SP4T RF switch delivers strong linearity, low loss
The PE42448 SP4T RF switch from pSemi spans 10 MHz to 6 GHz, handling peak power of 52 dBm with IIP3 linearity of 88.5 dBm. The UltraCMOS SOI switch also offers low insertion loss, with typical values of 0.6 dB at 2.6 GHz and 0.7 dB at 3.8 GHz. These characteristics make the PE42448 well-suited for hybrid analog beamforming and 5G massive MIMO systems.
Housed in a 20-lead, 4×4-mm LGA package, the PE42448 offers a compact monolithic alternative to complex RF switch assemblies. Features like single logic control for device pairing and straightforward power sequencing ease integration in beamforming systems, as well as in test, land mobile radio, and general-purpose applications. Additionally, the absence of DC bias on the RF ports eliminates the need for blocking capacitors—simplifying system design.
The PE42448 switch operates with a 5-V supply and 1.8-V control voltage across a temperature range of –40°C to +115°C. Pin-for-pin compatibility with the earlier PE42443 and PE42444 SP4T RF switches enables seamless integration.
PE42448 samples are available now with commercial availability in July 2025.
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