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Mar 08, 2022 · Raspberry Pi DDS-VFO for Drake Twins (R-4C, T-4XC) Schematic. The upper left is a raspberry pi, connected in the traditional way. The lower left is an atmega328, just in case you’re the type of person that a raspberry pi is not for you. The lower right section is where it gets interesting. The DDSVFO is driven by four lines — clk, load ...
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DDS-VFO. DDS-VFO. VFO-STB. S-meter. Hf Converter. Firmware Only. Legacy FW. GEBETRK. Gallery. Help Files. PCB Info. User PDF. HF Rx pin out. Click the link for help files: HELP_FILES. These files may help in the installation of the DDS-VFO. If you have files on a radio that you have compleated, please share them if you have information not seen ...
Oct 22, 2022 · A Simple DDS based VFO using an 8-pin PIC and AD9850/51 module. It is a VFO that can be used just as an ordinary transistor/fet VFO would be. This has been kept as simple as, any buffering, amplification or filtering is left up to you to build to suit your purposes.
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