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Prove Friss formula with refrence to noise factor in cascade.
written 5.0 years ago by
teamques10
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modified 2.1 years ago
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pedsangini276
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written 2.1 years ago by
sagarkolekar
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In practice the filters or amplifiers are not used in isolated manner, they are used in cascaded manner.
The overall noise factor of such cascade connection can be determined as follows:
Figure below shows two amplifiers connected in cascade.
Let the power gains of two amplifier be $G_1$ and $G_2$ …
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