PE45140 Power Limiter, 20 MHz–2 GHz

    SG$ 8.69 SG$ 8.69 8.689300000000001 SGD

    US$ 6.44

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    2 GHz 50W Power Limiter

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    pSemi Corporation is a Murata company driving semiconductor integration. pSemi builds on Peregrine Semiconductor’s 30-year legacy of technology advancements and strong IP portfolio but with a new mission—to enhance Murata’s world-class capabilities with high-performance semiconductors. With a strong foundation in RF integration, pSemi’s product portfolio now spans power management, connected sensors, optical transceivers, antenna tuning and RF frontends. These intelligent and efficient semiconductors enable advanced modules for smartphones, base stations, personal computers, electric vehicles, data centers, IoT devices and healthcare.



    The PE45140 is a HaRP™ technology-enhanced RF power limiter designed for use in tactical and military communications receivers, land-mobile-radio (LMR) and other high-performance power limiting applications. This power limiter has symmetric RF ports that limit incident power up to 50W pulsed in both biased and unbiased conditions. It provides an extremely fast limiting response to undesired high power signals while delivering low insertion loss and high linearity under safe operating power levels.

    Unlike traditional PIN diode solutions, the limiting threshold can be adjusted through a low current control voltage (VCTRL), eliminating the need for external components such as DC blocking capacitors, RF choke inductors and bias resistors.


        Monolithic drop-in solution with no external components required
        Adjustable power limiting threshold from +22 dBm to +32 dBm
        Max power handling
        Superior ESD rating and ESD protection
        Unbiased power limiting operation
        Fast response and recovery time of 1 ns
        Dual-mode operation
        Packaging: 12-lead 3 × 3 mm QFN
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