Amateur receiver with dds
Hybrid HF Transmitter - American Radio Relay League
A Digital VFO for Vintage Transmitters. A Digital VFO for Vintage Transmitters by Greg Latta, AA8V The heart of the VFO is a synthesizer from N3ZI called the" Super DDS" . You must purchase and build this first. , which is what I use), the new frequency will be well outside the receiver passband, and the VFO won't interfere with
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QRP ARCI - QRP Kits, Bits and Supplies
DIY HF SSB Receiver MHz with DDS Generator and Active Hula Loop Antenna DIY HF SSB Receiver 20M with AD9850 DDS tune option and Active Hula Loop Antenna The receiver is a simple syperheterodyne type with quartz crystal filter.
DIY HF SSB Receiver 20M with AD9850 DDS - RH Electronics
The DDS VFO is a complete AD9851 DDS Micro controller with software that can be used as a simple DDS signal generator, or as a VFO, ( variable frequency oscillator ) for a Radio project. Most of the functionality is dependant on the standard software that MiniKits supplies with the Kit.