Low-pass filter section of OpenHPSDR frontend ((Alex retrofit))
This repository contains the up to date version of the OpenHPSDR Low Pass Filter project(Alexiares frontend).
Important notice : please check the “Branch” pull-down menu to see the different versions of the pcb
This work is protected by the TAPR Open Hardware Licence https://www.tapr.org/ohl.html
Original work by Graham Haddock, KE9H and Phil Harman, VK6APH.
3D image of the board are stored in the “images” folder (3D and pcb planes)
This folder also include “real life” pictures of the board, Vector Analyzer capture of the filter’s characteristics and a pdf file of the schematic
Board’s dimensions 10x15cm , 4 layers
So far, the Alex project under Kicad contains:
AlexI2C
Alexandrie
Alexiares_Coax_Out
Alexiares_HPF
Alexiares_LPF (this one)
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