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We want to operate use STM32WLE4 at 155Mhz QFN. As per Application Note - If the impedance value for the user application is not provided,contact the ST local sales office. Will local ST FAE would help us get Impedance Values for our requirement?

gada
Associate III

If we want to calculate the Impedance on our own On Nucleo JC2 Board (We do have access to Spectrum Analyzer, VNA, etc)

  1. what type of hardware setup would be required to measure the impedance?
  2. Do we need to measure impedance on RFO_LP GND Pins?
  3. On firmware side can we use the Subghz PER code or any other software?

Regards

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