不记得是哪个文章，有个读者说了一个滤波器，我只有搜索到了一个ADI的文档： 想起来了，是LMC6482的文章来着；滤波器其实有不少，但是也不多，其实就是滤波器的参数很多，没有一个是完美的，所以先聊聊这个滤波器的适用情况；其实主要是 “窄带滤波 ...

Delta Optical Thin Film has lifted the application range of variable filters to new levels by introducing a new powerful type of linear variable filter (LVF) Since Delta Optical Thin Film A/S offered ...

This application note presents the TH7122 and TH71221 transceivers used in narrow band FSK applications. It briefly describes the narrow band considerations, the VCO design, PLL set-up, as well as the ...