deepsetan
Advanced Member level 4
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Hi guys,
I've problem in calculating the phase noise of my 2.4-GHz local oscillator for my receiver. In LTSPICE simulation, the phase noise generated is in V/(Hz)^1/2. How to convert V/Hz to dBc/(Hz)^1/2. I don't found any enough information for this conversion. I try to use 20*log (Vn/Vc) where Vn and Vc is voltage at offset frequency and carrier frequency but I think there is something wrong. This is my phase noise simulation.
Vc = 85.8408pV/(Hz)^1/2 at 2.4-GHz
Vn = 85.8409pV/(Hz)^1/2 at 2.401-GHz for 1-MHz offset frequency
I've problem in calculating the phase noise of my 2.4-GHz local oscillator for my receiver. In LTSPICE simulation, the phase noise generated is in V/(Hz)^1/2. How to convert V/Hz to dBc/(Hz)^1/2. I don't found any enough information for this conversion. I try to use 20*log (Vn/Vc) where Vn and Vc is voltage at offset frequency and carrier frequency but I think there is something wrong. This is my phase noise simulation.
Vc = 85.8408pV/(Hz)^1/2 at 2.4-GHz
Vn = 85.8409pV/(Hz)^1/2 at 2.401-GHz for 1-MHz offset frequency