Hi Peter,
Thanks for your kind comments, and I hope you enjoy your new K2.
Indeed, I noticed that at less than 5 KHz/dbc your VCXO+DAC>varicaps
approach show less oscillator noise than the famous AOR7030 design (
the7030Plus should be even bit better ).
However, after 15 KHz/dBc the AOR 7030 graph claims a 10 dB better
phase
noise.
This is because the AOR data was taken in receive mode. The K2 phase
noise data is from a transmit composite noise test. In transmit mode
the noise floor is affected by a number of other factors, and the noise
is generally worse than on receive.
73,
Wayne
N6KR
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