I wanted to know how to derive the expression for the Noise Figure (NF) equation of Low Noise Amplifier (LNA).
I have taken diagrams of equivalent circuits of a low noise amplifier and also derivations of Noise Figures of Low Noise Amplifier (LNA) from other research papers. They have directly given equations of noise figures, but I am not able to understand the in between steps of the noise figure of derived equations of low noise amplifier. Can you help me to understand derived equations shown in the below links?
The first two links give information about capacitive shunt feedback low noise amplifier noise equivalent diagram and its noise figure derived equation.
Next third and fourth links give information about power constrained simultaneous noise and impedance matching noise equivalent diagram and derived equation of noise figure of PCSNIM LNA.
1) https://drive.google.com/file/d/0BwF-am-wbq-XZnljQ3pTbHNTTlU/view?usp=sharing
2) https://drive.google.com/file/d/0BwF-am-wbq-XWjNzODZPQ2JrNzQ/view?usp=sharing
3) https://drive.google.com/file/d/0BwF-am-wbq-XOW1oQ3ExRm5EaUk/view?usp=sharing
4) https://drive.google.com/file/d/0BwF-am-wbq-XRUxSZWVrM2RHdEk/view?usp=sharing
Whatever the derived equations shown in the link documents, they have written directly. They didn't explain, how equations have come.
Please can you somebody give input to understand the derived equation of Noise Figure. If you have any documents regarding noise figure derivation to get understand, show me.
Some books, they have derived elaborately Noise Figure. Such books are Kai Chang' s "Handbook of Microwave and Optical Components" Wiley publication and C.Gentile " Microwave Amplifiers and Oscillators" McGraw Hill Publication. If these books documents are available online, can you show me.
If someone knows elaboration expression derivation of Noise Figure documents, can you show me.
@Gajendra please follow the G.Gonzalez "Microwave Transistor Amplifiers Analysis and design" 2nd ed. APPENDIX L. It has given a thorough explanation of derivation of Noise Figure.
I have gone through already as you suggested book. Is there any source, can you suggest me. If somebody knows following books, can you share me particular topic Noise Figure in those books.
1) Kai Chang' s "Handbook of Microwave and Optical Components" Wiley publication
2)C.Gentile " Microwave Amplifiers and Oscillators" McGraw Hill Publication
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