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High Isolation, Carrier-Grade Wi-Fi Switch

November 13, 2013
KEYWORDS standard / switch
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High Isolation, Carrier-grade Wi-Fi Switch

Peregrine Semiconductor has developed one of the highest performance, carrier-grade Wi-Fi switches on the market. With the very high isolation, Peregrine’s switch also sets a new bar in linearity, which makes it ideally suited for the fast-growing market of 802.11ac Wi-Fi access points. Based on Peregrine’s UltraCMOS® technology, the PE42423 is the first in its class to offer 41 dB of port-to-port isolation at 6 GHz. This best-in-class isolation enables multi-radio access points to perform at peak levels without interference between the radios. Exceeding the stringent 802.11ac standard, Peregrine’s switch also offers 65 dBm of linearity to achieve higher data rates.

In addition, UltraCMOS technology delivers equally high performance at either 3.3 or 5 V, unlike GaAs switches that experience severe performance degradation below 5 V. Peregrine’s switch gives networking-product designers the flexibility to operate at lower power supplies and reduce energy consumption.

Peregrine’s PE42423 is a single-pole double throw (SPDT) RF switch featuring low insertion loss (0.8 dB at 2.4 GHz, 0.95 dB at 5.8 GHz), fast switching time (500 ns) and high ESD ratings (3.0 kV HBM on all RF pins). It operates over a wide frequency range from 100 MHz to 6 GHz and supports 802.11 a/b/g/n/ac. In addition, it has high power handling of 47 dB at 2.4 GHz and 43 dB at 6 GHz. The switch supports +1.8 V standard logic control. It provides stable RF performance over a power supply range between 2.3 and 5.5 V. The packaging is RoHS compliant, 16-lead QFN and measures 3 × 3 mm. Peregrine is committed to meeting the Wi-Fi data-rate and capacity demands of the future, and we are already helping networking vendors achieve unprecedented performance using this switch in their Gigabit Wi-Fi access points.

Peregrine Semiconductor
San Diego, CA
www.psemi.com

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