WU308

1. Where does vertical noise come from? The vertical noise of an oscilloscope mainly comes from two aspects: 1. Noise of analog front-end circuit: This includes attenuation circuit noise, buffer ci...[Details]

According to news on April 27, the Dutch ASML company is the only company in the world that can produce EUV lithography machines. It is also the main supplier of DUV lithography machines required for...[Details]

1 Introduction The PWM variable frequency speed regulation commonly used in industrial production at present belongs to the precision speed regulation. For fans and pumps, the inverter pow...[Details]

According to news on September 6, Arctic Xiongxin recently announced that the first independently developed chiplet interconnection interface PBLink based on the domestic "Chiplet Interconnect Interf...[Details]

This circuit uses a CMOS integrated circuit CD4013 dual D flip-flop, which is connected into a monostable circuit and a bistable circuit. The function of the monostable circuit is t...[Details]

introduction The IO voltage of a general-purpose MCU or DSP is usually 5V3.3V, and the current output capacity of the IO is below 20MA, which is not enough to directly drive the power MOSFET. ...[Details]

When I needed to use flag bits while writing a program, I thought I could define the bits the same way as Keil51. However, I kept getting errors. Later, I learned that the MC18 compiler does not supp...[Details]

Course design requirements: 1. Use the I/O port to generate a square wave of a certain frequency to drive the buzzer to emit different tones, thereby playing music (at least three songs, each no ...[Details]

The digitally programmable precision resistor shown in Figure 1 can be used as a microprocessor-driven power load in a custom-designed ATE (automatic test equipment). IC1 is an 8-bit current-output...[Details]

Electronics enthusiasts provide you with a simple electric tricycle circuit, hope it will be helpful to you. This site has other types of circuit diagrams, welcome to browse! The simple electric tric...[Details]

When the tide goes out, you'll know who's been swimming naked.   Buffett's famous quote has been proven to be true in all walks of life. Since 2018, after experiencing the carnival of autonomous dri...[Details]

On June 16, CICC issued a public announcement on the registration information for the initial public offering and listing guidance of Shenzhen Feixiang Technology Co., Ltd. Shenzhen Feixiang Technolo...[Details]

As mobile phones, MP3, PMP, DC/DV and other handheld electronic products become more and more popular, lithium metal (Li) and lithium ion (Li+) batteries are becoming more and more common. Most of th...[Details]

      This article introduces the principle of STC MCU one-key downloader. When using STC-ISP software to download STC MCU programs, after clicking the direct download button, the MCU needs to be powe...[Details]

Inverter air conditioners and ordinary air conditioners are two different types of air conditioning systems. They have certain differences in working principles, energy efficiency, comfort, price, ...[Details]