## page was renamed from Lecture 08
= Switched-capacitor filters, kT/C noise, chopping, and correlated double sampling. =

Lecture 1 and 2 along the lines of [[https://doi.org/10.1007/s10470-018-1131-7|Schmid, H. & Huber, A. Analog Integr Circ Sig Process (2018) 96: 495.]]

Lecture 3 uses [[https://doi.org/10.1109/JSSC.2020.3016656|J. Liu, X. Tang, W. Zhao, L. Shen and N. Sun, "A 13-bit 0.005-mm2 40-MS/s SAR ADC With kT/C Noise Cancellation," in IEEE Journal of Solid-State Circuits, vol. 55, no. 12, pp. 3260-3270, Dec. 2020]]


== Exercises ==

 * [[https://people.ee.ethz.ch/~haschmid/asf/08/asf_ex08a.zip|Exercise 08a (for Lecture 1)]] 

 * [[https://people.ee.ethz.ch/~haschmid/asf/08/asf_ex08b.zip|Exercise 08b (for Lecture 2)]] 
   * [[https://doi.org/10.1109/5.542410|Paper 1: Enz 1996, Circuit techniques for reducing the effects of op-amp imperfections: autozeroing, correlated double sampling, and chopper stabilization]]
   * [[https://doi.org/10.1109/ISCAS.1990.112599|Paper 2: Ki 1990, Offset-compensated switched-capacitor integrators]]

 * No exercises for Lecture 3. We discuss a paper:
   * [[https://doi.org/10.1109/JSSC.2020.3016656|Liu 2020, A 13-bit 0.005-mm^2 40-MS/s SAR ADC With kT/C Noise Cancellation]]

== Additional material ==

The derivation of the kT/C Formula is on p.~254 of the following paper:

 * [[https://people.ee.ethz.ch/~haschmid/asf/08/sc_noise_analysis__authors_copy.pdf|A tutorial to switched-capacitor noise analysis by hand (Schmid/Eichelberger/Huber)]]

Suppressing flicker noise is described here:

 * [[https://people.ee.ethz.ch/~haschmid/asf/08/2007casmag.pdf|CAS Magazine column "Aaargh! I Just Loooove Flicker Noise"]]
 * [[https://link.springer.com/content/pdf/10.1007%2Fs10470-016-0806-1.pdf|AICSP article by Schmid et.al., "A tutorial to switched-capacitor noise analysis by hand"]]