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All about electronics and circuit design

More AD9850 DDS testing

I have already written a few posts on AD9850 DDS testing. Here are some more testing. I had possibility to test my signal generator circuit with Rigol DSA 815 RF spectrum analyzer. I improved my test circuit from previous tests by putting it inside case. I also replaced Arduino UNO with Arduino model with FTDI

New Multi-Core Raspberry Pi 2

Raspberry Pi is an almost mythical cheap single board computer that has very many fans. When last year Raspberry Pi Foundation launch of the Raspberry Pi Model B+ as the final evolution of the original RPi board while still costing $35 USD, it was considered to be an improvement over original Raspberry Pi B model,