Update README.md

README.md

 # LNA PGA-103 v2.1
 
-Low Noise Amplifier for 144 MHz band with PGA-103, input low pass filter, output band pass filter and bypass relays in ALU case.
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+Low Noise Amplifier for 144 MHz band with PGA-103, input low pass filter, output band pass filter and bypass relays in ALU case.
+
+## Shematic
+![SCHEMATIC](HW/SCH.png)
+
+## PCB Top Side
+![BOT](HW/PCB_TOP.png)
+
+## PCB Bottom Side
+![TOP](HW/PCB_BOT.png)