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Peregrine introduces 18GHz Switches

First RF SOI switches to provide an alternative to GaAs technology

Peregrine Semiconductor has introduced the UltraCMOS PE42542 and PE42543 18GHz SP4T broadband RF switches. This expansion of the company's high-frequency portfolio - launched in 2013 with the PE42520 and PE42521 SPDT 13GHz switches - represents the first range of RF SOI switches to deliver a high-performance alternative to incumbent GaAs technology, says the company.

Peregrine's new switches offer test-and-measurement, wireless backhaul and military systems designers additional features, such as broad bandwidth, low-frequency power handling, high ESD protection and a fast settling time.

"Peregrine is reaching high-frequency performance levels previously considered unachievable in RF SOI," says Kinana Hussain, senior marketing manager. "Our in-house, high-frequency design expertise coupled with our UltraCMOS technology has enabled Peregrine to break the 13GHz RF SOI barrier last year and expand our high-frequency portfolio to 18GHz today with a roadmap to many more high-frequency components."

Peregrine's entire high-frequency portfolio features high linearity that meets or exceeds GaAs switch performance across the entire frequency band. Because they are based on UltraCMOS technology, the components in the portfolio feature several attributes that GaAs technology cannot match, including: broad bandwidth that maintains performance across the frequency range; low-frequency power handling that maintains signal fidelity as the power passes through; fast settling time that avoids the gate-lag phenomenon; high linearity of 58dBm (IIP3) that ensures minimal signal compression; high ESD rating that offers four times more protection; and low power consumption that uses less than 5 percent power.

In addition to these advantages, Peregrine's UltraCMOS PE42542 and PE42543 18 GHz RF switches offer standard 1.8V and 3.3V input logic control and consistent performance across a wide, 2.3V to 5.5V supply range. For special RF requirements, PE42543 sports a fast switching time of 500 ns.

Peregrine's PE42542 and PE42543 are single-pole four throw (SP4T) RF switches accommodating a frequency range between 9 kHz and 18 GHz and offering low-frequency power handling of 10 dBm at 9 kHz. The switches also offer consistent performance across a wide supply range with no drift in insertion loss and phase. Both switches feature 120µA power-supply-current consumption, which is a fraction of what is required by competing GaAs switches, says the company. 

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