Title: 
"... the High Luminosity LHC"

Abstract:
line 22: "return to baseline": in line 99 you use hyphens. Please be consistent (appears also in line 118 and others)

Section 1:
Fig. 1, caption: spurious "in" in "shown in brown in will"
line 57: TEPX stands for "Tracker Endcap Pixel Detector", as we had it, please roll back!
line 77: add "signal": "after receipt of a Level-1 trigger signal" (Level-1 trigger can mean the whole system)

Section 2:
line 98: spurious "of" in "includes of a charge sensitive"
Line 108: "Three different AFE designs have been proposed within the RD53 project, to compare and 
provide a choice" I liked the original "Three different AFE designs have been proposed within the RD53 project,
to allow for comparison and to provide a choice" much better!
Fig. 3: suggest to move to top of page

Section 4:
- might want to move Fig. 15 to the top of the page

Section 5:
- could advance Fig. 16 to the previous page (page 13), where it is discussed. 

Section 6:
line 318 :roll back from characteristic --> consideration

Section 7:
lines 371-372: remove the 2 commas
line 433: Try to avoid the lonely line... May go away due to other changes