Add schematic symbols and footprints

Schematic Symbols
-----------------

* TBA1 Traco DC/DC Power Modules
* Rotary Encoder with mounting holes
* NSVF4020SG4 RF NPN transistor
* MCP6V34 Quad low offset OpAmp
* TSZ121ICT Low offset opAmp

Footprints
----------

* TRACO_TBA1
* LCD4x16_smd_pad

schematics/shimatta_rf.lib

@@ -83,6 +83,27 @@ X XC2 9 600 -500 150 L 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# NSVF4020SG4
+#
+DEF NSVF4020SG4 Q 0 40 Y N 1 F N
+F0 "Q" -50 200 50 H V C CNN
+F1 "NSVF4020SG4" 350 200 50 H V C CNN
+F2 "" 0 100 50 H I C CNN
+F3 "" 0 100 50 H I C CNN
+DRAW
+C 0 0 111 1 1 10 N
+P 2 0 1 0 50 -100 150 -100 N
+P 2 1 1 0 -25 25 50 100 N
+P 3 1 1 0 -25 -25 50 -100 50 -100 N
+P 3 1 1 20 -25 75 -25 -75 -25 -75 N
+P 5 1 1 0 0 -70 20 -50 40 -90 0 -70 0 -70 F
+X C 1 50 200 100 D 50 50 1 1 P
+X E 2 50 -200 100 U 50 50 1 1 P
+X B 3 -250 0 225 R 50 50 1 1 I
+X E 4 150 -200 100 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # RF2126
 #
 DEF RF2126 U 0 40 Y Y 1 F N