pSemi has introduced a family of switch + low-noise amplifier (LNA) modules for 5G massive multiple-input, multiple-output (MIMO) base stations. With an ultra-low noise figure and excellent input power handling, these modules are ideal for protecting remote radio units that operate in the sub-6 GHz frequency bands.
The PE53111, PE53211, PE53110 and PE53210 support sub-6 GHz 5G new radio (NR) bands and meet the stringent RF system requirements of massive MIMO base stations. The PE53111 and the PE53211 cover a frequency range from 2,3 to 2,7 GHz (bands 40, 41, n7, n38, n41), while the PE53110 and PE53210 extend from 3,3 to 3,8 GHz (bands 42, 43, n78).
In a single-channel or dual-channel configuration, the receiver modules integrate two-channel LNAs with bypass function and high-power switches. An on-chip, fail-safe switch - with over 5 W average power handling - improves the overall robustness of the receive channels. Design engineers can control each channel individually within the selected frequency band, offering flexibility in the overall system design.
Regarding performance, the modules deliver a very low noise figure, high linearity and low power consumption. They offer ESD protection up to 1 kV HBM and operate in environments up to 105°C.
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