Advantages and Disadvantages Differential and Cascode LNA

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ozenk

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cascode lna

hi Guys...


im will design LNA for weather satellite (137 Mhz)..if i googling in the web it many design of this LNA...and mostly is only single stage and common-source configuration...

why it doesnt design by differential or cascode....

is it any advantages or disadvantages of both model...?

i have been read in wikipedia that cascode is high gain so maybe it suitable for my design...

i want to get gain >30 dB and noise figure <1




thanks,,


ozenk
 

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