Archive for date: January 11, 2011

My Morse Code practice generator…

January 11, 2011 | Amateur Radio | By: Mark VandeWettering

A while ago, I worked up a simple little program that could generate both computer generated speech and Morse code at various speeds to make up some sample recordings I could use to brush up on my Morse skills. I apparently left it in a pretty broken state though: it could use some work. But […]

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On an LC Bandpass Filter for receivers…

January 11, 2011 | Amateur Radio | By: Mark VandeWettering

I had some time yesterday, but no enthusiasm for melting solder (hey, some times, you just don’t feel it) so I thought I’d spend some time, well, learning stuff. So, I dusted off EMRFD and looked at the design equations for creating bandpass filters for receiver inputs. On my second printing, these occur on page […]

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