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Radar level meter has the advantages of accurate measurement, stable performance, high reliability, easy maintenance, and wide application. It is a commonly used level measurement instrument. So, wha...[Details]
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According to the national standard GB7665-87,
sensor
is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a certai...[Details]
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The common method for judging whether the vacuum degree of vacuum tube is deteriorated is the power frequency withstand voltage method. This method can only judge the arc chamber with serious vacuum ...[Details]
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Introduction to automatic glue dosing machine: SCA dosing machine can be regarded as a simplified version of Durr glue. The principle is the same, but the technology is more complicated. SCA fault ...[Details]
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Achieving the absolute longest battery life with the lowest power consumption is a common design requirement for many deeply embedded applications. In this article, we will discuss a microcontroller ...[Details]
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This is a simple audio preamplifier circuit using a single transistor 2N3904.
This simple circuit provides good gain for weak audio signals such as electret microphones. Using it in fron...[Details]
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In any power supply design , the physical design of the PCB board is the last link. Its design method determines the electromagnetic interference and power supply stability. Let's analyze these lin...[Details]
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The digital transformation of manufacturing, known as Industry 4.0, brings together multiple categories of technologies, but competitive advantage comes from whether they can work together. On the ...[Details]
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The sealed lead-acid battery consists of positive and negative plates, separators and electrolyte, battery compartments and connecting strips (or lead parts), terminals and exhaust valves. 1. Main c...[Details]
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Samsung has been criticized by the industry for its chip yield issues. However, according to a report by The Pulse, the English version of the Korean Daily Business News, Samsung recently stated that...[Details]
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With the rapid development of science and technology, the world energy crisis is becoming increasingly serious. The use of conventional energy can no longer meet the needs of the rapid growth of ...[Details]
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Electromechanical relays and circuit breakers are a well-established technology that is used in a wide variety of applications, but they still have some inherent drawbacks. Although semiconductor-b...[Details]
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The digital controlled DC voltage regulated power supply circuit introduced in this example uses control buttons and digital integrated circuits, and uses LED light-emitting diodes to indicate the ...[Details]
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The demand for semiconductor applications continues to grow, especially among large US system manufacturers, mainland Chinese manufacturers and local start-ups. These three customer groups have stron...[Details]
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Recently, the geotechnical survey project of the Hebei Chicheng Gravity Energy Storage Pilot Demonstration Project undertaken by the 517th Team of the Tianjin North China Geological Survey Bureau was ...[Details]