1. If we want to minimize the noise power at the system output, is it more convenient to use a…

1. If we want to minimize the noise power at the system output, is it more convenient to use a cascade of N passive two-port networks each at temperature T1 and gain g1, or a unique passive two-port network at temperature T1 and gain (g1) N?

2. If our aim is to minimize the noise power at the system output, is it more convenient to use a single amplifier with noise figure F and gain g, or the cascade of N amplifiers each with noise figure F and total (of the cascade) gain g?

 

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