<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.4.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="13.64" y2="0" width="0" layer="20"/>
<wire x1="13.64" y1="0" x2="13.64" y2="25.4" width="0" layer="20"/>
<wire x1="13.64" y1="25.4" x2="0" y2="25.4" width="0" layer="20"/>
<wire x1="0" y1="25.4" x2="0" y2="0" width="0" layer="20"/>
<text>Ci</text>
<text>Ci</text>
<text>D</text>
<text>D</text>
<text>Co</text>
<text>Co</text>
<text>Cj</text>
<text>Cj</text>
<text>Ci</text>
<text>Microphone 
Proto v1.0
Dec 2016</text>
</plain>
<libraries>
<library name="filip">
<description>Filip's custom library</description>
<packages>
<package name="0805">
<description>&lt;b&gt;SMD CHIP CAP Polarized&lt;/b&gt;&lt;p&gt;
0805, grid 0.0125 inch</description>
</package>
<package name="SPH0641LU4H-1">
<description>Knowles MEMS microphone SPH0641LU4H-1

.023in microphone drill hole</description>
</package>
<package name="CRYSTAL-SMD-7X5">
</package>
<package name="TE-A-3216">
<description>&lt;b&gt;SMD TANTALUM&lt;/b&gt;&lt;p&gt; 
EIA Code 3216, Size A, 3.2 mm x 1.6 mm, grid 0.0125 inch</description>
</package>
</packages>
</library>
<library name="pinhead">
<description>&lt;b&gt;Pin Header Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="2X02">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X01">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X02">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="filip" package="0805" value="0.1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="filip" package="0805" value="0.1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$1" library="filip" package="SPH0641LU4H-1" value="SPH0641LU4H-1">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$2" library="filip" package="SPH0641LU4H-1" value="SPH0641LU4H-1">
<attribute name="NAME"/>
</element>
<element name="U1" library="filip" package="CRYSTAL-SMD-7X5" value="OSCILLATORSMD">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IO1" library="pinhead" package="2X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IO2" library="pinhead" package="2X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="GND" library="pinhead" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="POW" library="pinhead" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="filip" package="TE-A-3216" value="4.7uF">
<attribute name="VALUE"/>
<attribute name="NAME"/>
</element>
</elements>
<signals>
<signal name="GNDA">
<contactref element="C1" pad="-"/>
<contactref element="U1" pad="P$2"/>
<contactref element="U$1" pad="3"/>
<contactref element="C2" pad="-"/>
<contactref element="U$2" pad="3"/>
<contactref element="GND" pad="1"/>
<contactref element="POW" pad="2"/>
<contactref element="C3" pad="-"/>
</signal>
<signal name="+3V3">
<contactref element="U1" pad="P$4"/>
<contactref element="C1" pad="+"/>
<contactref element="U$1" pad="5"/>
<contactref element="U$2" pad="5"/>
<contactref element="C2" pad="+"/>
<contactref element="U1" pad="P$1"/>
<contactref element="U$1" pad="2"/>
<contactref element="U$2" pad="2"/>
<contactref element="POW" pad="1"/>
<contactref element="C3" pad="+"/>
</signal>
<signal name="N$1">
<contactref element="U$1" pad="1"/>
<contactref element="IO1" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="IO1" pad="3"/>
<contactref element="U$1" pad="4"/>
</signal>
<signal name="N$3">
<contactref element="U1" pad="P$3"/>
<contactref element="IO1" pad="2"/>
<contactref element="IO1" pad="4"/>
<contactref element="IO2" pad="2"/>
<contactref element="IO2" pad="4"/>
</signal>
<signal name="N$4">
<contactref element="IO2" pad="1"/>
<contactref element="U$2" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="IO2" pad="3"/>
<contactref element="U$2" pad="4"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
