News — Bandpass Filter

Airband Filter

Posted by GPIO Labs on

A new Airband bandpass filter centered at 128 MHz. The filter has a bandwidth of 20 MHz.  The filter is designed to reject strong signals in the adjacent FM band.

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GPS Bandpass Filter

Posted by GPIO Labs on

Herbert Ullmann AF4JF,  tests and describes some applications of the 433 MHz, GPS and 1268 MHz bandpass filters

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