liletian wrote on Mar 29th, 2018, 7:04pm:why the oscillator phase noise flat out when it is far away from the center frequency instead of 1/f^2?
Does anyone has a good explanation?
Thanks,
If you were to measure the VCO output directly you would only see a -20dBc/dec clope with no thermal noise floor. However in reality the output can only be measured after going through some buffers/IO circuittry and its thermal noise dominates at large frequency offsets.