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New RF Switch from Peregrine Semiconductor Optimizes Performance of Broadband Cable Systems



  New RF Switch from Peregrine Semiconductor Optimizes Performance of
  Broadband Cable Systems

PE42720 75Ω RF switch features exceptional linearity and isolation performance

Business Wire

SAN DIEGO -- August 19, 2013

Peregrine Semiconductor Corporation (NASDAQ: PSMI), a fabless provider of
high-performance radio frequency integrated circuits (RFICs), today announced
availability of the PE42720 75-Ohm RF switch for broadband cable systems.
Manufactured on Peregrine’s UltraCMOS® technology, the HaRP™-enhanced
single-pole, double-throw (SPDT) switch features high linearity, leading
isolation performance and excellent video feedthrough – a combination that is
ideal for supporting higher data rates in cable modem termination systems
(CMTS), multi-service headends, cable television (CATV) optical transceivers,
fiber hubs, optical network terminals, and CATV amplifier modules.

Optimized for high linearity and isolation performance, the PE42720 supports
increasing data rates as required by the industry transition to DOCSIS 3.1.
High linearity minimizes distortion in the cable network to support new
modulation schemes such as 4096-QAM, while the ability to support high
isolation between RF ports minimizes unwanted signal interference. This
combination is critical as DOCSIS 3.1 relies on orthogonal frequency-division
multiplexing (OFDM) to improve spectral efficiency, allowing a 50% increase in
data rates up to 10Gb/s downstream and 1Gb/s upstream.

“As the cable television market moves to OFDM to increase data rates,
manufacturers will need to make improvements in efficiency in all parts of the
system by reducing noise, intermodulation distortions, and ingress,” said Mark
Schrepferman, director of the commercial and industrial product line with
Peregrine’s High performance Solutions Business Unit. “Peregrine has been
supporting these requirements for years in the wireless markets, and we are
pleased to bring the exceptional linearity and isolation performance that can
only be achieved using Peregrine’s UltraCMOS technology and HaRP enhancements
to broadband cable applications.”

Peregrine’s new switch features high isolation performance of at least 60dB
across the entire broadband frequency range of 5MHz to 3 GHz (65dB at 1 GHz
(typ) and 64dB at 2GHz). The device features excellent video feedthrough of
5mVpp for reduced distortion, and delivers low insertion loss (0.7 dB @ 1GHz
and .8 dB @ 2 GHz), which enhances overall system performance by reducing RF
path noise figure. In addition, high linearity with a CTB/CSO of -104 dBc
improves dynamic range of CATV systems. The PE42720 supports 1.8V and 3.3V
control logic and ESD performance of 2500V HBM on all ports.

Development Tool Support

Peregrine Semiconductor also announced availability of the PE42720 Evaluation
Kit. The kit can be ordered now, through Peregrine’s global direct sales
representatives and worldwide distribution partners.

Packaging, Pricing & Availability

The PE42720 is available now in volume production, supplied in a 4x4 mm
20-lead LGA package priced at $1.06 in 10K quantity orders. Samples and
volume-production quantities can be ordered today, through Peregrine’s global
direct sales representatives and worldwide distribution partners. For more
information, visit http://www.psemi.com.

About Peregrine Semiconductor

Peregrine Semiconductor (NASDAQ: PSMI) is a fabless provider of
high-performance radio frequency integrated circuits (RFICs). Our solutions
leverage our proprietary UltraCMOS^® technology, an advanced RF
Silicon-On-Insulator process. Our products deliver what we believe is an
industry-leading combination of performance and monolithic integration, and
target a broad range of applications in the aerospace and defense, broadband,
industrial, mobile wireless device, test and measurement equipment, and
wireless infrastructure markets. Additional information is available
at http://www.psemi.com.

     The Peregrine Semiconductor name, logo, and UltraCMOS are registered
  trademarks of Peregrine Semiconductor Corporation in the U.S.A., and other
  countries. All other trademarks mentioned herein are the property of their
                              respective owners.

Tags/Keywords: DOCSIS 3.1, digital switch, SPDT, Broadband switch, CATV

Datasheet available at:
http://www.psemi.com/content/products/product.php?product=PE42720

Hi-res images available through editorial contact or Flickr (feel free to
publish):
PE42720 Photo http://www.flickr.com/photos/peregrinesemiconductor/9503520411/
Evaluation Kit Photo
http://www.flickr.com/photos/peregrinesemiconductor/9503520261/
Product Specifications Graphic
http://www.flickr.com/photos/peregrinesemiconductor/9506318168/

Contact:

Peregrine Semiconductor Corporation
Tiana Dixon, 503-708-1925
tdixon@psemi.com
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