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29 July 2014

Peregrine upgrades high-isolation, multi-throw switches for emerging requirements in wireless infrastructure

Peregrine Semiconductor Corp of San Diego, CA, USA - a fabless provider of radio-frequency integrated circuits (RFICs) based on silicon-on-sapphire (SOS) and silicon-on-insulator (SOI) - has introduced the UltraCMOS PE42442 and PE42452 high-isolation, multi-throw switches.

Successors to the PE42451, the SP4T (single-pole, four-throw) and SP5T (single-pole, five-throw) switches include additional features that support the latest wireless infrastructure demands, including an extended temperature range to 105°C and control logic support of 1.8V and 3V. With the rapid expansion of LTE and soon LTE-A, these high-isolation switches provide a reliable solution for wireless infrastructure applications and enable LTE infrastructure designs to maximize spectral efficiency and data throughput, claims Peregrine.

“As the demands of the wireless infrastructure market shift, Peregrine has strategically added key features that help our customers adapt to emerging trends,” says senior marketing manager Kinana Hussain. “Peregrine is in a unique position to address many of these demands, largely due to the capabilities of our UltraCMOS technology,” he reckons. “RF engineers can now leverage an increased temperature range, lower power consumption and more design flexibility, coupled with key UltraCMOS advantages in reliability, linearity, ESD and consistent RF performance.”

Building on the foundation of the PE42451, the PE42442 and PE42452 include several new features. Temperature support was increased to 105°C for use in rugged conditions, a 1.8V logic control was included to enable lower power consumption, and a wider power supply range of 2.3-5.5V was employed for maximum design flexibility. Additionally, the insertion loss, isolation and ESD protection on the switch were enhanced.

Covering a frequency range of 450MHz to 4GHz, the PE42442 and PE42452 deliver linearity invariance over supply, flexible control and ESD protection. The PE42442 SP4T RF switch is a four-throw version of the PE42452 and offers a 52dB port-to-port isolation at 2.7GHz and 61dB at 900MHz. The PE42452 SP5T RF switch is a pin-compatible upgraded version of the PE42451 and delivers 52dB isolation at 2.7GHz and 61dB at 900MHz. The 50-ohm absorptive switches have high linearity up to 4GHz with a more than 55dBm IIP3. The high-isolation switches deliver ESD protection of 4kV HBM on all RF pins, enabling high manufacturing reliability.

Offered in a 24-lead 4mm x 4mm QFN package, samples and volume production parts are available now. For 10,000-quantity orders, the PE42442 is priced at $1.60 each and the PE42452 at $1.92 each. Evaluation kits are also available.

Tags: Peregrine UltraCMOS SOS

Visit: www.psemi.com

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