r5218 - trunk/gta02-core/docs/ecn

[alvieboy at docs.openmoko.org]

Author: alvieboy
Date: 2009-06-26 10:10:17 +0200 (Fri, 26 Jun 2009)
New Revision: 5218

Modified:
   trunk/gta02-core/docs/ecn/ecn0008.txt
Log:
Update GPS ext. ant. removal info

Modified: trunk/gta02-core/docs/ecn/ecn0008.txt
===================================================================
--- trunk/gta02-core/docs/ecn/ecn0008.txt	2009-06-26 04:26:48 UTC (rev 5217)
+++ trunk/gta02-core/docs/ecn/ecn0008.txt	2009-06-26 08:10:17 UTC (rev 5218)
@@ -1,7 +1,14 @@
 Remove external GPS antenna connector and circuit (CON7602)
 
 
-To do:
-- components to remove (includes antenna switch)
-- simplification of supply voltage circuit
-- readjust antenna-side components of RF filter
+Changes to implement in order to remove the external GPS antenna:
+
+- Remove U7606 and C7620
+- Merge C7601 and C7630 into a single capacitor, or remove them completely
+- Remove U7605, R7620, C7623, R7613, R7614, C7629, C7628 (external
+  antenna power sense)
+- Remove R7615, Q7602 and R7617. Connect R7610 to LNA_AVDD.
+
+
+
+Author: Alvaro Lopes <alvieboy at alvie.com>