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loich · 2025-02-05

Hi,I use the component ST25R3911B. I'm able to tune some antennas, no issues.But, now I have to use some RF switches to drive several antennas. Unfortunaly the RF switches have a resistor Ron and this drops the output power of the RF reader. The tuni...

loich · 2025-02-05

OK, my analysis is not completely accuracy.To use the RF switch, which does not accept a signal with a bias, I use a serial capacitor to remove the bias.I use 100nF in serial, after the EMC filter. This is the cause of the power divided by 2. It seem...

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Max power on ST25R3911B

Re: Max power on ST25R3911B