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STMicroelectronics BALFHB-WL-xxD3 Input/Conjugate Matched Balun

STMicroelectronics BALFHB-WL-xxD3 Input/Conjugate Matched Balun is an ultra-miniature balun. This device integrates a matching network, balun, and harmonics filter. Matching impedance has been customized for the STM32WL sub-GHz wireless microcontrollers. It uses STMicroelectronics IPD technology on a nonconductive glass substrate, which optimizes RF performances.

Features

  • STM32WL sub-GHz wireless microcontrollers impedance matched balun and Tx harmonics filter
    • For BGA package (BALFHB-WL-01D3, and BALFHB-WL-04D3)
    • For QFN package (BALFHB-WL-02D3, BALFHB-WL-03D3, BALFHB-WL-05D3, and BALFHB-WL-06D3) 
  • Optimized for BGA or QFN package STM32WL sub-GHz wireless microcontrollers in high power mode and dedicated to 2- or 4-layer PCB
  • 50Ω nominal impedance on antenna side Tx and Rx
  • 50Ω nominal input/conjugate matched balun to BGA or QFN package STM32WL
  • Deep Tx rejection harmonic filter
  • Low insertion loss
  • Small footprint
  • Low profile ≤ 630μm after reflow
  • High RF performance
  • RF BOM and area reduction
  • ECOPACK2 compliant component

Applications

  • STM32WL sub-GHz wireless microcontrollers
  • LPWAN-compliant radio solution, enabling the following modulations: LoRa®, (G)FSK, (G)MSK, and BPSK

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STMicroelectronics BALFHB-WL-xxD3 Input/Conjugate Matched Balun