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Knowledge about Monolithic Crystal Filter

Mar. 16, 2018

21.7MHz Monolithic Crystal Filter, 38.850MHz Monolithic Crystal Filter, that is 21.7MHz MCF, 38.850MHz MCF are two of the most popular MCF. In this article, we will introduce basic knowledge about monolithic crystal filter.

Monolithic Crystal Filter

Monolithic crystal filter The crystal filter is a device produced by evaporation and photolithography. It has an electromechanical filter composed of a quartz wafer with metal electrodes on its surface. The advantage is that transformer transformers, inductor inductors, and other discrete discrete devices are not needed, so they are smaller than general-purpose filters. In addition, as long as the required reinforcements, masks, design data, etc. are obtained, its cost will be very low.


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