RF CMOS and mixed-signal communications ICs supplier Peregrine Semiconductor Corporation has released the UltraCMOS based PE42641 SP4T antenna tuning switch delivering an unparalleled IMD performance of -110 dBm. Thus, making it suitable for converged designs requiring high linearity and low distortion, said Peregrine. A variety of emerging market applications will benefit from the exceptional RF performance advantages of the PE42641 switch, including 3G GSM/EDGE/WCDMA and CDMA handset and PC card applications, machine-to-machine applications such as vending machines and parking, added the developer.

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The UltraCMOS silicon-on-sapphire based PE42641 incorporates the manufacturer’s HaRP technology enhancements to deliver exceptional harmonic results, linearity and overall RF performance. These include a high linearity of +68 dBm IP3 or -110 dBm IMD, harmonics better than -80 dBc, low insertion loss of 0.5 dB (typ) and high isolation of 35 dB at critical paths. Additionally, the new switch offers Class 2 ESD (2 kV HBM) on all pins, and Class 3 (4 kV HBM) at the antenna, which is the highest ANT-pin ESD protection available today, according to Peregrine.

“With the UltraCMOS PE42641, the industry is finally able to deliver on the promise of tuning capability in mobile devices, a challenge which has been on the whiteboards of antenna designers for many years,” commented Rodd Novak, vice-president of marketing and business development. “The PE42641 is our first step in supporting the emerging market of tunable components. Further, as with the entire Peregrine portfolio, this SP4T is developed on UltraCMOS which is a standard CMOS technology. It leverages all the same low-cost, high-value benefits in manufacturing yields, scalability and ease-of-use, while delivering the unprecedented performance offered only with our proprietary sapphire substrate,” he added. “For high-performance switch applications at any throw-count, UltraCMOS is the future.”

Peregrine’s 50-Ohm PE42641 2.75 V RF switch operates from 100 – 3000 MHz and provides many additional features, including on-board CMOS logic which facilitates 1.8 V or 2.75 V control; 4.5 Ohm series on resistance, no blocking capacitors, and fast switch settling time. The device is available in the ultra-compact, RoHS-compliant 3 x 3 x 0.75 mm TQFN package and is priced at $0.91 in volume (100K units).

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