principles projects CNMI-Guam old projects |
HFDR /
Generic HFDR electronic boards:DDS digital controller: Commercial board design and schematics by Peter Milne and John McClain from D-TACQ Solutions Ltd, based on a concept and block diagram by Pierre Flament at the University of Hawai'i. Version: 2017. Analog and power supply boards: Commercial board designs by Ronvel EURL, based on prototype designs by David Harris, following concepts and schematics by Pierre Flament, Ian Fernandez and Mael Flament at the University of Hawai'i. Version: 2021. Power stabilization and distribution: Oscillator and signal buses: Receivers / demodulators: GNSS interface: |