BALFHB-WL-05D3
BALFHB-WL-05D3 is ultra-miniature balun manufactured by STMicroelectronics.
Features
- QFN STM32WL sub-GHz wireless microcontrollers impedance matched balun and Tx harmonics filter
- Optimized for QFN STM32WL sub-GHz wireless microcontrollers in low power mode and dedicated to 4-layers PCB
- 50 Ω nominal input / conjugate matched balun to QFN STM32WL
- 50 Ω nominal impedance on antenna side Tx and Rx
- Deep Tx rejection harmonic filter
- Low insertion loss
- Small footprint
- Low profile ≤ 630 μm after reflow
- High RF performance
- RF BOM and area reduction
- ECOPACK2 pliant ponent
Applications
- STM32WL sub-GHz wireless microcontrollers
- LPWAN-pliant radio solution, enabling the following modulations: Lo Ra®,
(G)FSK, (G)MSK, and BPSK
Description
STMicroelectronics BALFHB-WL-05D3 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 is using STMicroelectronics IPD technology on a nonconductive glass substrate, which optimizes RF performances.
DS14104
- Rev 2
- December 2022 For further information contact your local STMicroelectronics sales office.
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Characteristics
Characteristics
Table 1. Absolute maximum ratings (Tamb = 25 °C)
Symbol Parameter
PIN Input power RFIN
VESD
ESD ratings human body model (JESD22-A114), all I/O one at a time while others connected to GND
ESD ratings machine model, all I/O
TOP Operating temperature
Value 27
Unit d Bm
2000 V
-40 to +105 °C
Table 2. Impedances (Tamb = 25 °C)
Symbol
Parameter...