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When measuring temperature remotely, there is a high common-mode voltage on the transmission line, and an optical coupler (hereinafter referred to as an optical coupler) must be used to isolate the o...[Details]
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Apple's fall conference will be held next Tuesday, which means the new iPhone will be on the market soon. In a report sent to clients on Wednesday, US investment bank Baird raised Apple's target pric...[Details]
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After the official release of Android 12, many manufacturers have announced their mobile phone update plans. Today, vivo announced the update schedule for Funtouch OS 12 models in India, while ...[Details]
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Since 1939, when General Motors showed the world the world's first self-driving concept car, over the past 80 years, major technology companies and car companies around the world have gradually put...[Details]
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Ion source is a device used to obtain ion beams. Among all kinds of ion sources, the most commonly used is the plasma ion source, which uses an electric field to extract ions from a plasma. The main...[Details]
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I used to not understand the (*(volatile unsigned long *)) in ARM programs. Today, I will analyze this type conversion by consulting materials and reading articles written by others. This usag...[Details]
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Infrared Photodiode Selective Preamplifier
This circuit uses a tuning circuit for frequency selection, and the circuit operates at a frequency of about 51KHz. The output of the tuning circuit i...[Details]
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In the early morning of September 11, Apple launched the brand new seventh-generation iPad, equipped with a 10.2-inch Retina screen and A10 Fusion chip, with a starting price of $329. The product is ...[Details]
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There are many peripherals used today, including DMA, TIM1, and ADC. Channel 24 of ADC1, namely PF1, is used to collect the voltage of the potentiometer, and is transferred to the buffer by channel 0 ...[Details]
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The radar level meter consists of an electronic control unit and an antenna. The accuracy of the radar level meter in actual application is slightly different from that in theoretical environment. Th...[Details]
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From November 23rd to 24th, Meng Guang, Party Secretary and Chairman of Xuzhou Guotou Group, Guo Can, Party Committee Member and Deputy General Manager, Yao Xian, Level 3 Researcher of Xuzhou Developm...[Details]
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Digital multimeters are widely used in national defense, scientific research, factories, schools, measurement and testing and other technical fields due to their high accuracy, wide measurement range...[Details]
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This routine test tests the communication quality of the transmission link when the center frequency of the input device is between 2.9G and 3.4G, the signal strength of the receiving device is -80db...[Details]
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Introduction
Logging While Drilling (LWD) technology is a logging method that installs logging instruments near the drill bit to measure various formation information just after the formation i...[Details]
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1. Introduction
With the development of online video platforms, users' demand for 4K high-definition quality is growing. However, many users have found that even if they have purchased m...[Details]