1. Filtered noise:
Chapter 9 Figure 06
Chapter 9 Figure 07

2. What’s the total power of white noise?

3. Slope: -10dB/dec f2 f1

4. Equivalent noise bandwidth of a filter = the bandwidth of an ideal filter allowing the same amount of noise to pass through.
Chapter 9 Figure 09
-3dB BW
Noise in this band can still pass through
-3dB BW
noise BW

5. Band pass filter:
noise BW

8. Chapter 9 Figure 12

9. Chapter 9 Figure 13

10. Rs L Rs L Vs
VRs iL

11. Sampling noise

12. So make the input stage low noise and high gain!
1.03
Chapter 9 Figure 16
So make the input stage low noise and high gain!

13. Chapter 9 Figure 18

15. Chapter 9 Figure 20