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DPScope - Build Your Own USB/PC-Based Oscilloscope

Step 28Assembly Step 16: IC Installation

Assembly Step 16: IC Installation
Now it’s time to install the ICs (integrated circuits). There are five of them.
 
 
Note 1: Make sure to put the chips on in the correct orientation. Each chip has a notch on one end – this notch must go on top of the notch in the silkscreen outline (and the notch in the socket if you installed those correctly!).
 

Note 2: There are two different types of the 8-pin ICs – make sure you install them in the correct locations as shown in the picture below. Installing them in the wrong place (or the wrong orientation) will destroy them when you power up the oscilloscope. You can distinguish the chips by the labels printed on them (two are labeled MCP6S22, one is labeled MCP4822).
 
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