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News Release from: Strategy Analytics
Edited by the Electronicstalk Editorial
Team on 03 March 2006
SoS penetrates multiband handset market
A new report finds that silicon on saphire technology has begun to disrupt established approaches to transmit-receive (T/R) switching in multimode, multiband cellular handsets.
In its latest Insight report: "Silicon-on-sapphire switches for handsets: stopgap or disruptive technology?", Strategy Analytics evaluated CMOS silicon-on-sapphire (SoS) RF switches and found that SoS has begun to disrupt established approaches to transmit-receive (T/R) switching in multimode, multiband cellular handsets Peregrine Semiconductor has shipped several million CMOS SoS RF switches to customers for GPRS handsets
This article was originally published on Electronicstalk on 4 Nov 2005 at 8.00am (UK)
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Recently, the company released SP7T "HaRP" SoS RF switches for dual-mode W-CDMA handsets, claiming that these offer superior performance to GaAs P-HEMT switches.
"After evaluating this technology, we have concluded that Peregrine's SoS RF switches offer advantages that could displace GaAs in dual-mode WCDMA handsets", says Asif Anwar, Director of the Strategy Analytics GaAs service.
"However, GaAs vendors have already moved to address P-HEMT switch shortcomings with improved performance".
"They have also developed switches with higher complexity not yet available in CMOS on SoS.
These moves will limit the penetration of CMOS SoS in applications now served by P-HEMT switches to a few design-wins at best".
"CMOS SoS will continue to have its greatest success in displacing PIN diodes in antenna switch modules", adds Chris Taylor, Director of the Strategy Analytics RF and Wireless Components (RFWC) Service.
"The multiple PIN diodes required for complex antenna switch modules (tri- and quad-band) draw significant current".
"Peregrine has already demonstrated the suitability of its technology for this application".
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