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RF Variable Attenuator by Peregrine Semiconductor (9 more products)

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The PE43711 from Peregrine Semiconductor is a glitch-less digital step attenuator that operates from 9 kHZ to 6 GHz. This DSA has been designed for wireless-infrastructure devices, land-mobile-radio (LMR) applications and point-to-point communication systems. The attenuator has an attenuation range from 0 dB to 31.75 dB with a 1 dB step resolution and can handle up to 23 dBm of power. It has an insertion loss under 2.8 dB and maintains 0.25 dB monotonicity through 4 GHz, 0.5 dB monotonicity through 5 GHz and 1 dB monotonicity through 6 GHz. It is available in 24L QFN package and measures 4 x 4 mm. When switching attenuation states with a DSA, there is a brief or transient spike in output power. This glitch, if left alone, could lead to degraded signal quality and possible damage to power amplifier sub-assemblies. To minimize this glitch, engineers deploy a software or firmware workaround that reduces the effect of this transient spike. With Peregrine's new glitch-less DSAs, this output power glitch is significantly reduced to less than 0.3 dB, enabling customers to decrease their engineering overhead and prevent damage to expensive sub-assemblies.

Product Specifications

  • Part Number
  • Manufacturer
    Peregrine Semiconductor
  • Description
    9 kHz to 6 GHz Glitch-Less 7-Bit Digital Step Attenuator
  • Type
  • Application Standards
    3G, 4G, Point-to-Point
  • Applications
    Wireless Infrastructure
  • Frequency
    9 kHz to 6 GHz
  • Bits
    7 Bit
  • Channels
    1 Channel
  • Attenuation Range
    0 to 31.5 dB
  • Attenuation Step
    0.25 to 1 dB
  • Power
    501 W, (57 dBm)
  • IIP3
    57 dBm
  • Insertion Loss
    1.3 to 2.4 dB
  • Supply Voltage
    2.3 to 5.5 V
  • Interface
  • Current
    150 to 200 uA
  • Impedance
    50 Ohms
  • Package Type
  • Package
    24-lead, 4 x 4 mm QFN
  • Operating Temperature
    -40 to 105 Degree C
  • Grade
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