Please help me, masters! This is the Ethernet interface circuit designed for the TM4C1294NCPDTI3 chip. It uses an interface socket with a built-in signal transformer, but the computer does not respond...
If I want to know whether the signal generated by a signal generator or function generator is ready or output according to the set value standard, what instrument can be used to verify it? Please help...
[size=4][color=#000000][backcolor=white] In the process of using audio equipment, due to factors such as oxygen, water, light, and heat in the air, the equipment will inevitably age. After the audio e...
A career in technology, a life of honor and disgrace, a life of pain and joy every day. I have to face things I hate every day, and that’s how I become numb and indifferent. But my curiosity and purs...[Details]
As the COVID-19 prevention and control situation in various countries and regions in Asia gradually improves, the economy and production have recovered. As a comprehensive service platform for the au...[Details]
Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) is a field-effect transistor that can be widely used in analog and digital circuits. MOSFET first appeared in the 1960s and was firs...[Details]
Morgan Stanley's latest report believes that overall semiconductor demand may be overestimated, and wafer foundries such as TSMC and Powerchip will face customer order cuts as early as the fourth qua...[Details]
As shown in the figure, this is a high-speed oscillator composed of ECL or NOT gates. The collector load resistance R of the ECL circuit is small, so the time constant is small and the switching spee...[Details]
In 2020, the era of high refresh rate has been finalized as the flagship standard. Game for Peace has been adapted to 120 Hz since around August 2019. If the device does not support it and you want t...[Details]
"High-precision maps are necessary, but a single company cannot afford them because it has no money and no data." "Recently, the slogan of 'no pictures' has been very loud. Its essence is the enhan...[Details]
Although the official release date of the Redmi flagship has not yet been announced, details about the phone are being revealed one after another. On the evening of May 6, Lu Weibing, Vice Pr...[Details]
This year, 10 5G mobile phones will be released, ranking fourth in the world in terms of market share In June 2019, the Ministry of Industry and Information Technology issued 5G commercial licens...[Details]
In the STM32 firmware library, you need to pay attention when you use the RCC_GetClocksFreq() function.
(For example, when you use the serial port's USART_Init, you will use this function invisibly)....[Details]
As a new generation of programmable intelligent meters, digital power factor meters are mainly used for real-time measurement and indication of power factor and phase (power factor angle) values in...[Details]
introduction
In the RF signal chain (Figure 1) of communication infrastructure equipment, radar, RFID readers, measurement and control, consumer electronics, and medical equipment, amplifiers (lo...[Details]
The method of judging the quality of MOS tubes is more necessary when you purchase second-hand MOS tubes or when some MOS tubes are damaged. In some cases, a MOS tube with burn marks on the surface...[Details]
Microcontroller MCU
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