PE43205 Digital Step Attenuator

    SG$ 3.11 SG$ 3.11 3.11 SGD

    US$ 2.23

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    50Ω 2Bit 18.0dB 6.0dB Digital Step Attenuator

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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 PE43205 is a 50Ω, HaRP™ technology-enhanced fast switching 2-bit RF digital step attenuator (DSA) designed for use in 3G/4G wireless infrastructure and other high-performance RF applications.

    This DSA is a pin-compatible upgraded version of the PE43204 with a wider frequency and power supply range, and extended operating temperature range.

    Covering an 18 dB attenuation range in 6 dB and 12 dB steps, it maintains high RF performance and low power consumption from 35 MHz through 6 GHz. PE43205 is offered in a 12-lead 3 × 3 mm QFN package. In addition, no external blocking capacitors are required if 0 VDC is present on the RF ports


        Attenuation: 6 dB/12 dB steps to 18 dB
        Fast switching time of 29 ns
        Low attenuation error
        High linearity
        Wide supply range of 2.3V to 5.5V
        1.8V control logic-compatible
        105°C operating temperature
        ESD performance
        Parallel control
        Package—12-lead 3x3 mm QFN
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