ECE 5/4625 ⢠Quiz 12a ⢠May 7, 2013
ECE 5/4625 ⢠Quiz 12a ⢠May 7, 2013
ECE 5/4625 ⢠Quiz 12a ⢠May 7, 2013
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<strong>ECE</strong> 5/<strong>4625</strong> • <strong>Quiz</strong> 12c • <strong>May</strong> 7, <strong>2013</strong>Topic: Physical Noise Sources Name: ___________________________A source with equivalent noise temperature T s= 1000 K is followed by a cascade of three amplifiershaving the specifications shown in the table below. Assume a bandwidth of 50 kHz.Amplifier No. F Gain1 300 K 10 dB2 6 dB 30 dB3 11 dB 30 dBa.) Find the noise figure of the cascadeT 0b.) Find the noise temperature of the system
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