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The RF amplifier of a receiver has an input resistance of 1000 Q, and equivalent shot noise resistance of 2000 Q, a gain of 25, and a load resistance of 125 kQ. Given that the bandwidth is 1.0 MHz and the temperature is 20°C, calculate the equivalent noise voltage at the input to this RF amplifier. If this receiver is connected to an antenna with an impedance of 75 Q, calculate the noise figure.

The RF amplifier of a receiver has an input resistance of 1000 Q, and equivalent shot noise resistance of 2000 Q, a gain of 25, and a load resistance of 125 kQ. Given that the bandwidth is 1.0 MHz and the temperature is 20°C, calculate the equivalent noise voltage at the input to this RF amplifier. If this receiver is connected to an antenna with an impedance of 75 Q, calculate the noise figure.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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The RF amplifier of a receiver has an input resistance of 1000 Q, and equivalent shot noise resistance of 2000 Q, a gain of 25, and a load resistance of 125 kQ. Given that the bandwidth is 1.0 MHz and the temperature is 20°C, calculate the equivalent noise voltage at the input to this RF amplifier. If this receiver is connected to an antenna with an impedance of 75 Q, calculate the noise figure.
Transcribed Image Text:The RF amplifier of a receiver has an input resistance of 1000 Q, and equivalent shot noise resistance of 2000 Q, a gain of 25, and a load resistance of 125 kQ. Given that the bandwidth is 1.0 MHz and the temperature is 20°C, calculate the equivalent noise voltage at the input to this RF amplifier. If this receiver is connected to an antenna with an impedance of 75 Q, calculate the noise figure.
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