From b171859894126d388f536d849d9a88208362c57b Mon Sep 17 00:00:00 2001 From: drowe67 Date: Mon, 29 Sep 2014 05:06:59 +0000 Subject: [PATCH] added risk list and 480 ohm switch series resistors git-svn-id: https://svn.code.sf.net/p/freetel/code@1865 01035d8c-6547-0410-b346-abe4f91aad63 --- smartmic/SM1000-C/Change-Log-C.txt | 32 ++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/smartmic/SM1000-C/Change-Log-C.txt b/smartmic/SM1000-C/Change-Log-C.txt index 91b4c990..27a2ecc6 100644 --- a/smartmic/SM1000-C/Change-Log-C.txt +++ b/smartmic/SM1000-C/Change-Log-C.txt @@ -336,6 +336,8 @@ renumber to correct for duplicate #31 RGB 9/8/14 9.2, 5.8, 9.8. Could we extend under DC power connector? measure max DC power plus diameter (molded part) as 9.8, 8.5, 9.4mm Status: Need to talk about this. RGB 09/27/14 + +68. Pls add 480 ohm series resistors in series with BOOT0, select, and back nets. ====================================================================================================================================================================================== The following should be added as items to list above & numbered. Too many places to look for possible changes. Also, there should be some means of showing resolution. RGB 09/27/14 @@ -374,7 +376,6 @@ Rev C PCB layout notes 2/ L1, R10, C10, C12, C11, C13 close to U1 with direct connection to p20 ====> Parts staged to do this when PCB routing done. RGB 09/27/14 -<<<<<<< .mine 3/ Large labls for connectors and trimmers. Maybe single letters or symbols so they can fit? So user doesn't have to refer to schematic ====> Locations should be shown in "User Guide". There is a limit to component density and the number of labelling exceptions. If you want some specific labelling let me know. RGB 09/27/14 @@ -383,15 +384,26 @@ symbols so they can fit? So user doesn't have to refer to schematic symbols so they can fit? So user doesn't have to refer to schematic when setting up. ====> Ditto -4/ "As per June 2001 pcd mixed signal ... " PDF -====> Same as 1/ above. +BOM checklist +------------- + +[X] CN12 female box header and wire? + + should we provide some male headers? NO + + should we approach signal-link? Don't have to. Several vendors use this scheme. + [X] CN3 specified as RASM722PX Yes + [O] knob for pot: Will add to BOM + +Risk List +--------- - BOM checklist - ------------- +1. [ ] Risk: Inductive kick from L3 damaging components on board. + Action: Confirm value with Matt, decide on if we should + downgrade to a bead - [X] CN12 female box header and wire? - + should we provide some male headers? NO - + should we approach signal-link? Don't have to. Several vendors use this scheme. - [X] CN3 specified as RASM722PX Yes - [O] knob for pot: Will add to BOM +2. [ ] Risk: Untested changes in schematic leading to a major problem. + Action: David to review all change log entries above to + determine if any have been untested +3. [ ] Risk; Software not ready when Beta hardware arrives: Action: + Specify min software load (e.g. configuration menus, SNR read + out, set up procedure) -- 2.25.1