A filter that blocks low frequencies and allows higher frequencies to pass through. Such filters are used in devices such as POTS splitters that direct phone and DSL signals to different lines.

There are two modes for cut-off frequency programming: ... The block is the 4rd order Butterworth low pass filter with cut-off frequency adjustment (22...50 MHz ). High third-order input intercept ...

Since many amateur transmissions are lower in frequency than TV and FM signals, a high-pass filter can be fitted to the receiver to prevent the low frequency amateur signals from reaching it and ...

Coming in the same brutish-looking form factor as the DS-2, this includes both an emulation of the smooth 2045 low-pass ...

Kyocera has brought out two series of compact, thin-film band-pass filters designed to satisfy cross-market customer demand ...