Baluns use ST’s process integrating high-quality RF passive components on a single glass substrate. As well as balanced/unbalanced conversion, they can also integrate a matching network in a footprint smaller than 1 mm² for the complete function.
Our wide range of integrated baluns includes companion-chips to ST’s latest transceivers, such as:
- the BALF-NRG-02D3 and BALF-NRG-02J5 tailored for our Bluetooth® low energy 2.4GHz radios – BlueNRG-1 and new BlueNRG-2 – in a 1.2 mm² footprint
- the BALF-SPI2-01D3 (868-927 MHz) and the new BALF-SPI2-02D3 (433-470 MHz) , designed to be used with S2-LP, ST's sub-1GHz RF transceiver.
The BALF-SPI2-01D3 is particularly tailored for Sigfox wireless connectivity.
Both these – as well as other baluns designed for various transceivers from other manufacturers – significantly help reduce RF complexity and provide an optimized link budget.
Other available baluns include the BAL-UWB-01E3 optimized for the UWB DW1000 RF IC from Decawave and the BALF-NRF01D3, BALF-NRF01E3, BALF-NRF01J5 and BAL-NRF02D3 series optimized for the flavour of Nordic Semi BLE RF ICs.
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BALF-NRG-02J5
50 Ω ultra thin balun with integrated harmonic filter / conjugate match balun to ST BLUENRG134
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BALF-SPI2-01D3
50 Ω nominal input / conjugate match balun to S2-LP,868 - 930 MHz with integrated harmonic filter
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BALF-SPI2-02D3
50 Ω nominal input / conjugate match balun to S2-LP, 433 - 470 MHz with integrated harmonic filter
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BALF-NRF01J5
50 Ω ultra thin balun with integrated harmonic filter
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BAL-WILC10-01D3
50 Ω / Conjugate match to WILC1000 Transformer Balun
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BALF-NRG-02D3
50Ω / conjugate match balun to BlueNRG transceiver, with integrated harmonic filter
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BALF-ATM-01E3
50 ohms / matched to ATSAMR21E18 balun transformer, with integrated harmonic filter
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BALF-NRF01E3
50Ω nominal input / conjugate match balun to nRF51x22-QFAA, nRF51x22-QFAC, nRF51822-QFABBx and nRF51422-QFABAx with integrated filter
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BALF-CC25-02D3
50Ω / conjugate match to CC2541
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BALF-CC26-05D3
50 Ω / conjugate match to CC2610, CC2620, CC2630, CC2640 and CC2650
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BALF-NRG-01D3
50Ω nominal input / conjugate match balun to BlueNRG transceiver, with integrated harmonic filter
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BAL-UWB-01E3
50Ω to 100Ω balun for UWB 3GHz to 8GHz
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BAL-CC1101-01D3
50Ω nominal input / conjugate match balun to CC1101, with integrated harmonic filter
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BALF-112X-02D3
50Ω / conjugate match to CC1120, CC1125 433MHz Balun Transformer & Integrated Filtering
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BALF-SPI-02D3
50Ω / Conjugate match to SPIRIT1 433MHz Balun Transformer & Integrated Filtering
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BALF-2690-02D3
50Ω nominal input / conjugate match balun to STLC2690, with integrated harmonic filter
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BALF-112X-01D3
50Ω / conjugate match to CC1120, CC1125 868MHz & 915MHz Balun Transformer & Integrated Filtering
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BALF-NRF01D3
50 Ω nominal input / conjugate match balun to nRF51822-QFAAG0,\rnRF51822-QFAB0, nRF51422-QFAAE0 / integrated harmonic filter
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BALF-SPI-01D3
50Ω nominal input / conjugate match balun to SPIRIT1, with integrated harmonic filter
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BAL-CC25-01D3
50Ω nominal input / conjugate match balun to CC253x, CC254x, CC257x, CC852x, CC853x, with integrated harmonic filter
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BAL-NRF01D3
50Ω nominal input / conjugate match balun to nRF24LE1 & nRF51822-QFAA, with integrated harmonic filter
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BAL-NRF02D3
50Ω nominal input / conjugate match balun to nRF51822-CEAA, with integrated harmonic filter
