- An amplifier has input and output impedances of 75 ohms, 60 dB power gain anc a noise equivalent bandwidth of 15 KHz. When a 75 Q resistor at 290°k i connected to the input, the output rms noise voltage is 75 u v. Determine the effective noise temperature of the amplifier assuming that the meter is impedanc matched to the amplifier.

icon
Related questions
Question

Statistical power theory

TAn amplifier has input and output impedances of 75 ohms, 60 dB power gain and
a noise equivalent bandwidth of 15 KHz. When a 75 Q resistor at 290°k is
connected to the input, the output rms noise voltage is 75 u v. Determine the
effectiye noise temperature of the amplifier assuming that the meter is impedance
matched to the amplifier.
Transcribed Image Text:TAn amplifier has input and output impedances of 75 ohms, 60 dB power gain and a noise equivalent bandwidth of 15 KHz. When a 75 Q resistor at 290°k is connected to the input, the output rms noise voltage is 75 u v. Determine the effectiye noise temperature of the amplifier assuming that the meter is impedance matched to the amplifier.
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer