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1 Overview With the emergence of computer-aided design software, more and more electronic design automation (EDA) software has emerged and become a powerful tool for designers. PSpice software...[Details]

As shown in the figure, this is a resistance fast estimation circuit. The core of this circuit is a multivibrator composed of 555 and R1, R2, R3, Rx (resistance to be measured), C1, etc. Resistors R4~...[Details]

　　The influence of sample quality 　　The surface roughness, curvature and thickness of the sample will affect the measurement error. Because the surface roughness has a great influence on the measured...[Details]

Everyone has heard that creak or noise coming from under the bonnet, only to be stopped when it’s too late and the car is left steaming and broken down on the side of the motorway. A survey by UK car...[Details]

　　This paper introduces the application of the automatic monitoring system of CO2 concentration in grain storage engineering. The infrared gas analyzer is used to monitor the CO2 concentration in the ...[Details]

      Last year, Google brought the Pixel 3a product line for the first time, bringing this phone designed for geeks or Android compatibility verification to the mid-range price range and lowering th...[Details]

TL499A boost regulated power supply and battery backup power supply circuit TL499A is an adjustable switching regulator, whose output voltage is adjustable between 2.9 and 30V. TL499A can be ...[Details]

Renesas Electronics Launches Complete Power Solution for RZ/G2L, RZ/V2L Significantly Reduces System Design Time New products can improve system reliability, reduce overall costs, an...[Details]

 According to Taiwan media Economic Daily, the market has heard that Samsung's orders for mobile phone chip giant Qualcomm using a 5nm process may have some problems, so Qualcomm urgently asked TSMC ...[Details]

There is no system tick timer in STM8, so the timer is used to implement the function of the system tick timer, generating an interrupt every 1ms. This time, the high-speed internal clock is used, an...[Details]

1. Introduction LED modules are now widely used in electronic products. With the expansion of application scope and the continuous improvement of lighting systems, the demand for...[Details]

China Energy Storage Network News: The key to solving the problem of power shortage lies in resolving the conflict between market coal and planned electricity. To eliminate power shortage, ...[Details]

In recent years, offices, office buildings, shopping malls and hotels have generally adopted centralized air conditioning and ventilation systems. Statistics show that the glass windows of office b...[Details]

As the driving power supply of high-power modules, the main circuits such as the switching circuit, amplification circuit and inverter circuit may interfere with the electromagnetic environment. Th...[Details]

Automobiles are an important application direction for UWB, especially in the past one or two years, more and more car models on the market use UWB digital car keys, which allows us to see the pote...[Details]