You can buy single-chip PGAs. Visit e.g. Programmable & variable gain amplifiers (PGAs & VGAs). However, here we are going to build one. Don't worry 🙂 Just hit Alt ...
Abstract: In this study, a high-isolation and high-gain multiple-input multiple-output (MIMO) antenna array operating at 77 GHz is proposed. It consists of two columns of transmitting (TX) sawtooth ...
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