The picture is a curve chart of MMBT3904. There are 4 questions as follows:
1. What does the "Base-Emitter Saturation Voltage" in the figure mean? How is it different from the base-emitter voltage dro...
In a single-ended flyback switching power supply, the primary input of the transformer is a DC voltage, and the secondary output is also a DC voltage.
How is the input DC converted into AC through the...
Figure 1 is the circuit in use, but because the external input terminal is in high impedance state when there is no input, it is sometimes unstable. I want to connect a 50K resistor directly between p...
For those who like to use KiCad, the new version Kicad5.1.6 is released
Manually enter the address to the official website to download
The KiCad project is proud to announce the latest stable release ...
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Live broadcast time : October 20, 2020 (Tuesday) 10:00-11:30 amLive broadcast topic : Flyback isolated power supply design without optocouplerLive broadcast intr...
Some time ago, I wanted to use ST-LINK to debug the board hardware, but found that nothing happened (but there was no problem with the code). After opening the settings, I set it to run from the star...[Details]
1. Experimental purpose 1. Preliminarily master the underlying hardware driver functions of uCGUI; 2. Master the methods and steps of porting uCGUI to ARM S3C44BOX. 2. Experimental content ...[Details]
Program Example
In the following example, three variables from different memory areas can be accessed using subscripts.
Overview of the three variables assigned to the corresponding...[Details]
In recent days, Xiaomi has released information about new phones one after another, announcing that the Leica cooperation model will be released in July, and it will be the first to be equipped ...[Details]
At the recently held Global Mobile Internet Conference GMIC 2020, Honor President Zhao Ming revealed that the new Honor X series will be fully upgraded and officially named Honor X10. This phone will...[Details]
Testing Challenges of 5G Waveform Generation and Analysis Flexibility is essential for 5G research. It allows researchers to perform “what-if” analysis using a variety of modulation schemes with diff...[Details]
Power loss is an important part of the performance evaluation of switching devices and is also an advanced function that many oscilloscopes offer as optional extras. Although many laboratories are eq...[Details]
According to Sina Technology, Wang Chenglu, President of Huawei Consumer BG Software Department, said in his speech at the "2020 Technology Billboard" that the development of Hongmeng OS was launched...[Details]
This week, I debugged the CAN of STM32 and collected some information from the Internet. Thanks to the original author for his selfless contribution.
Here are some key points:
1. CAN filter
As fo...[Details]
Apple announced that it would provide supplier Corning with an additional $45 million from its Advanced Manufacturing Fund, on top of $200 million in 2017 and $250 million in 2019. The investment, ...[Details]
DS18B20 is the most commonly used to learn a new development tool. The programs are similar. The main thing is to pay attention to the delay in the timing and the correct instructions. Record them he...[Details]
The core controller of the smart car, SPCE061A, is a 16-bit controller with unique voice features. The nSPTM core processor used in the chip has a high processing speed and can complete 16-bit arit...[Details]
2021 EdgeX China Challenge Grand Opening, Intel Empowers Developers to Help Innovative Solutions Come to Life July 12, 2021, Beijing - Today, the Beijing Zhongguancun Forum was held. At the forum, ...[Details]
On November 4, 2024, Lattice Semiconductor (NASDAQ: LSCC) released its third quarter 2024 financial report and held a financial report conference call. The company's CEO Ford Tamer and interim CFO ...[Details]
Analog electronics
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