Use the spectrum analysis function of oscilloscope to check and solve EMI

With the emergence of high-performance oscilloscopes which can provide powerful FFT analysis and excellent noise performance, there are new tools for troubleshooting EMI problems. According to the consistency test results, oscilloscope has been proved to be a valuable tool for quickly understanding harmful radiation and identifying its source. In the same instrument, we can not […]

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Reveal the problems of Xiaomi’s space charging technology

On January 30, Xiaomi launched the air separation charging technology on the mobile terminal. The mobile phone does not need to be placed on the charging board. It can be charged while playing games or brushing the web page in bed. Motorola also showed off its air separation charging technology more than an hour before […]

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Design of microwave radiation imaging system based on MSP430F149 single chip microcomputer

introduction —-In passive microwave remote sensing, microwave radiometer is an important means to obtain microwave features of the scene. Microwave radiometer is usually a superheterodyne receiver, which receives the electromagnetic radiation of the measured scene in a certain frequency band and converts it into the output low-frequency signal to characterize the ground feature information of […]

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Does the stereo radiate_ How to prevent sound radiation

All kinds of electromagnetic waves are hovering around us all the time, which may damage our health at any time. As long as the appliance is in the state of operation, there is electromagnetic field or electromagnetic radiation around it. For example, sound radiation, then how to prevent sound radiation? Small series to popularize the […]

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Current situation of radiation pollution of LCD TV

Nowadays, with the development of economy, our family TV has become LCD TV. Whether it is LCD TV or the traditional TV used to be, it has always been the favorite electrical appliance for the elderly and children. How much is the radiation pollution of LCD TV? What is the current situation of radiation pollution […]

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Performance and application of Dahua thermal imaging for the hemisphere of conch

In my impression, industrial thermal imaging equipment is synonymous with high-end applications. The equipment is often large and bulky, and the price is still very expensive. However, with the birth of Dahua dh-tpc-df1241 thermal imaging binocular conch hemisphere, the inherent image of thermal imaging products has been completely overturned. Against the background of the base, […]

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Analysis of function and product characteristics of rsa3000e

1、 General source real time spectrum analyzer rsa3000e series product introduction: Rsa3000e is a five in one spectrum analyzer, including swept spectrum, real-time spectrum, scalar network analyzer (- TG model), EMI receiver and digital demodulation. Its frequency range is 9KHz to 1.5/3ghz, and provides “TG” model with tracking source, which can be widely used in […]

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Radiation range of Substation

Nowadays, many people talk about radiation color change, which is related to whether the radiation of substation is harmful to human body, and they don’t understand it very well. They always use the wrong information to convey the wrong information. So how large is the radiation range of the substation? Now let’s introduce it. What […]

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