[time-nuts] Oscillator for LTC6948 Ultralow Noise 0.37GHz to 6.39GHz

[Mike Monett]

Looking for info on the oscillator for the LTC6948 Ultralow Noise 0.37GHz
to 6.39GHz 

https://www.analog.com/en/products/ltc6948.html?ADICID=SYND_WW_P682800_PF-octopart#product-overview

1. Is it considered "low noise"

2. How does it achieve low noise

Thanks

Mike