YU1LM/QRP site navigation new from last site update o Homebrew o YU1LM SDR clasification o DC (direct conversion) receivers o DC RX-YU1LM Serbian o DC RX-YU1LM English o DC (direct conversion) transmitters o Audio phase shift networks o Tunable crystal filter o Tunable HF BP 2-30 MHz o Band pass 1.8 MHz o Band pass 50 MHz o Band pass 144 MHz o TX BP HF/6m ver1 o TX BP HF/6m ver2 o TX BP HF/6m ver3 o RX BP/LP HF/6m o AVALA TX BP/LP HF/6m o LP/BP for 100-500kHz o HF Multiplexer Filters o DR1 o DR1A o DR2 o DR2A o DR2-2 o DR2B o DR2C o DR2D o DR2E o DR2G o DR2A+,DR2A++ o DR2F+,DR2F++ o DR2H+,DR2H++ o DR2I+,DR2I++ o DR3X o DT1 o DT2 o DT2A o DT2A1 o ADTRX1 o AVALA-01 o AR1 o AR1B o AR1C o HF/VHF oscillators o CMOS SDR oscillator o Synthesizer RZ6HY o Miniwhip PA0RDT o OK2CPV SMT receiver
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Classification of all YU1LM /QRP SDR designs I received several E-mails with questions about choice adequate types SDR designs. I am professional R&D and as professional designer I have always a limit to finish designs to dead time line. As HAM I left my imaginations to make test in many directions and results are different types of designs for the same purpose. This article with classification of all YU1LM/QRP SDR designs is my little help for homebrew builder to make correct choice according to their specific requirements or some other criteria.
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