STMicroelectronics – Miniature balun ideal for use with Bluetooth radios

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STMicroelectronics’ BALF-NRG-01D3 is a miniature balun which integrates a matching network and harmonics filter into its 1.4mm x 0.85mm package. The matching impedance has been set for use with ST’s BlueNRG-MS Bluetooth® Low Energy network processor.

The device uses ST’s Integrated Passive Device (IPD) technology on non-conductive glass substrate, a design which optimises RF performance. It supports operation at a frequency range of 2.4GHz to 2.5GHz.

ST also supplies the BAL-CC1101-01D3, a miniature balun for the CC1101 and CC1150 transceivers.

FEATURES

  • 50Ω nominal input/conjugate match to BlueNRG-MS device
  • -1.1dB insertion loss
  • 0.5dB output-amplitude imbalance
  • 7° output-phase imbalance
  • Operating-temperature range: -40°C to 105°C
  • 2kV ESD tolerance on the human body model

APPLICATIONS

  • Watches
  • Fitness, wellness and sports equipment
  • Consumer medical equipment
  • Security devices
  • Remote controls
  • Home and industrial automation
  • Assisted living
  • Mobile phone peripherals
  • PC peripherals

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