eventEvent time: From now until September 15, 2020
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
Meizu employee @布鲁卡 posted a screenshot of an internal letter from Meizu on Weibo earlier, showing that Meizu achieved sustained profitability in 2020, which made many people excited. It seems that t...[Details]
Time difference ultrasonic flow measurement is a common method for ultrasonic heat meters to measure flow. Its principle is to use a pair of ultrasonic transducers to send and receive ultrasonic wave...[Details]
Recently, ASR550X series of WiFi chips from Aojie Technology were officially unveiled at the 17th China International Semiconductor Expo (IC China 2019), focusing on the smart home market and creatin...[Details]
With the popularity of Apple iPhone and Nintendo Wii game consoles, accelerometers have been widely used in consumer electronic devices. For example, drop protection in notebooks, automatic screen ...[Details]
Introduction
In transmitters and controllers made with single-chip microcomputers, when it is necessary to output 1-5V or 4-20mA DC signals, dedicated D/A chips are usually used, usually one ...[Details]
Abstract: A single-stage power factor correction (PFC) converter is introduced, and the main design of the converter is discussed in detail.
Keywords: converter; single-stage power factor corre...[Details]
The MAX44265 op amp features a maximum gain-bandwidth ratio (GBW) to deliver current, making it ideal for battery-powered applications such as cell phones, laptops, and portable medical devices. Th...[Details]
With the development of information society, information appliances, smart meters and smart security systems have increasingly appeared in people's lives. It can be foreseen that in order to meet...[Details]
On the afternoon of May 25, smartphone brand realme held the realme Heartbeat 618 press conference, bringing new products such as the realme GT Neo Flash Edition and the realme Q3 Pro Carnival ...[Details]
For example, in people's lives, there are expressions of joy, anger, sorrow, and happiness. In the ARM working state, there are also different modes as shown in the following table:
(For details, p...[Details]
On November 13, Qi Caijuan, an employee of Ningxia Electric Power Research Institute, stepped up communication and cooperation with State Grid E-Commerce Company and State Grid Energy Institute to ...[Details]
China Energy Storage Network:
Recently, in order to implement the spirit of the National Energy Administration's "Power Grid Operation Management Regulations" and "Power Auxiliary Service M...[Details]
Analysis of several effective switching power supply electromagnetic interference suppression
In the past, there have been many studies on switching power supply EMI (Electromagnetic Interfe...[Details]
The power control of electric vehicles is mainly to output electricity from the battery to the motor. How to achieve the output at will? This requires the use of power inverter technology, that is,...[Details]
Analog electronics
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