I am designing a bioimplantable circuit for a biomedical implant. The goal is to have an extremely tiny device in a flexible substrate (Dupont Pyralux) that must be powered wirelessly.
My problem comes here. I do not have much knowledge about antennas. I have been told to design an antenna that must work at 13.56 MHz. I am following the design of John Rogers (page 5, figure 2,b), Implantable, wireless device platforms for neuroscience research.
Then I have some doubts about the design that I would like to receive some feedback about it.
- How would you design a PCB antenna with that operating frequency (13.56 MHz)?
- How would you address this problem? I need a primary and secondary coils working in that frequency.
I use Eagle but I don't know how to design, for example, a loop antenna in that software. If you recommend to me any other software for designing the antenna, simulating it and attaching it to my circuit, it would be great.