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Category Archives: Project
Hidden attic dipole antenna installation
So it has been forever since I’ve posted anything, let alone made any serious attempts at “playing radio” so I figured that I should change that! I’ve had too many excuses not to get this project done; time to make … Continue reading
APRS & Soundmodem
I was not satisfied with my prior results with the APRS testing, so I setup soundmodem in an Ubuntu environment on my trusty netbook and set-off to decode packets. As expected, everything went well – soundmodem was decoding local packets … Continue reading
Interface v0.20 laid-out
Having recently explored the signal integrity issues in the Interface v0.11, I’ve re-tooled the board to use the TY-311P transformers in v0.1 which meant a total redesign of the layout. In the most recent version, I’ve grouped the components in … Continue reading
Posted in Project
Tagged DC bias, decouple, electret, FET, impedance, isolation, sound card interface, transformer
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