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Fiber optic certification tests include: primary test, secondary test and fiber end face inspection. Level 1 testing: Conformity certification testing is performed according to the standard to dete...[Details]
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Solid-state battery developer QuantumScape recently delivered its first 24-layer solid-state lithium metal battery prototypes to electric vehicle manufacturers for testing, which th...[Details]
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According to recent speculation from multiple foreign media, Apple's new iPhone 12 series flagship phones may be unveiled in mid-October, including iPhone 12 mini, iPhone 12 Max, iPhone 12 Pro, ...[Details]
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How much do you know about linear LED driver ICs? When it comes to linear power ICs, everyone thinks that they consume too much power, are difficult to use, and are relatively backward technology. I ...[Details]
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Recently, Texas Instruments launched new 100V gallium nitride-LMG2100 and LMG3100 series products, filling the company's gap in the mid-voltage market around 100V. With the help of new generation gal...[Details]
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Intersil Corporation, a global leader in the design and manufacture of high-performance analog mixed-signal semiconductors, today announced the launch of a HEV/EV system solution equipped with an auto...[Details]
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Recently, according to relevant news, Growatt, which ranks among the top five in the global inverter industry, may be acquired by the famous investment group Blackstone at a valuation of US$1 billi...[Details]
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S3C2440 is a 32-bit processor with a theoretical addressing range of 2^32, or 4G. S3C2440 uses as the address line, with an addressing range of 128M, and uses as the bank selection signal, so S3C24...[Details]
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NXP is integrating Septentrio’s Mosaic multi-frequency, multi-satellite GNSS receiver into its V2X reference designs and development boards. The module helps determine accurate lane positioning, whic...[Details]
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On October 31, Korean media reported that the price of memory semiconductor DRAM fell by nearly 10% in October, indicating that concerns about the "peak out" (peaking, decline) of the DRAM market in ...[Details]
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On May 17, at the "14th Songshan Lake China IC Innovation Summit Forum" hosted by VeriSilicon, SmartSens Sales Director Zong Xiang introduced the company's latest second-generation global shutter t...[Details]
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The liquid level measuring instruments used in the intermediate tank area in a certain project are all contact instruments, such as tuning fork switches, radar level gauges, servo level gauges and hy...[Details]
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1?1Mechanism and electrical function of capacitors
As the name suggests, we can understand it in this way: a capacitor is a "container" that can store electric charge. However, this "conta...[Details]
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The so-called PWM DC/DC converter is composed of power semiconductor devices (switches and diodes) and energy storage elements (inductors or capacitors). Through the PWM on/off control of the switc...[Details]
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First look at the address line of 2440: mini2440 schematic.pdf
The 2440 chip provides 27 address lines = 128M.
The S3c2440 chip only provides 27 address lines addr on the pins provi...[Details]
MicroPython Open Source section
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