<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.5.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0.04125" x2="16.03" y2="0.04125" width="0" layer="20"/>
<wire x1="16.03" y1="0.04125" x2="16.03" y2="51.08" width="0" layer="20"/>
<wire x1="16.03" y1="51.08" x2="0" y2="51.08" width="0" layer="20"/>
<wire x1="0" y1="51.08" x2="0" y2="0.04125" width="0" layer="20"/>
<hole x="8" y="32.6" drill="3.2"/>
<hole x="8" y="46.6" drill="3.2"/>
<hole x="8" y="4.6" drill="3.2"/>
<hole x="8" y="18.6" drill="3.2"/>
<text>BUS</text>
<text>MIX</text>
<text>3</text>
<text>2</text>
<text>1</text>
<text>3</text>
<text>2</text>
<text>1</text>
<text>NORM</text>
<text>NORM</text>
<text>BUS</text>
<text>MIX</text>
</plain>
<libraries>
<library name="SJR_thonkiconn">
<packages>
<package name="THONKICONN">
</package>
</packages>
</library>
<library name="mb_supply">
<description>&lt;b&gt;Supply&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;input, output, ground, and power supply.  
&lt;li&gt;these are used on a schematic for placeholders and on a board for pads for off-board components like jacks.
&lt;/ul&gt;</description>
<packages>
<package name="OCTOGON">
<description>&lt;b&gt;Octogonal Pad&lt;/b&gt;
&lt;ul&gt;&lt;li&gt;drill diameter 0.7 mm&lt;/li&gt;&lt;/ul&gt;</description>
</package>
</packages>
</library>
<library name="con-lstb">
<description>&lt;b&gt;Pin Headers&lt;/b&gt;&lt;p&gt;
Naming:&lt;p&gt;
MA = male&lt;p&gt;
# contacts - # rows&lt;p&gt;
W = angled&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="MA03-1">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="MB12_resistors">
<description>&lt;b&gt;Resistors&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;6mm long -- the size of 1/4 watt resistors
&lt;li&gt; all resistor values have the same size package; you choose the value of resistance 
&lt;/ul&gt;</description>
<packages>
<package name="R0207/1V">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;br&gt;
&lt;br&gt;
vertical position&lt;br&gt;
format: 0.1" (perfboard)&lt;br&gt;
spacing: 1 hole

&lt;p&gt;This length resistor applies to 1/4 watt metal film.</description>
</package>
</packages>
</library>
<library name="MB2015_potentiometers">
<packages>
<package name="9MM">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IN_1" library="SJR_thonkiconn" package="THONKICONN" value="THONKICONN"/>
<element name="OUT_1" library="SJR_thonkiconn" package="THONKICONN" value="THONKICONN"/>
<element name="IN_2" library="SJR_thonkiconn" package="THONKICONN" value="THONKICONN"/>
<element name="OUT_2" library="SJR_thonkiconn" package="THONKICONN" value="THONKICONN"/>
<element name="R1" library="MB12_resistors" package="R0207/1V" value="4K7">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="MB12_resistors" package="R0207/1V" value="4K7">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="LNK1" library="con-lstb" package="MA03-1" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="VALUE"/>
</element>
<element name="LNK2" library="con-lstb" package="MA03-1" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="VALUE"/>
</element>
<element name="BUS" library="mb_supply" package="OCTOGON" value="3"/>
<element name="POT1" library="MB2015_potentiometers" package="9MM" value="100K"/>
<element name="POT2" library="MB2015_potentiometers" package="9MM" value="100K"/>
</elements>
<signals>
<signal name="GND">
<contactref element="IN_1" pad="P$1"/>
<contactref element="OUT_1" pad="P$1"/>
<contactref element="POT1" pad="P$1"/>
<contactref element="IN_2" pad="P$1"/>
<contactref element="OUT_2" pad="P$1"/>
<contactref element="POT2" pad="P$1"/>
</signal>
<signal name="N$1">
<contactref element="IN_1" pad="P$3"/>
<contactref element="POT1" pad="P$3"/>
</signal>
<signal name="N$2">
<contactref element="R1" pad="1"/>
<contactref element="POT1" pad="P$2"/>
</signal>
<signal name="N$4">
<contactref element="IN_2" pad="P$3"/>
<contactref element="POT2" pad="P$3"/>
</signal>
<signal name="N$5">
<contactref element="R2" pad="1"/>
<contactref element="POT2" pad="P$2"/>
</signal>
<signal name="OUT_1">
<contactref element="OUT_1" pad="P$3"/>
<contactref element="R1" pad="2"/>
<contactref element="LNK1" pad="3"/>
</signal>
<signal name="OUT_2">
<contactref element="OUT_2" pad="P$3"/>
<contactref element="R2" pad="2"/>
<contactref element="LNK2" pad="3"/>
</signal>
<signal name="NORM_1">
<contactref element="LNK1" pad="1"/>
<contactref element="OUT_1" pad="P$2"/>
</signal>
<signal name="BUS">
<contactref element="LNK1" pad="2"/>
<contactref element="LNK2" pad="2"/>
<contactref element="BUS" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="LNK2" pad="1"/>
<contactref element="OUT_2" pad="P$2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
