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STPTIC-47G2：4p7 Tunable capacitor

The ST integrated tunable capacitor offers excellent RF performance, low power consumption and high linearity required in adaptive RF tuning applications. The fundamental building block of PTIC is a tunable material called Parascan™, which is a version of barium strontium titanate (BST) developed by Paratek Microwave.

BST capacitors are tunable capacitors intended for use in mobile phone application and dedicated to RF tunable applications. These tunable capacitors are controlled through an extended bias voltage ranging from 1 to 24 V. The implementation of BST tunable capacitor in mobile phones enables significant improvement in terms of radiated performance making the performance almost insensitive to the external environment.

Key Features

• High power capability
• 5:1 tuning range
• High linearity
• High quality factor (Q)
• Low leakage current
• Compatible with high voltage control IC (STHVDAC series)
• Available in wafer level chip scale package:
  • WLCSP package 0.61 x 0.66 x 0.3 mm
• ECOPACK® 2 compliant component
• Benefit
  • RF tunable passive implementation in mobile phones to optimize antenna radiated performance

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Technical Notes & Articles

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