Noise Figure of Capacitor

Trans-impedance of the circuit,

Power gain,

Noise added by the capacitor to ouput,

Noise factor,

Therefore noise figure of a capacitive load,

Figure 3. Noise figure computation of capacitive load >> Norton equivalent representation >> Equivalent circuit for noise figure calculation

The noise added by the losses elements like inductor and capacitor at the output is zero. Hence the noise figure is 0dB.

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