A millimeter wave (very small lambda) wafer scale (giant chip = super expensive) phased array integrated onto a chip achieves a half power beamwidth of around 6 degrees.
https://ieeexplore.ieee.org/document/7747488
For good millimeter wave RF you usually need either III-Vs or SOI. Those wafers are expensive.
A millimeter wave (very small lambda) wafer scale (giant chip = super expensive) phased array integrated onto a chip achieves a half power beamwidth of around 6 degrees.
https://ieeexplore.ieee.org/document/7747488
For good millimeter wave RF you usually need either III-Vs or SOI. Those wafers are expensive.