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October 11th 06, 06:11 PM
posted to rec.radio.amateur.homebrew
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effect of cascading LNAs
I am wondering what's the bad effect of cascading a lot of low noise
amplifiers? It seems that if I devide 90dB into 4 LNAs I will have much less noise figure. Can I use 5 LNAs in series? Any disadvantage about this way? Thanks. |
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