Hi Travis,many thanks for Your reply.I checked it again, the plots I posted were measured at an official EMC facility, with $$$ calibrated equipment. We did a 3-point calibration just before the measurement, at the end of the cable, which was then co...

Hello Travis,many thanks for Your reply.The question with the insufficient energy at the power receiver is nearly solved. This must be caused to the sub-optimal SW configuration of the initiator. If I change to other screen in the GUI, the voltage at...

Hello,I'm a colleague of Kai, we work together on this NFC project.We did several comparison measurements. In particular, we measured the antenna of the ST25R3911B-DISCO with and without matching network. Not only with our VNA, but also with a higher...