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The new 6.0 GHz RF Power Limiter for the space design community from Teledyne e2v HiRel. (Photo: Business Wire)
Like the 2.5 GHz Limiter introduced in December, this new Limiter is a monolithic integrated circuit based on a Silicon-on-Insulator (SOI) technology.
Both products were developed for use in high reliability applications in aerospace and defense, but the 6.0 GHz Limiter was released specifically for applications that require higher frequencies. The TDLM06100 is radiation tolerant to >100 krad(Si), making it the perfect choice for satellites and other high-altitude applications.
For more information, visit Teledyne booth #708 at the Satellite 2020 show in Washington, DC March 9-12.
“This new RF power limiter provides significantly expanded performance capabilities to engineers in the space design community,” said Mont Taylor, VP of Business Development at Teledyne e2v HiRel. “It too is an all-in-one, monolithic device that delivers a more reliable and robust power protection solution when compared to discrete GaAs PIN diode circuits with multiple external components, which is the traditional alternative solution in the industry.”
This power limiter delivers low insertion loss and high linearity under non-limiting power levels and extremely fast response time in a limiting event, ensuring protection of sensitive circuitry. Manufactured on the UltraCMOS® process, an advanced form of SOI technology, the TDLM06100 is available in a leadless, ultra-small, 4×4 mm, hermetic, QFN package. Fully screened for space applications, it provides reliable protection for sensitive transceivers, with a response time of <1 ns.
Using the traditional alternative industry solution, the input signal with a PIN diode is shunted to ground. PIN diodes are known for their high maximum power handling and low insertion loss. However, they also feature slow response and recovery time, poor linearity, low ESD ratings, and require dc blocking capacitors. Additionally, PIN diodes take a significant amount of time to design and validate and cannot be easily integrated into a system.
In contrast to PIN diodes, the TDLM06100 power limiter provides a 10–100x improvement in response and recovery time, deliver a greater than 10–30 dB linearity (IIP3) improvement and offer a 20x improvement in ESD protection. Finally, the limiting threshold can be adjusted through a high impedance voltage control pin (VCTRL), eliminating the need for external components such as dc blocking capacitors, RF choke inductors and bias resistors.
UltraCMOS is registered trademark of pSemi Corporation, a Murata company.
ABOUT TELEDYNE E2V HIREL ELECTRONICS
Teledyne e2v innovations lead developments in space, transportation, defense, and industrial markets. Teledyne e2v’s unique approach involves listening to the market and application challenges of customers and partnering with them to provide innovative standard, semi-custom or fully-custom solutions, bringing increased value to their systems. For more information, visit http://www.tdehirel.com.
ABOUT TELEDYNE DEFENSE ELECTRONICS
Serving Defense, Space and Commercial sectors worldwide, Teledyne Defense Electronics offers a comprehensive portfolio of highly engineered solutions that meet your most demanding requirements in the harshest environments. Manufacturing both custom and off-the-shelf product offerings, our diverse product lines meet emerging needs for key applications for avionics, energetics, electronic warfare, missiles, radar, satcom, space, and test and measurement. www.teledynedefelec.com. TDE is a business unit of Teledyne Technologies, Inc., a leading provider of sophisticated instrumentation, digital imaging products and software, aerospace and defense electronics, and engineered systems. www.teledyne.com.