Peregrine UltraCMOS RFICs Enable Communication For Globalstar Communication Satellites

26th March 2013
Posted By : ES Admin
Peregrine UltraCMOS RFICs Enable Communication For Globalstar Communication Satellites

Peregrine Semiconductor announce that the six Globalstar mobile communication satellites, launched into orbit on February 6, have its UltraCMOS Phase Locked Loop frequency synthesizer and prescaler devices designed in. Built by Thales Alenia Space in France, the low-Earth orbit satellites transmit audio and data communications for Globalstar’s mobile voice and data customers worldwide.

Peregrine’s PLL and prescaler enable communication in sixteen C- and S-band transponders in the system, which connects end users with terrestrial communication networks via vehicle-mounted mobile devices, as well as fixed terminals, such as those used for rural telephony. The Peregrine devices feature extremely low phase noise and Single Event Effect immunity—attributes enabled by the insulating properties of UltraCMOS process technology—as well as low power, small form factor, and light weight.

“Our products have nearly 20 years of commercial space flight heritage in some of the most high-profile missions, and we’ve considered Thales Alenia Space an important partner in our endeavor to provide market-leading RF performance in the most demanding radiation-rich environments,” said Dave Shepard, vice president of Peregrine Semiconductor’s High-Performance Solutions business unit. “We’re delighted that Peregrine’s PLL and prescaler were selected for the Globalstar satellites and that UltraCMOS, with its inherent radiation-induced latchup immunity, continues to be the technology of choice for this, or any, space application.”

Single Event Effects are errors that are caused by naturally-occurring space-based radiation. There are two primary types of SEEs. Single Event Upsets are non-destructive and can be corrected. Single Event Latchups, on the other hand, are often catastrophic, resulting in permanent damage and requiring, at a minimum, a power-down to recover. SELs can occur when a high-energy particle strikes a semiconductor device, causing a short circuit from power to ground within the device. RFICs manufactured using UltraCMOS technology do not contain the bulk parasitics found in regular CMOS devices, making latchup impossible.

Peregrine’s UltraCMOS technology is an advanced RF Silicon-On-Insulator process that utilizes a synthetic sapphire substrate—a near-perfect electrical insulator. This substrate enables low parasitic capacitance, high signal isolation, excellent broadband linearity, and inherent SEL immunity. These attributes make UltraCMOS well suited for high-reliability applications, such as commercial satellites.

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