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- Part Number CMD298C4
- Manufacturer Qorvo
- Pin Count 25
- Part Category Integrated Circuit
- Package Category Other
- Footprint Name Other - Ceramic QFN 4x4 mm x 24 leads
- Released Date Feb 24, 2025
- Last Modified Date Feb 24, 2025 6:06 PM UTC
- Pinout / Pin List Click Here (Member Only)
CMD298C4 Details
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Manufacturer Part Number:
CMD298C4
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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Package Description:
QFN-24
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ECCN Code:
EAR99
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Factory Lead Time:
22 Weeks
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Manufacturer:
Qorvo
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YTEOL:
8
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Characteristic Impedance:
50 Ω
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Construction:
COMPONENT
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Gain:
22 dB
CMD298C4 Frequently Asked Questions (FAQs)
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A 4-layer PCB with a solid ground plane and a separate power plane is recommended. The device should be placed near the edge of the board to minimize the distance to the antenna. A 50-ohm microstrip line should be used to connect the device to the antenna.
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The optimal bias point for maximum power efficiency is typically around 3.5V to 4.5V. The bias current should be set to around 200-300 mA. The device should be operated in a Class-AB mode to achieve the best trade-off between power efficiency and linearity.
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A simple L-match or pi-match network can be used to match the device to a 50-ohm load. The values of the matching components will depend on the specific application and frequency of operation. A network analyzer can be used to optimize the matching network for maximum power transfer.
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The device should be mounted on a heat sink or a thermal pad to dissipate heat. The PCB should be designed to provide good thermal conductivity. The device should be operated at a temperature range of -40°C to 85°C for optimal performance and reliability.
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The input impedance should be 50 ohms, and the output impedance should be 50 ohms or lower to ensure maximum power transfer. The device can be operated with a mismatched load, but this may affect the power efficiency and linearity.
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CMD298C4 Overview
Use the download button to access the CMD298C4 schematic symbol, PCB footprint, and 3D model.
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About Qorvo
Qorvo is a prominent American semiconductor company that specializes in the design and manufacturing of radio frequency (RF) solutions. The company was formed in 2015 through the merger of TriQuint Semiconductor and RF Micro Devices. Qorvo's product portfolio encompasses a wide range of RF components and semiconductor technologies used in various applications, including wireless communications, aerospace and defense, and IoT (Internet of Things) devices.