This lesson covers the concept of noise in CMOS RF integrated circuits, focusing on various noise sources, sampled noise on a capacitor, and noise in a MOS device. It explains how noise is produced in a resistor due to the vibration of electrons and how it can be modeled as a noiseless resistor in series with a noise voltage. The lesson also discusses the concept of Thevenin and Norton equivalent transformations and how they can be used to represent a resistor. It further explains how noise is calculated in a network full of resistors and capacitors.

- Noise in a resistor is produced due to the vibration of electrons and can be modeled as a noiseless resistor in series with a noise voltage.
- Thevenin and Norton equivalent transformations can be used to represent a resistor.
- In a network full of resistors and capacitors, each noise source should be considered individually to calculate the total mean squared noise voltage.
- The total noise decreases for a low pass RC structure if the value of the capacitor is increased.
- The total mean squared noise voltage over all frequencies for a network can be calculated by integrating the mean squared noise source as a function of frequency over all frequencies.

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