The use of feedthrough capacitors in actual engineering, the frequency of electromagnetic noise to be filtered is often as high as hundreds of MHz, or even more than 1 GHz. For such high-frequency electromagnetic noise, feedthrough capacitors must be used to effectively filter out. The reason why ordinary capacitors cannot effectively filter high frequency noise is [...]
Due to the surge in new crown cases, on August 2, Victoria, Australia's second most populous state, declared a "state of disaster" and impose a curfew in the capital Melbourne. On the same day, Victoria added 671 confirmed cases and 7 deaths. State officials said that due to the increase in community-transmitted cases and cases of [...]
India is buying fighter jets against China? The Ministry of Foreign Affairs only replied one sentence Overseas Network, July 30. According to the Ministry of Foreign Affairs website, on July 30, Foreign Ministry Spokesperson Wang Wenbin hosted a regular press conference. The relevant content is recorded as follows: Agence France-Presse reporter: The Indian Defense Minister stated [...]
A film capacitor is a capacitor in which a metal foil is used as an electrode, and a plastic film such as polyethylene, polypropylene, polystyrene or polycarbonate is overlapped from both ends and then wound into a cylindrical structure. The following are the precautions for using film capacitors: 1. Working voltage The choice of film capacitor [...]
According to British media reports, as online payment is booming in India, one of the economies most affected by the new crown pneumonia epidemic, India plans to promote its digital payment model globally. The British "Financial Times" website reported on July 25 that since its launch in 2016, India's "Unified Payment Interface" (UPI) has promoted the [...]