Posted on February 24, 2018 at 20:30Hello,I've been working with the ST25RU3993 on a user board design and have not yet been successful in getting the PLL to lock. I've tried to set the VCO range both manually and with the auto command. I've trie...
Posted on March 06, 2018 at 17:57The issue was a bad solder joint/connection to the VDD_A pin. Once the connection to the de-coupling capacitors was established the PLL locked and the VCO auto-range command was successful. With a good connection t...
