From 36a3a44bacec3b8674e1fffb30f9706edb1e81db Mon Sep 17 00:00:00 2001 From: drowe67 Date: Mon, 29 Sep 2014 21:57:04 +0000 Subject: [PATCH] addressed L3 issue raised by Glen git-svn-id: https://svn.code.sf.net/p/freetel/code@1867 01035d8c-6547-0410-b346-abe4f91aad63 --- smartmic/SM1000-C/Change-Log-C.txt | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/smartmic/SM1000-C/Change-Log-C.txt b/smartmic/SM1000-C/Change-Log-C.txt index 57bbc72b..d339021f 100644 --- a/smartmic/SM1000-C/Change-Log-C.txt +++ b/smartmic/SM1000-C/Change-Log-C.txt @@ -265,13 +265,16 @@ renumber to correct for duplicate #31 RGB 9/8/14 52. [X] CN2 difficult to hand solder, extend padds back towards outline Status: Extended RGB 09/24/14 -53. [X] Replace R9 with a bead or inductor. +53. [ ] Replace R9 with a bead Status: Replaced R9 with Taiyo Yuden CBC3225T101MR inductor. RGB 09/11/14 - Matt, VK5ZM, suggested: - - http://www.digikey.com/product-detail/en/CBC3225T101MR/587-1628-1-ND/1008243 + http://www.digikey.com/product-detail/en/CBC3225T101MR/587-1628-1-ND/1008243 Status: Replace in schematic & BOM. Will position on PCB during re-layout. RGB 09/15/14 + DR 30 Sep 2014; Matt, VK5ZM, suggested Taiyo Yuden + CBC3225T101MR however Glen English suggested this would give + an inductive kick so lets use a bead for L3. As per Matt's + suggestion pls move C30 to junction of L3 and D2. + 54. [X] Replace C25, C29, C28 with tants. Status: Switched Ceramics to Tantalum. @@ -408,9 +411,9 @@ BOM checklist Risk List --------- -1. [ ] Risk: Inductive kick from L3 damaging components on board. +1. [X] Risk: Inductive kick from L3 damaging components on board. Action: Confirm value with Matt, decide on if we should - downgrade to a bead + downgrade to a bead. (see #53, decn made to use bead). 2. [ ] Risk: Untested changes in schematic leading to a major problem in 100 Beta resulting in repair. Action: David to review all -- 2.25.1