Thermal noise is a type of noise that is produced when electrons move rapidly and randomly within a conductor due to thermal agitation. Determine the following for an amplifier operating at a temperature of 27°C and a bandwidth of 20 kHz. Assume that the ambient temperature is 290 Kelvin. (a) (i) the thermal noise power in watts and dBm. (ii) the RMS noise voltage for a 60 N internal resistance and a 60 Q load resistance. (iii) the increase in thermal noise power in dB if the temperature increased to 70°C. (iv) the increase in thermal noise power caused by doubling the bandwidth.
Thermal noise is a type of noise that is produced when electrons move rapidly and randomly within a conductor due to thermal agitation. Determine the following for an amplifier operating at a temperature of 27°C and a bandwidth of 20 kHz. Assume that the ambient temperature is 290 Kelvin. (a) (i) the thermal noise power in watts and dBm. (ii) the RMS noise voltage for a 60 N internal resistance and a 60 Q load resistance. (iii) the increase in thermal noise power in dB if the temperature increased to 70°C. (iv) the increase in thermal noise power caused by doubling the bandwidth.
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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