From 96f3a3e8c8c99ec8c40648c359f811dd4ecfa6b9 Mon Sep 17 00:00:00 2001 From: rickb44 Date: Thu, 14 Aug 2014 21:22:59 +0000 Subject: [PATCH] Implemented Davids changes(21, 22 & 23) to schematic. Parts are in PCB, but not placed. RGB Updated Change Log RGB git-svn-id: https://svn.code.sf.net/p/freetel/code@1801 01035d8c-6547-0410-b346-abe4f91aad63 --- smartmic/SM1000-REV-B2/Change-Log-B2.txt | 19 +++-- smartmic/SM1000-REV-B2/SM1000-REV-B2.brd | 98 +++++++++++++++++++++++- smartmic/SM1000-REV-B2/SM1000-REV-B2.sch | 42 ++++++---- 3 files changed, 135 insertions(+), 24 deletions(-) diff --git a/smartmic/SM1000-REV-B2/Change-Log-B2.txt b/smartmic/SM1000-REV-B2/Change-Log-B2.txt index c56f35a0..112d4b8d 100644 --- a/smartmic/SM1000-REV-B2/Change-Log-B2.txt +++ b/smartmic/SM1000-REV-B2/Change-Log-B2.txt @@ -103,14 +103,17 @@ Changes 07/22/2014 Reformatted file to fit on Schematic. Latest change notes David 14 August -[ ] R46 to 100k - [ ] add series R to prevent DAC distortion? - [ ] get to bottom on LM386 distortion? -[ ] Add 22k betwwen DAC2 and ground - + making R46 100k lead to some analog coupling between ADC2 and DAC2, - not qute sure why, this lowers Z of this net -[ ] R52 1k trimmer wasn't on my digikey order - + probably my mistake, but check BOM +21. [X] R46 to 100k + [ ] add series R to prevent DAC distortion? + [ ] get to bottom on LM386 distortion? + Added RGB +22. [X] Add 22k betwwen DAC2 and ground + + making R46 100k lead to some analog coupling between ADC2 and DAC2, + not qute sure why, this lowers Z of this net + Added RGB +23. [X] R52 1k trimmer wasn't on my digikey order + + probably my mistake, but check BOM + Is in BOM RGB [ ] C36 is along way away from U6 + poss to move closer? [ ] Mic DC bias v low, about 0.3V diff --git a/smartmic/SM1000-REV-B2/SM1000-REV-B2.brd b/smartmic/SM1000-REV-B2/SM1000-REV-B2.brd index 88792c94..0868f7c2 100644 --- a/smartmic/SM1000-REV-B2/SM1000-REV-B2.brd +++ b/smartmic/SM1000-REV-B2/SM1000-REV-B2.brd @@ -44,6 +44,8 @@ + + @@ -68,10 +70,25 @@ + + + + + + + + + + + + + + + @@ -80,6 +97,7 @@ + @@ -2719,7 +2737,7 @@ design rules under a new name. - + @@ -3104,6 +3122,7 @@ design rules under a new name. + @@ -3771,9 +3790,80 @@ design rules under a new name. - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -4451,6 +4541,8 @@ design rules under a new name. + + diff --git a/smartmic/SM1000-REV-B2/SM1000-REV-B2.sch b/smartmic/SM1000-REV-B2/SM1000-REV-B2.sch index 08512b83..0513849a 100644 --- a/smartmic/SM1000-REV-B2/SM1000-REV-B2.sch +++ b/smartmic/SM1000-REV-B2/SM1000-REV-B2.sch @@ -3942,7 +3942,7 @@ http://www.weartronics.com/ - + @@ -4165,6 +4165,8 @@ http://www.weartronics.com/ + + @@ -6115,9 +6117,9 @@ http://www.weartronics.com/ - - - + + + @@ -6130,11 +6132,11 @@ http://www.weartronics.com/ - - + + - - + + @@ -6342,7 +6344,7 @@ http://www.weartronics.com/ - + @@ -6364,6 +6366,13 @@ http://www.weartronics.com/ + + + + + + + @@ -6525,7 +6534,7 @@ http://www.weartronics.com/ - + @@ -6609,6 +6618,11 @@ http://www.weartronics.com/ + + + + + @@ -6771,11 +6785,13 @@ http://www.weartronics.com/ - - -- 2.25.1