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From 1987 to 2020, from digital cameras to smartphones and other terminals, OLED display technology has become one of the most important components of the panel market. According to market research f...[Details]
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1 Introduction In recent years, in the domestic power supply academic community, the research content of AC voltage stabilizers is mainly divided into two categories, one is the switch complementary...[Details]
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On April 27, Changchuan Technology released its 2020 annual report stating that the company achieved operating income of 803,829,320.44 yuan, a year-on-year increase of 101.54%; net profit attributab...[Details]
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The water lamp is an entry-level experiment of the 51 single-chip microcomputer. The following is its circuit diagram and C code Proteus circuit diagram of running water lamp The LEDs in this fig...[Details]
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0 Introduction
As electronic products develop towards miniaturization and portability, monolithic integrated high-efficiency, low-power supply voltage DC-DC converters are widely used. Current...[Details]
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Figure Roche converter four-step circuit
The four-lift circuit is shown in the figure. The function of capacitors C2, C3 and C4 is to raise the voltage VC across capacitor C to three times the p...[Details]
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According to Jiwei.com, in 2021, benefiting from the global chip shortage and the chip price increase, the performance of A-share semiconductor companies is generally gratifying. According to incompl...[Details]
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Recently, the China Institute of Communications released a research report titled "White Paper on Intellectual Property Rights in Internet of Vehicles". The report shows that as of September 2019, th...[Details]
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AT8001 is a high-efficiency driver chip for backlight driving, which allows a wide power supply voltage range: 2.7V to 5.5V, especially suitable for lithium battery powered devices. AT8001 sets the...[Details]
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SD4400 compatible with ACT88325 is a PMU with integrated multi-channel power supply module, which can be widely used in applications such as processors, FPGAs, data acquisition cards, solid-state d...[Details]
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Detailed explanation of servo motor control mode
1. Torque control
The torque control method is to set the size of the motor shaft's external output torque through the input of external a...[Details]
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The magnetic circuit is similar to the electric circuit, and the magnet and the power supply can be compared. Only the thickness is increased, and the magnetic flux corresponding to the residual ma...[Details]
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This article shows how smart meters bring intelligence, interconnection, and effective data protection to energy management through in-depth analysis and key explanations by experts. Through the in...[Details]
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The procedure of raising or lowering the bass and volume adjustment of this circuit is similar to the above circuit. The volume adjustment part connects pin 4 to the reference potential of pi...[Details]
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In 1967, the 13th International Conference on Weights and Measures in France stipulated that candela, candela/square meter, lumen, and lux are used as units of luminous intensity, brightness, lumin...[Details]
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