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Re: LPF frequency curves #lpf


 

On Wed, Dec 27, 2017 at 10:49 pm, Paul Jorgenson KE7HR wrote:
.......A square wave is the fundamental and all the harmonics.......
I learned recently prepping for the Extra Class exam a sawtooth wave is composed of the fundamental and all harmonics; square waves are going to be predominately made up of odd harmonics as Bob Sutton's measurement bear out.

Many thanks to the folks at HamTestOnline for getting me over the hump!??

--Al
WD4AH

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