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The Introduction of Bandpass Filter

A bandpass filter is a filter that can pass the frequency component within a certain frequency range but attenuate the frequency component of the other range to a very low level. An example of analog bandpass filter is the RLC tank circuit.


An ideal bandpass filter should have a completely flat passband without amplification or attenuation, and all frequencies outside the passband should be completely attenuated. Besides, the conversion outside the passband should be completed in a very small frequency range. In addition to the fields of electronics and signal processing, an example of the application of bandpass filter is in the field of atmospheric science. And  it's usually the case that using bandpass filter to filter weather data in the latest 3-10 days, so that only cyclones as disturbances are retained in the data domain.


Hyperion Optics is a premium supplier of products including optical components, lens systems, and photomechanical assemblies from UV, VIS, NIR to SWIR applications. Our bandpass filters are jointly accomplished by optical, mechanical, and quality assurance engineers to to ensure that the solution meets all your mechanical and performance specifications requirements. Welcome to select and purchase!

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