Updated Change-Log.txt format RGB

git-svn-id: https://svn.code.sf.net/p/freetel/code@1826 01035d8c-6547-0410-b346-abe4f91aad63

diff --git a/smartmic/SM1000-C/Change-Log-C.txt b/smartmic/SM1000-C/Change-Log-C.txt
index 24fd22817a0bbb301682059b4a22ff4740278168..4bae5a14d2bbdade3a5cd4717d23bdd7df97826d 100644 (file)
--- a/smartmic/SM1000-C/Change-Log-C.txt
+++ b/smartmic/SM1000-C/Change-Log-C.txt
@@ -101,7 +101,7 @@ Changes 07/22/2014 Reformatted file to fit on Schematic.
                 \r
 20. [X] Added item numbers to this file to facilitate communication. RGB 07/15/2014\r
 \r
-Latest change notes David 14 August\r
+========= Latest change notes David 14 August ==========\r
 \r
 21. [X] R46 to 100k\r
                [ ] add series R to prevent DAC distortion?\r
@@ -114,60 +114,88 @@ Latest change notes David 14 August
 23. [X] R52 1k trimmer wasn't on my digikey order\r
                + probably my mistake, but check BOM\r
                Is in BOM RGB\r
-[ ] C36 is along way away from U6\r
+               \r
+24.    [ ] C36 is along way away from U6\r
     + poss to move closer?\r
-[ ] Mic DC bias v low, about 0.3V\r
+    \r
+25.    [ ] Mic DC bias v low, about 0.3V\r
     + should we change R39?\r
-[ ] Idea - clear labels next to each trimmers in large font\r
+    \r
+26.    [ ] Idea - clear labels next to each trimmers in large font\r
     + and connectors and TP, hard to see with naked eye\r
-[ ] foot print for a small reset button\r
+    \r
+27.    [ ] foot print for a small reset button\r
     + I press it a lot, gd for experimenting\r
-[ ] 1nF to filter noise across 500k R42 but very close to op-amp\r
-[ ] highly senstive net between R53 and R42 should be shorter if possible, \r
+    \r
+28.    [ ] 1nF to filter noise across 500k R42 but very close to op-amp\r
+\r
+29.    [ ] highly senstive net between R53 and R42 should be shorter if possible, \r
     as we are getting a lot of noise pick up.\r
-[ ] Move ADC power supply bypass network v close to pins 21/22 U1B and\r
+    \r
+30.    [ ] Move ADC power supply bypass network v close to pins 21/22 U1B and\r
     away from switcher + as per Discovery board\r
-[ ] route op-amp bypass caps directly to op amp power supply pins on same layer, place nearby\r
+    \r
+31.    [ ] route op-amp bypass caps directly to op amp power supply pins on same layer, place nearby\r
 \r
-[ ] Idea - clear labels next to each trimmers in large font\r
+32.    [ ] Idea - clear labels next to each trimmers in large font\r
     + and connectors\r
-[ ] foot print for a small reset button\r
+    \r
+31.    [ ] foot print for a small reset button\r
     + I press it a lot, gd for experimenting\r
 \r
-[ ] Matt - PCB review + manufacture\r
+32.    [ ] Matt - PCB review + manufacture\r
 \r
-[ ] Modem appears to be losing sync on time slips\r
+33.    [ ] Modem appears to be losing sync on time slips\r
     + investigate this in simulation form\r
-[ ] check trimmers all go the same way around\r
-[ ] connect C36 to + term of U6, delete R43\r
-[ ] some gain on U6 a good idea?\r
+    \r
+34.    [ ] check trimmers all go the same way around\r
+\r
+35.    [ ] connect C36 to + term of U6, delete R43\r
+\r
+36.    [ ] some gain on U6 a good idea?\r
     + laptop audio ouput just a few 100mVpp\r
     + at least put in resistors.\r
-[ ] very big robust pads for R46\r
+    \r
+37.    [ ] very big robust pads for R46\r
     + pot keeps falling off, breaking pads\r
-[ ] Consider case made from PCB, like sniffers\r
+    \r
+38.    [ ] Consider case made from PCB, like sniffers\r
     + can get all holes drilled\r
     + gd RF shielding\r
-[ ] should square pad on Mic be gnd side?\r
-[ ] added 3n9 between U8 p3 and ground \r
+    \r
+39.    [ ] should square pad on Mic be gnd side?\r
+\r
+40.    [ ] added 3n9 between U8 p3 and ground \r
     + removed some tonal noise and \r
-[ ] changed R39 to 2k2\r
+    \r
+41.    [ ] changed R39 to 2k2\r
     + mic bias now 2.8V\r
-[ ] Switcher noise reduction idea\r
+    \r
+42.    [ ] Switcher noise reduction idea\r
     + is there away to lock the switcher osc to a uC clock?\r
     + we could make it a multiple of ADC/DAC sample rate\r
     + thus aliasing all noise down to 0 Hz\r
     + need swicther to freerun until uC starts\r
-[ ] review jumpers and see if it makes mores sense to make them 0 ohm 0805s\r
-[ ] C24 closer to U1?\r
-[ ] C40 should be 47nF\r
+    \r
+43.    [ ] review jumpers and see if it makes mores sense to make them 0 ohm 0805s\r
+\r
+44.    [ ] C24 closer to U1?\r
+\r
+45.    [ ] C40 should be 47nF\r
     + David used wrong value on prototype\r
-[ ] LD2 opto-isolator footprint wrong (or maybe I ordered wrong part) \r
-[ ] location of C51 net label\r
-[ ] SW1 needs bigger pads to make hand solderable\r
+    \r
+46.    [ ] LD2 opto-isolator footprint wrong (or maybe I ordered wrong part) \r
+\r
+47.    [ ] location of C51 net label\r
+\r
+48.    [ ] SW1 needs bigger pads to make hand solderable\r
     + is this suitable as a PTT switch?\r
     + button is quite small\r
     + locking PTT as per SW3 useful for testing (want to leave tx on)\r
-[ ] CN12 is hard to solder manually, need larger mechanical pads\r
+    \r
+49.    [ ] CN12 is hard to solder manually, need larger mechanical pads\r
     + although this would increase the outline so maybe not a problem\r
-[ ] CN2 difficult to hand solder, extend padds back towards outline\r
+    \r
+50.    [ ] CN2 difficult to hand solder, extend padds back towards outline\r
+\r
+==========  ==========\r