[i=s]This post was last edited by Ablikim on 2019-8-20 11:33[/i]R2 is a simulated load
R7, 8, 9, 10 are voltage divider resistors
The voltage across R1 is about 0.038V
After a while, the op amp heated...
[font=宋体][size=4][color=#333333]I saw such a circuit on the Internet. The title of the post is "[/color][b][size=4][color=#0000ff]A simple question about the working principle of strong pull-up[/color...
There are many PCB design softwares, and the mainstream ones are: Altium Designer, PADS and Allegro . If I want to learn, which one should I start with? Or do I need to learn all of them?Before learni...
[i=s]This post was last edited by freebsder on 2019-3-29 11:41[/i] [align=left][font=宋体][size=5][b]Hardware Architecture[/b][/size][/font][/align][align=left][font=宋体][size=5][b]Overview[/b][/size][/f...
All the big prawns!When burning the STM32F103RBT6 microcontroller, the operator accidentally checked more items during automatic burning in the ST-LINK UTILITY interface, resulting in the microcontrol...
1 Introduction With the development of microcomputers and data transmission equipment, the transmission rate of modems is getting higher and higher, and there are more and more varieties. S...[Details]
Single key means that each key occupies one pin of the microcontroller. The characteristics of this connection method are that the circuit and program are very simple, but the disadvantage is that it...[Details]
This section describes the access timing during the execution of ATmega88 instructions. The AVR CPU is driven by the system clock clkCPU. This clock comes directly from the selected clock source. The...[Details]
On May 28, foreign media sammobile quoted Korean insiders as saying that Samsung has placed a production order for Galaxy Fold 2 in recent days, which includes ultra-thin glass (UTG) technology...[Details]
With the rapid development of microelectronics technology, high-performance MCUs are widely used in embedded systems to complete data collection, analysis, processing and communication functions. The ...[Details]
In a recent memo to investors, JPMorgan chief analyst Samik Chatterjee analyzed the delivery times of the iPhone 13 and iPhone 13 Pro in the 15th week of their launch. He believes that the delivery t...[Details]
1 Introduction
Aiming at the shortcoming of limited internal BlockRAM in FPGA, a method of improving the design by combining FPGA with external SRAM is proposed, and some VHDL programs are...[Details]
The voice recognition system in the voice chip is used in more robots that need to replace manual services or recognize commands, realizing more human-computer interactions and bringing more conven...[Details]
According to foreign media reports, Apple has launched their first mixed reality headset Vision Pro at the 2023 Global Developers Conference that started in the early morning of June 6, as expected, ...[Details]
According to Reuters, U.S. Commerce Secretary Gina Raimondo said at a hearing on Wednesday (11th) that several media outlets reported that China has been lobbying the U.S. business community to oppos...[Details]
This solution includes a constant current LED driver. The circuit is connected in single series or parallel. The power efficiency is as high as over 93%, and the power factor is over 90%. Compared ...[Details]
On the evening of February 17, Redmi held a mobile phone launch conference and officially launched the first product of the Redmi K50 series - Redmi K50 e-sports version, which will go on sale for th...[Details]
The field of intelligent driving is experiencing unprecedented competition and innovation. Major automakers, start-ups and even scientific research institutions are investing huge resources in this...[Details]
The healthcare sector has always been one of the markets that ADI attaches great importance to. Recently, Peng Zhifeng, the marketing director of ADI China's medical industry, introduced ADI's layout...[Details]
In early October, at a battery energy storage project construction site in Ben Djali Province in northern Côte d'Ivoire, construction workers were stepping up civil construction. In June 2021, in orde...[Details]
Analog electronics
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