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QAT-3+ - Mini-Circuits

Description: Attenuators 3 db SMT Fixed Attenuator, DC - 50000 MHz, 50 OHM

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Symbol
QAT-3+ - Mini-Circuits - PCB symbol
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PCB Footprints
QAT-3+ - Mini-Circuits PCB footprint - Small Outline No-lead - Small Outline No-lead - 6 lead qfn
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3D Models
QAT-3+ - Mini-Circuits - 3D model - Small Outline No-lead - 6 lead qfn
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QAT-3+ Details

  • Manufacturer Part Number:

    QAT-3+

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • Manufacturer:

    Mini-Circuits

  • YTEOL:

    8

  • Attenuation-Nom:

    3 dB

  • Characteristic Impedance:

    50 Ω

  • Construction:

    COMPONENT

  • Input Power-Max (CW):

    33.01 dBm

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    6

  • Operating Frequency-Max:

    50000 MHz

  • RF/Microwave Device Type:

    FIXED ATTENUATOR

  • Surface Mount:

    YES

  • VSWR-Max:

    1.37

QAT-3+ Frequently Asked Questions (FAQs)

  • A good PCB layout and grounding scheme is crucial for optimal performance. Mini-Circuits recommends a multi-layer PCB with a solid ground plane, and to keep the signal traces as short as possible. Also, it's essential to connect the QAT-3+ ground pins to the PCB ground plane using vias.
  • To ensure proper biasing, make sure to follow the recommended biasing circuit in the datasheet. Also, ensure that the voltage supply is clean and regulated, and that the bias resistors are of high quality and low tolerance.
  • The QAT-3+ can handle up to 1W of input power, but it's recommended to derate the power handling to 0.5W or less to ensure reliable operation and to prevent overheating.
  • To troubleshoot common issues, start by checking the PCB layout and grounding scheme. Ensure that the QAT-3+ is properly biased and that the input and output impedances are matched. Also, check for any signs of overheating or damage to the device.
  • Yes, the QAT-3+ can be used in a push-pull configuration, but it's essential to ensure that the two devices are properly matched and biased. Also, make sure to follow the recommended layout and grounding scheme to minimize any potential issues.

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QAT-3+ Overview

Use the download button to access the QAT-3+ schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like QAT-3, or try a keyword search, such as RF/Microwave Attenuators

About Mini-Circuits

Mini-Circuits is a global leader in the design, manufacturing, and distribution of RF and microwave components and systems. The company's product portfolio includes a vast array of components such as amplifiers, mixers, splitters, couplers, filters, switches, and attenuators, among others. These components cover frequency ranges from DC to 65 GHz and beyond, serving applications in wireless communication, satellite communication, radar systems, test and measurement equipment, medical devices, and more.

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