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Buck converter
circuit: Buck chopper, input and output polarity are the same.
Since the volt-second product of inductor charge and discharge is equal in steady state, therefore:
(Ui-Uo)...[Details]
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Nondestructive testing: Ultrasonic flaw detector failures and solutions
1. Why does the ultrasonic flaw detector freeze during operation and cannot be turned on again after being turned off?
A: T...[Details]
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Three and a half years have passed since the Bluetooth Special Interest Group (SIG) announced a new specification defining a high-quality, low-power audio codec that promised to redefine audio stre...[Details]
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Introduction: Samsung's ARM7 series microprocessors have been widely used, among which S3C44B0X is a good choice for making handheld devices. At present, most development boards made with S3C4...[Details]
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Using 3DG6 as a temperature sensor, the measurement amplifier circuit composed of LM324 operational amplifier is shown...[Details]
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We selected Huawei nova 6, vivo X30 and OPPO Reno 3 from the disassembled 5G mobile phones for analysis and comparison. In "【Value】Analysis of BOM tables of three mid-range 5G mobile phones from Huaw...[Details]
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Introduction to FPC (Flexible Printed Circuit)
Flexible Printed Circuit (FPC) is a circuit board made of flexible copper-clad laminate as the substrate. It is used as a medium for signal trans...[Details]
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As competition in the smartphone market gradually shifts to the high-end, it becomes particularly important for mobile phone manufacturers to possess unique core competitiveness. In this regard, man...[Details]
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OnePlus 10 Pro was released in China in January this year and is expected to debut in overseas markets at the end of this month, but the standard version has not been released yet. Recently, a blogge...[Details]
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With the rapid development of LED, white light LED has many advantages over traditional light sources, such as long life, solid lighting, high light efficiency, mercury-free, environmentally frie...[Details]
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The servo motor press is a new type of press that uses a servo motor as a power source. It has the characteristics of high precision, high efficiency, and high stability, and is widely used in vari...[Details]
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According to foreign media reports, Tier IV has received approximately $9 million in investment from Quanta Computer in its Series A extension financing, after having raised $100 million in Series A....[Details]
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According to news on October 31, in 2015, Western Digital acquired SanDisk, a well-known flash memory company, for US$19 billion in cash and stock transactions. Today, however, Western Digital announ...[Details]
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Two 74HC595s share 6 IO ports, a simple timer clock, mainly for the control of 74HC595. Simulation: MCU source code: #include reg52.h #include intrins.h typedef unsigned char uchar; typedef uns...[Details]
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With the application of information technology represented by the Internet of Things, cloud computing, big data, and artificial intelligence, the society is constantly evolving towards intelligence. ...[Details]