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PE4314B-Z - Peregrine Semiconductor

Description: Attenuators 75O 6Bit 31.5dB 0.5dB Digital Step Attenuator, optional ext. Vss

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Symbol
PE4314B-Z - Peregrine Semiconductor - PCB symbol
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PCB Footprints
PE4314B-Z - Peregrine Semiconductor PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 20-lead 4 × 4 mm QFN
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3D Models
PE4314B-Z - Peregrine Semiconductor - 3D model - Quad Flat No-Lead - 20-lead 4 × 4 mm QFN
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PE4314B-Z Details

  • Manufacturer Part Number:

    PE4314B-Z

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-20

  • Manufacturer:

    pSemi

  • YTEOL:

    6.8

  • Additional Feature:

    I/P POWER-MAX(PULSE)=0.5W

  • Attenuation-Nom:

    31.5 dB

  • Characteristic Impedance:

    75 Ω

  • Construction:

    COMPONENT

  • Input Power-Max (CW):

    23.98 dBm

  • Insertion Loss-Max:

    1.9 dB

  • JESD-609 Code:

    e4

  • Operating Frequency-Max:

    2500 MHz

  • Operating Frequency-Min:

    1 MHz

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • RF/Microwave Device Type:

    VARIABLE ATTENUATOR

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

PE4314B-Z Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a thermal pad connected to a heat sink is recommended. Ensure a low-ESR capacitor is placed close to the device for optimal decoupling.
  • Bias the device with a low-noise voltage source, and ensure the input signal is within the recommended range. A bias-T or a DC-block capacitor can be used to isolate the DC bias from the RF signal.
  • A conjugate match is recommended for optimal performance. Use a pi-network or a T-network with high-Q components to achieve a good match. Simulation tools like ADS or AWR can be used to optimize the matching network.
  • Use a low-noise voltage regulator, ensure a low-impedance power supply, and minimize the distance between the device and the bypass capacitors. A noise-reducing circuit like a pi-filter can also be used.
  • The maximum safe operating temperature is 85°C. Ensure proper thermal management and heat sinking to prevent overheating, which can affect device reliability and performance.

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PE4314B-Z Overview

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