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
- 8-channel transmit RF chain 21-300 MHz (scalable to 32-channels)
- 4-channel receiver (scalable to 32-channels)
- 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 |
| Lukas Winter | lukas.winter@ptb.de | Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany | pTx and implant safety, open source hardware distribution |
## Contributors (alphabetical order)
Werner Hoffmann, Bernd Ittermann, Reiner Montag, Johannes Petzold, Harald Pfeiffer, Reiner Seemann, Frank Seifert, Berk Silemek, Lukas Winter
## Publications
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)
## 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 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)
