Jul 24, 2007 #1 Y Youncen Member level 2 Joined Oct 30, 2005 Messages 50 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Activity points 1,637 the simulation just tell me the noise out/noise in=nf and added noise, but when I change the source impedance and temperature all of the three noise also changed,can anybody tell me based on what the noise data are given out especially noise in.
the simulation just tell me the noise out/noise in=nf and added noise, but when I change the source impedance and temperature all of the three noise also changed,can anybody tell me based on what the noise data are given out especially noise in.
Jul 24, 2007 #2 P psmon Full Member level 3 Joined Jun 4, 2007 Messages 163 Helped 20 Reputation 40 Reaction score 4 Trophy points 1,298 Activity points 1,907 50 ohms for measurement. The noise temperature is determined by IEEE and shouldn't be changed.
Jul 26, 2007 #3 G Grig Full Member level 4 Joined Sep 3, 2004 Messages 220 Helped 36 Reputation 72 Reaction score 12 Trophy points 1,298 Activity points 1,469 Hi NF is dependent on source impedance and temperature by the definition There is IEEE standart for temperature (16.85C)
Hi NF is dependent on source impedance and temperature by the definition There is IEEE standart for temperature (16.85C)