Interdigital Filter for ADS-B
(click to enlarge)
(click to enlarge)
A first attempt at a homebuilt interdigital filter for 1090mhz.
Based on the design and calculator at
Finally had a chance to do a wider scan of the filter's response. For a first attempt, I was pleased with the result, although the drop-off is a bit steep.
(click to enlarge)
