The first layer of a three-layer cascade microwave system is a filter, the second and the third layers are amplifiers. The gain of the amplifier in the second layer (G2) is 9 dB and the noise figure (F2) is 3 dB. The gain of the amplifier in the third layer (G3) is 18 dB and the noise figure (F3) is 2 dB. If the system temperature is T = 300 Kelvin, the cascade Find the equivalent noise temperature. Note: The reference temperature should be taken as T0 = 290 Kelvin.
The first layer of a three-layer cascade microwave system is a filter, the second and the third layers are amplifiers. The gain of the amplifier in the second layer (G2) is 9 dB and the noise figure (F2) is 3 dB. The gain of the amplifier in the third layer (G3) is 18 dB and the noise figure (F3) is 2 dB. If the system temperature is T = 300 Kelvin, the cascade Find the equivalent noise temperature. Note: The reference temperature should be taken as T0 = 290 Kelvin.
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The first layer of a three-layer cascade microwave system is a filter, the second and the third layers are amplifiers. The gain of the amplifier in the second layer (G2) is 9 dB and the noise figure (F2) is 3 dB. The gain of the amplifier in the third layer (G3) is 18 dB and the noise figure (F3) is 2 dB. If the system temperature is T = 300 Kelvin, the cascade Find the equivalent noise temperature.
Note: The reference temperature should be taken as T0 = 290 Kelvin.
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