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A filter is a filter circuit composed of capacitors, inductors and resistors

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2021-09-26 09:36

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A filter is a filter circuit composed of capacitors, inductors and resistors. The filter can effectively filter the frequency point of a specific frequency in the power line or the frequency other than the frequency point to obtain a power signal of a specific frequency, or eliminate the power signal of a specific frequency.

Keyword：滤波器是由电容、电感和电阻组成的滤波电路

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Use red and black test leads to measure the forward and reverse resistances between any two pins of the two-terminal or three-terminal ceramic filter should be ∞

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Ceramic filters are divided into two categories: band-stop filters (also known as notch filters) and band-pass filters (also known as filters) according to their amplitude-frequency characteristics.

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Ceramic filters are made of lead zirconate titanate ceramic material

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SAW filters and SAW resonators are widely used in various wireless communication systems, TV sets,...

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The main principle of the SAW filter (usually referred to as SAW) is to use the piezoelectric properties of piezoelectric materials.

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