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RF/Microwave??

RF switch handles 500MHz to 3GHz

Posted: 25 Feb 2010 ?? ?Print Version ?Bookmark and Share

Keywords:RF switch? broadband? RFID?

PE42440 RF switch

Peregrine Semiconductor Corp. has released a SP4T (single pole four throw) RF switch that is designed using the company's green UltraCMOS silicon-on-sapphire (SOS) process technology, yielding broadband RF performance from 50MHz to 3GHz.

The PE42440 packs HaRP-enhanced switch's linearity performance makes it well-suited for general purpose TRx switching in cellular and 2.4GHz industrial, scientific and medical (ISM) radio bands; antenna tuning; and filter bank tuning/switching in a wide range of applications, including cellular radios and radio modules; antenna tuning of UHF bands through 3GHz; RFID antenna tuning; 2.4GHz ISM; femtocells and other industrial applications.

The PE42440 features an IIP3 of +67dBm and P1dB of 41.5dBm (across the range); insertion loss of 0.45dB; and high isolation of 34dB (at 1GHz). The 50? switch handles maximum +33dBm input power (500MHz to 3GHz) with ESD tolerance of 4kV HBM on the RFC pin.

Additional features include integrated CMOS control logic, decoder for 2-pin control that accepts 1.8V and 2.75V control logic levels, and a low 4.5? series ON resistance. A single Vdd supply pin eliminates the need for multiple power supplies and power up sequencing. The device settles fast without gate lag or insertion loss drift, and no blocking capacitors are required.

The PE42440 is packaged in a 16-lead 3mmx3mm QFN. Pricing is $0.67 in 100K unit quantities.

- Rick Merritt
EE Times





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