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Although swallowable video capsule endoscopes have been around for years, they can only move passively, driven by gravity and the body's natural movements, because doctors cannot actively control t...[Details]
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1. Working Principle of Polarimeter
The light emitted from the light source passes through the condenser, color filter and polarizer to become plane polarized light, and a three-part field of v...[Details]
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1. PLL (Phase Locked Loop) In order to reduce electromagnetic interference and reduce inter-board wiring requirements, the frequency of the crystal oscillator connected to the chip is usually very lo...[Details]
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The medium frequency variable frequency power supply is based on the microprocessor in MPWM mode and is designed with an active component IGBT module. It uses technologies such as digital frequency...[Details]
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There are two types of voltmeters: analog voltmeters and digital voltmeters. According to Mr. Li, who works online at the instrumentation department, the working principle of the voltmeter is:
The an...[Details]
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Measuring at the high end
In an ideal circuit, current is measured without interrupting the current path. For example, an electromagnetic pickup can be used to detect current, but unfortun...[Details]
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The tire pressure monitoring system (TPMS) is an early warning system that can automatically detect the tire pressure and temperature of the car and alarm for abnormal tire conditions. When the tir...[Details]
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According to news on March 7, Hubei Optics Valley Laboratory recently announced that the colloidal quantum dot imaging chip developed by its scientific research team has achieved short-wave infrared ...[Details]
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Today, a domestic digital blogger revealed that vivo will release the new NEX, iQOO 9 and X80 series in turn. Both NEX and iQOO 9 are equipped with Qualcomm Snapdragon 898 chips, and their release ti...[Details]
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On the evening of March 18, an investor asked a question on the investor interaction platform: DDR3 has been out of stock recently. The reason for the shortage is that some first-tier manufacturers h...[Details]
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Function of the circuit
Amplifiers used in audio equipment require low-distortion signal sources when testing. Recently, there are many products of low-distortion OP amplifiers ...[Details]
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On the secondary side of the power supply , the role of the rectifier and filter in the power supply is as easy to understand as their names. Their main task is to correct and filter the high-frequen...[Details]
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Ross Young, CEO of display supply chain consulting firm DSCC, said that the screen panels provided by Samsung for vivo's first foldable smartphone began production in January. It is said that...[Details]
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In the photovoltaic industry, cost reduction and efficiency improvement have always been the main theme of the industry. At present, the use of large silicon wafers is mainly to reduce the system B...[Details]
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Thermal relays are protective devices used for overload protection of motors or other electrical equipment and electrical circuits.
In actual operation of the motor, such as when the production...[Details]
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