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pSemi Announces PE42727 UltraCMOS® SPDT RF Switch for High‑Performance DOCSIS 4.0 Broadband Systems 

New 75 Ohm RF switch delivers exceptional isolation, harmonics performance, and low insertion loss across a wide frequency range. 
 

SAN DIEGO – June 8, 2026 – pSemi® Corporation, a Murata company leading in the design and development of semiconductor integration and advanced connectivity, today announces the PE42727 UltraCMOS® SPDT RF Switch, a high-isolation solution optimized for next‑generation broadband cable applications. This announcement underscores pSemi’s continued investment in advanced RF integration technologies that enables for DOCSIS® 4.0 3 and future-generation broadband architectures.

The PE42727 is a HaRP™ technology‑enhanced SPDT RF switch designed for cable broadband applications operating from 5 MHz to 3.1 GHz. Engineered to meet DOCSIS 4.0 requirements, the PE42727 delivers high surge protection, best‑in‑class linearity, exceptional harmonic performance, low insertion loss, and high isolation, supporting advanced modulation schemes in modern cable networks.
 
Key product benefits of the PE42727 include:  
  • Support for DOCSIS 3.0, 3.1, and 4.0 systems, enabling flexible broadband architectures for cable modems, set‑top boxes, residential gateways and cable broadband infrastructure
  • Provides exceptional harmonic performance, including –121 dBc second harmonic and –140 dBc third harmonic at 17 MHz
  • Low insertion loss of 0.16 dB at 85 MHz and 0.55 dB at 1794 MHz
  • High isolation of 64 dB at 85 MHz and 30 dB at 1794 MHz
  • Built on UltraCMOS process technology, delivering GaAs‑like RF performance with CMOS levels of integration and manufacturability
“Broadband access networks are evolving rapidly, and operators require RF solutions that deliver consistent linearity and signal integrity across increasingly wide bandwidths,” said Rodd Novak, Vice President of Sales and Marketing, pSemi. “The PE42727 was engineered specifically to address DOCSIS 4.0 system requirements, giving our customers a reliable, high-performance RF switch to support next generation cable deployments.”
Rodd Novak
Vice president of global sales, marketing, and system engineering, pSemi

PE42727 samples are available now, with commercial orders currently being accepted. For more information, please visit the PE42727 product page. To request a sample, please contact sales@psemi.com.

About pSemi

pSemi (formerly Peregrine Semiconductor) is a leader in the design and development of semiconductor integration, providing world-class capabilities with high-performance RF, analog and mixed signal solutions. With a 30-year legacy of technology advancements, strong IP portfolio and deep expertise in RF integration, our solution portfolio spans power management, connected sensors, antenna tuning, and RF frontends, which enable advanced modules for smartphones, base stations, personal computers, electric vehicles, data centers, IoT devices, healthcare and more. A wholly owned subsidiary of Murata Electronics North America, Inc., pSemi is headquartered in San Diego, with additional offices spanning North America, Europe, and Asia. For more information, please visit www.psemi.com and connect with us on LinkedIn at https://www.linkedin.com/company/psemi/.

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