[size=4][color=#000000][backcolor=white]Impedance matching is a common concept in high-frequency design. This article provides a good analysis of this "impedance matching". It answers what impedance m...
(1) Memory expansion: Capacity requirements. When selecting, the internal memory resources of the MCU should be considered. If the requirements can be met, there is no need to expand. When expansion i...
A photo of five cute cats huddled together on a "satellite dish" to keep warm in the snow has recently become a hit on foreign social media. According to a report by the British newspaper The Guardian...
Does anyone have a good method for 4.2V disconnection monitoring?When the current is set at 30K, according to the formula in the specification, the constant current charging current is 1000/30000=33mA...
We hope to control the intan 2132 headstage through the SPI interface based on STM32MP157-DK1. Weonly need to implement data reading with a sampling rate of 10KHZ.If you are interested, please contact...
What should we do if the 5G package is too expensive and few people use it? The operators decided to discount the 5G packages. The media visited the business halls of the three major operators in Bei...[Details]
Life is a mixture of joy and sorrow, and so is business.
Last week, it was reported that Honeycomb Energy decided to suspend the construction of its two
battery
factory projects ...[Details]
Bob bought an oscilloscope with a nominal 300MHZ, and the nominal value of the probe is 300MHZ, and both indicators are 3DB bandwidth. Question: For a signal with a rise time of 2NS, what is the impa...[Details]
The topic of "the future direction of in-vehicle head-up display (HUD)" may seem to involve a lot of technical terms at first glance, but this display technology will have huge application potential ...[Details]
A survey by Lin Junji, an analyst at market research firm DIGITIMES Research, showed that due to sluggish demand, shipments in China's mainland smartphone market fell below 70 million units in the fi...[Details]
The AREA directive instructs the assembler to assemble a new code or data section. Sections are named, indivisible blocks of independent code or data that are processed by the linker. See ELF Section...[Details]
1 Introduction With the accelerated pace of digital substation and smart grid construction, electronic transformers have developed rapidly. Electronic instrument transformers include electronic cur...[Details]
According to foreign media reports, Apple's iPhone will increase the use of OLEDs produced by BOE's panel factory in mainland China, and it is expected to complete certification by the end of this ye...[Details]
1 Characteristics of commonly used pointer type electrical measuring instruments
According to the working principle, the commonly used pointer type electrical measuring instruments include magnetoe...[Details]
According to foreign media techpowerup, Samsung Electronics today officially announced the world's first computer equipped with MRAM memory. The relevant paper was published on the Nature website and...[Details]
Screen size is critical and should be selected according to actual needs
As the core performance of the product, tablet manufacturers are particularly careful in selecting screens. However, d...[Details]
Early oscilloscopes only displayed the change of voltage over time for qualitative observation. Later, improved oscilloscopes had quantitative functions, measuring amplitude and time, as well as th...[Details]
From August 13 to 15, 2020, the "2020 China Automotive Forum" was grandly held in Shanghai. The forum is hosted by the China Association of Automobile Manufacturers (CAAM) and is the only top industr...[Details]
Leica CityMapper-2: How to create 3D city maps at a speed of 300 km/h? Leica CityMapper-2 Leica Geosystems, part of Hexagon, is a leading global provider of mapping and surveying solutions . O...[Details]
BootLoader is usually called "system boot loader" and is the first program code executed after the system is powered on or reset . The main task of this program is to initialize the hardware devi...[Details]
Analogue and Mixed Signal
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