note about checking power switch

git-svn-id: https://svn.code.sf.net/p/freetel/code@2000 01035d8c-6547-0410-b346-abe4f91aad63

diff --git a/smartmic/SM1000-D/change-log-D.txt b/smartmic/SM1000-D/change-log-D.txt
index ce45a41953bf7688add3c5ee823d5113e8521e03..dec3af841aa50c1bbcec178871519fa9aa36fa7e 100644 (file)
--- a/smartmic/SM1000-D/change-log-D.txt
+++ b/smartmic/SM1000-D/change-log-D.txt
@@ -24,19 +24,10 @@
 
 10. [ ] Assembly instruction: J3 needs to be loaded and jumper inserted
 
-<<<<<<< .mine
-11.    [ ]     Microphone pins are swapped, ie rotate by 180 degrees.
-=======
 11. [ ] Microphone pins are swapped, ie rotate by 180 degrees.
->>>>>>> .r1992
 
-<<<<<<< .mine
-12. [ ]        Should R46 be log?
-=======
 12. [ ] Should R46 be log?  Last half of travel makes very little difference to subjective volume.
->>>>>>> .r1992
 
-<<<<<<< .mine
 13. [ ]        With bud type headphones, a low volume leve is reqd.  At these
                levels some low freq noises at the frame rate and HF hiss can be
                heard.  As these noises are still heard with zero volume its
@@ -44,19 +35,19 @@
                loudspeaker fine.  Amount of noise varies with headphones used. As
                volume is hard to regulate perhaps another option si a series
                resistor with the headphone jack.
-=======
-13. [ ] With bud type headphones, a low volume leve is reqd.  At these
-    levels some low freq noises at the frame rate and HF hiss can be
-    heard.  As these noises are still heard with zero volume its
-    probably noise from U8.  Might need soem HP/LP filtering.  Thru
-    loudspeaker fine.  Amount of noise varies with headphones used. As
-    volume is hard to regulate perhaps another option si a series
-    resistor with the headphone jack.
->>>>>>> .r1992
 
 14. [ ] Decide if power supply and USB programming cable should be included in BOM.
 
 15. [ ] Artwork (i.e. a coloured sleeve) for the box?  Price?  Who can design artwork?
 
+16. [ ] Change C33 from 100nF to 220nF, to bring HPF corner frequency down.
+
+17. [ ] Change Mic1 to Digikey part rather than generic subsitute
+    + Generic part resulted in "tinny" audio
+    + Digikey part fixed audio, sounded similar to Yaseu MH31
+    
+18. [ ] Confirm on/off power switch parts used is loose sample Edwin packed with the Qty 2 prototypes.
+
+19. [ ] Choose and order new PTT switch