A modular, flexible, open-source hardware configuration for parallel transmission (pTx) experiments on RF and medical implant safety. The hardware comprises a home-built 8-channel pTx system (scalable to 32-channels), wideband power amplifiers and a positioning system with submillimeter precision.
A modular, flexible, open-source hardware configuration for parallel transmission (pTx) experiments on RF and medical implant safety. The hardware comprises a home-built 8-channel pTx system (scalable to 32-channels), wideband power amplifiers and a positioning system with submillimeter precision.
## Specifications
## Specifications
- 8-channel transmit RF chain 21-300 MHz (scalable to 32-channels)
- 8-channel transmit RF chain 21-300 MHz (scalable to 32-channels)
- 4-channel receiver (scalable to 32-channels)
- 4-channel receiver (scalable to 32-channels)
- Broadband power amplifiers, 20W continuous wave (20-1000 MHz)
- Broadband power amplifiers, 20W continuous wave (20-1000 MHz)
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Frank Seifert | frank.seifert@ptb.de | Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany | pTx and implant safety
| Frank Seifert | frank.seifert@ptb.de | Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany | pTx and implant safety |
Lukas Winter | lukas.winter@ptb.de | Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany | pTx and implant safety, open source hardware distribution
| Lukas Winter | lukas.winter@ptb.de | Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany | pTx and implant safety, open source hardware distribution |
## Contributors (alphabetical order)
## Contributors (alphabetical order)
Werner Hoffmann, Bernd Ittermann, Reiner Montag, Johannes Petzold, Harald Pfeiffer, Reiner Seemann, Frank Seifert, Berk Silemek, Lukas Winter
Werner Hoffmann, Bernd Ittermann, Reiner Montag, Johannes Petzold, Harald Pfeiffer, Reiner Seemann, Frank Seifert, Berk Silemek, Lukas Winter
## Publications
## Publications
If you find this useful in your work, please cite:
If you find this useful in your work, please cite:
[Winter L, Silemek B, Petzold J, et al. Parallel transmission medical implant safety testbed: Real-time mitigation of RF induced tip heating using time-domain E-field sensors. Magnetic Resonance in Medicine 2020;84:3468–3484 doi: 10.1002/mrm.28379.](https://onlinelibrary.wiley.com/doi/full/10.1002/mrm.28379)
[Winter L, Silemek B, Petzold J, et al. Parallel transmission medical implant safety testbed: Real-time mitigation of RF induced tip heating using time-domain E-field sensors. Magnetic Resonance in Medicine 2020;84:3468–3484 doi: 10.1002/mrm.28379.](https://onlinelibrary.wiley.com/doi/full/10.1002/mrm.28379)
## Acknowledgments
## Acknowledgments
This work was funded by the EMPIR grant 17IND01 MIMAS. The EMPIR initiative is co-funded by the European Union's Horizon 2020 research and innovation program and the EMPIR participating states.
This work was funded by the EMPIR grant 17IND01 MIMAS. The EMPIR initiative is co-funded by the European Union's Horizon 2020 research and innovation program and the EMPIR participating states.
This work has received funding from the European Partnership on Metrology, co-financed by the European Union’s Horizon Europe Research and Innovation Programme and by the Participating States, under grant number 21NRM05 STASIS.
This work has received funding from the European Partnership on Metrology, co-financed by the European Union’s Horizon Europe Research and Innovation Programme and by the Participating States, under grant number 21NRM05 STASIS.
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This work is supported by the Open Source Imaging Initiative (OSI²), https://www.opensourceimaging.org/ (we can post here later the link, when we upload it to OSI)
This work is supported by the Open Source Imaging Initiative (OSI²), https://www.opensourceimaging.org/ (we can post here later the link, when we upload it to OSI)
