1) Noise: The formula for Johnson-Nyquist noise isv = V4KTRB. These values are given: K = 1.380648522 * 10-23 J/k T = 250 K R = 25 M Q B (bandwidth) = 70MHZ %3D Assume that you have a 24 bit ADC and that the input range of the ADC is 5V. Calculate the noise voltage due to J-N for this circuit, and then compare this voltage to sensitivity of ADC. That is how many ADC steps do you expect the measurement to fluctuate due to J-N noise. You should round your answer to the nearest integer. acer
1) Noise: The formula for Johnson-Nyquist noise isv = V4KTRB. These values are given: K = 1.380648522 * 10-23 J/k T = 250 K R = 25 M Q B (bandwidth) = 70MHZ %3D Assume that you have a 24 bit ADC and that the input range of the ADC is 5V. Calculate the noise voltage due to J-N for this circuit, and then compare this voltage to sensitivity of ADC. That is how many ADC steps do you expect the measurement to fluctuate due to J-N noise. You should round your answer to the nearest integer. acer
Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Noise: The formula for Johnson-Nyquist noise isv = V4KTRB. These values are given:
K = 1.380648522 * 10-23 J/k
T = 250 K
R = 25 M Q
B (bandwidth) = 70MHZ
%3D
Assume that you have a 24 bit ADC and that the input range of the ADC is 5V. Calculate the
noise voltage due to J-N for this circuit, and then compare this voltage to sensitivity of ADC. That
is how many ADC steps do you expect the measurement to fluctuate due to J-N noise. You
should round your answer to the nearest integer.
acer
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