Roofing Filters: What are they, and how do they Help?. David Treharne N8HKU Ford Amateur Radio League May 8 th , 2014. What is a Roofing Filter.
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Roofing Filters: What are they, and how do they Help?
Ford Amateur Radio League
May 8th, 2014
Note the intermodulation products, and curved bandpass, showing distortion.
Flat response, no distortion products