The outputs of four LNAs get phase and amplitude shifted by an ADAR1000, then summed together at its RFIO output. However, CN0566 only connects the ADAR1000 receive paths. The ADAR1000s are capable of bidirectional, half-duplex operation. The ADAR1000 is an 8 GHz to 16 GHz, 4-Channel, beamformer that allows per-channel, 360° phase adjustment with 2.8° resolution, and 31dB gain adjustment with 0.5dB resolution. The output of these amplifiers is fed into the main core of this circuitry, two of the ADAR1000. Each antenna element is input to an ADL8107, a low noise amplifier (LNA) that operates from 6-18GHz with 1.3dB NF and 24 dB gain. ![]() The RF input signal is received from an onboard 8-element patch antenna that operates from 10 to 10.5 GHz. ![]() ![]() CN0566 is a phased-array beamforming antenna demonstration platform that allows the user to experience the principles and applications of phased array antennas.
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