News — Filters
Hydrogen Line (1420 MHz) Pre-filtered LNA
Posted by GPIO Labs on
Jarek presented his work at the Canada Wide Science Fair on the use of Software-Defined Radio to detect 1420 MHz radio waves from outer space.
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.
FM Notch or FM Band Stop Filter
Posted by GPIO Labs on
An FM notch filter is used to reject strong FM signals in receiver applications. A good FM Notch filter will reject FM signals and have low insertion loss for signals outside the band.