Power limiter delivers reliable, repeatable protection

electronicspecifier | Posted: 23 Aug 2017, 11:39

Availability and full design support capabilities for a power limiter from Peregrine Semiconductor have been announced by Richardson RFPD. The UltraCMOS PE45361 builds on the success of Peregrine's 50-watt UltraCMOS power limiters and adds higher pulsed power handling, a lower limiting threshold and positive threshold control.
Power limiter delivers reliable, repeatable protection
 
The device delivers reliable and repeatable power protection to sensitive low-noise receivers for test and measurement equipment and wireless infrastructure transceivers. 
 
Unlike traditional PIN diode solutions, the PE45361 achieves an adjustable input 1 dB compression point or limiting threshold via a low current control voltage (VCTRL), eliminating the need for external bias components such as DC blocking capacitors, RF choke Inductors and bias resistors. 
 
The 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.
 
It also offers excellent ESD rating and ESD protection. 
 
The PE45361 is manufactured on Peregrine’s UltraCMOS process, a patented advanced form of silicon-on-insulator (SOI) technology, offering the performance of GaAs with the economy and integration of conventional CMOS. 
 
Additional key features include adjustable low power limiting threshold from +7dBm to +13dBm, maximum power handling of +50 dBm, 100W pulsed, and a response time of < 1ns.
 
The device comes in a 12-lead, 3mm x 3mm x 0.5mm QFN package.

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