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DDS und NCOs (direct digital synthesis and numerically controlled oscillators)

Posted onApril 27, 2020April 27, 20202 Comments

Wenn man software defined radios bauen will, ist es nützlich, neben digitalen Filtern, digitalen Mischern, digitalen Modulatoren und Demodulatoren auch digitale Signalquellen zu haben, ähnlich wie in der Analogtechnik.Die gibt es natürlich, und diese digitalen Signalquellen nennt man NCOs, numerically controlled oscillators.Das Verfahren, das zum Read More …

DM1CR Smartphone/Bluetooth controlled HF Antenna Tuner

Posted onNovember 4, 2019November 4, 2019Leave a comment

The KICAD design files for this Bluetooth-controlled antenna tuner can be found here: https://github.com/papamidas/ATU_0_HW The firmware for the Arduino NANO board that is part of the Antenna tuner can be found here: https://github.com/papamidas/ATU_0_SW Have fun!

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