Engels insightfully noted, “As soon as technological advances become available for military purposes and have been used for military purposes, they immediately and almost forcibly, and often against the will …
Figure 1 below shows the filtering circuit of the Hall signal of the brushless motor. In order to ensure the quality of the waveform, the simple resistive-capacitance filtering does not …
Flyback converter secondary output rectifier diodes or synchronous MOSFETs, placed on the high side (output power side) or on the low side (output ground side), the two cases, the power …
01 Oster Experiment I. Background What is the Oster experiment? It is actually very simple, just placing a compass under an electrified wire. Why is this experiment so important? Why …
As we all know, FBAR filter is a thin film cavity acoustic resonance filter, it is different from the previous filters, it is manufactured by using silicon substrate, with the …
A preamble Electronic products can not work without power supply, with the development of the electronics industry, power supply DC-DC module is also increasingly towards the direction of small size, …
This article is selected from Physics, Vol. 12, 2022 Abstract Phantom optics based on transformation optics are able to exhibit phenomena that do not exist in nature, such as stealth, …
Electromagnetic compatibility EMC (ElectroMagneTIcCompaTIbility) refers to the characteristics that the system or equipment can work normally in the electromagnetic environment in which it is located without causing interference to other …
Our most commonly used inductors are. Ferrite core’s, wirewound process, plain shielded or resin shielded high power inductors. Expensive metal one-piece molded inductors. Small power inductors with ferrite substrate lamination …
The problem of electromagnetic radiation of electronic products is getting more and more attention, and I believe that most of them are not unfamiliar with the term EMC (electromagnetic compatibility), …
