On Sat, Nov 2, 2019 at 06:39 PM, Oristo wrote:
FWIW, by setting 'threshold 330000000',
my nanoVNA gets crazy
but no PLL icon
With thershold more than 300 MHz si5351 will use wrong frequency.
Hardware works ok, so there is no PLL icon, but it uses wrong frequencies, so it won't works properly.
Some invalid thereshold values you may hung your si5351 chip and it will needs power off in order to restore normal functions.