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CHT4690-QAG/20 - UMS

Description: 5-30Ghz Attenuator - Variable Voltage

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CHT4690-QAG/20 - UMS - PCB symbol
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PCB Footprints
CHT4690-QAG/20 - UMS PCB footprint - Other - Other - CHT4690-QAG/20-6
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3D Models
CHT4690-QAG/20 - UMS - 3D model - Other - CHT4690-QAG/20-6
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CHT4690-QAG/20 Details

  • Manufacturer Part Number:

    CHT4690-QAG/20

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Contact Manufacturer

  • ECCN Code:

    EAR99

  • Manufacturer:

    United Monolithic Semiconductors

  • Attenuation-Nom:

    30 dB

  • Construction:

    COMPONENT

  • Input Power-Max (CW):

    25 dBm

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    16

  • Operating Frequency-Max:

    30000 MHz

  • Operating Frequency-Min:

    5000 MHz

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Equivalence Code:

    LCC16,.14SQ,20

  • RF/Microwave Device Type:

    VARIABLE ATTENUATOR

  • Surface Mount:

    YES

  • Technology:

    GAAS

  • VSWR-Max:

    2.5

CHT4690-QAG/20 Frequently Asked Questions (FAQs)

  • A good PCB layout for the CHT4690-QAG/20 involves keeping the input and output traces short and separate, using a solid ground plane, and placing bypass capacitors close to the device. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure proper biasing, follow the recommended biasing circuit in the datasheet, and make sure the voltage supply is stable and within the recommended range. Also, ensure that the input and output impedances are matched to the device's impedance.
  • The CHT4690-QAG/20 is rated for operation from -40°C to +85°C. However, it's recommended to derate the device's performance at higher temperatures to ensure reliability and longevity.
  • While the CHT4690-QAG/20 is designed for 50 ohm systems, it can be used in non-50 ohm systems with proper impedance matching. However, this may require additional circuitry and may affect the device's performance.
  • The CHT4690-QAG/20 is sensitive to ESD damage. It's recommended to use ESD protection devices, such as diodes or TVS diodes, on the input and output lines to prevent damage from electrostatic discharge.

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CHT4690-QAG/20 Overview

Use the download button to access the CHT4690-QAG/20 schematic symbol, PCB footprint, and 3D model.
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