add BGA420 schematic symbol

README.MD

@@ -36,6 +36,9 @@ Libraries for KiCad.
 ## relais
 * FTR-B4CA 4,5V compatible Relais
 
+## rf (RF/HF Components)
+* BGA420 Infineon MMIC
+
 ## analog
 * UDA1330ATS 16-bit Stereo DAC
 

schematics/shimatta_rf.dcm

@@ -0,0 +1,3 @@
+EESchema-DOCLIB  Version 2.0
+#
+#End Doc Library

schematics/shimatta_rf.lib

@@ -0,0 +1,23 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# BGA420
+#
+DEF BGA420 U 0 40 Y Y 1 F N
+F0 "U" 50 50 60 H V C CNN
+F1 "BGA420" 450 50 60 H V C CNN
+F2 "" -50 50 60 H I C CNN
+F3 "" -50 50 60 H I C CNN
+$FPLIST
+ BGA420-INF
+$ENDFPLIST
+DRAW
+S 0 0 550 -500 0 1 0 f
+X RFOUT ~ 750 -250 200 L 50 50 1 1 O
+X RFIN 1  -200 -250 200 R 50 50 1 1 I
+X GND 2 200 -700 200 U 50 50 1 1 W
+X VCC 4 200 200 200 D 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+#End Library