<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="8.6.3">
<drawing>
<board>
<plain>
<wire x1="24.13" y1="66.6655125" x2="24.13" y2="31.75" width="0.1524" layer="20"/>
<wire x1="24.13" y1="31.75" x2="26.67" y2="29.21" width="0.1524" layer="20" curve="90"/>
<wire x1="26.67" y1="29.21" x2="71.12" y2="29.21" width="0.1524" layer="20"/>
<wire x1="71.12" y1="29.21" x2="73.66" y2="31.75" width="0.1524" layer="20" curve="90"/>
<wire x1="73.66" y1="31.75" x2="73.66" y2="66.6744875" width="0.1524" layer="20"/>
<wire x1="73.66" y1="66.6744875" x2="71.1194875" y2="69.2144875" width="0.1524" layer="20" curve="90.011561"/>
<wire x1="71.1194875" y1="69.2144875" x2="26.6694875" y2="69.2055125" width="0.1524" layer="20"/>
<wire x1="26.6694875" y1="69.2055125" x2="24.13" y2="66.6655125" width="0.1524" layer="20" curve="90.024242"/>
<text>IATS</text>
<text>IATS</text>
</plain>
<libraries>
<library name="gm-caps-film-box">
<description>&lt;b&gt;Capacitors, Film, Box&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;1000pF - 2.2uF  (uF = µF = mF)
&lt;li&gt;popular nonpolarized capacitors because they are small
&lt;li&gt;these have short leads so that pad spacing equals lead spacing
&lt;li&gt;e.g., WIMA capacitors
&lt;/ul&gt;</description>
<packages>
<package name="072X025">
<description>&lt;b&gt;7.2mm x 2.5mm&lt;/b&gt;
&lt;p&gt;WIMA MKS2, MKP2</description>
</package>
</packages>
</library>
<library name="caps-film">
<packages>
<package name="0.2&quot;.LRG">
<description>0.2" (5.08mm) spacing
&lt;p&gt;
&lt;b&gt;1uF caps&lt;/b&gt;</description>
</package>
<package name="0.2&quot;.SML">
<description>0.2" (5.08mm) spacing
&lt;p&gt;
&lt;b&gt; 
10pf - 180n&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="caps-elec">
<packages>
<package name="0632">
<description>0.1" (2.54mm) spacing</description>
</package>
</packages>
</library>
<library name="diodes">
<packages>
<package name="DO41-3">
<description>&lt;b&gt;DO-41 0.3" pad spacing&lt;/b&gt;</description>
</package>
<package name="3MM_2">
</package>
</packages>
</library>
<library name="jacks">
<packages>
<package name="DC_TS">
</package>
</packages>
</library>
<library name="potentiometers">
<packages>
<package name="16MM_C.MOUNT">
<description>&lt;b&gt;16mm / Right-Angle /  PC Mount / Short Pin&lt;/b&gt;
&lt;p&gt;
For aligning the center of the pot shaft to a specific drill location
&lt;p&gt;
&lt;a href="http://smallbear-electronics.mybigcommerce.com/alpha-single-gang-16mm-right-angle-pc-mount/"&gt;http://smallbear-electronics.mybigcommerce.com/alpha-single-gang-16mm-right-angle-pc-mount/&lt;/a&gt;</description>
</package>
</packages>
</library>
<library name="integrated circuits">
<packages>
<package name="DIP08">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="transistors-BJT">
<packages>
<package name="TO92">
</package>
</packages>
</library>
<library name="resistors">
<packages>
<package name="0.3&quot;.B">
<description>0.3"  (7.62mm) lead spacing, 1/4W (flat)</description>
</package>
</packages>
</library>
<library name="enclosures">
<packages>
<package name="1590B">
</package>
<package name="LUMBURG_SIDE">
</package>
<package name="3PDT">
</package>
<package name="DC_TOP">
</package>
</packages>
</library>
<library name="supply pins">
<packages>
<package name="PAD1">
<description>&lt;b&gt;Round Pad (w/label) - 80mil Diameter, 47mil Drill&lt;b&gt;</description>
</package>
<package name="PAD3">
<description>&lt;b&gt;Square Pad (w/label) - 80mil Diameter, 47mil Drill&lt;b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="gm-caps-film-box" package="072X025" value="47n"/>
<element name="C10" library="caps-film" package="0.2&quot;.LRG" value="1uf"/>
<element name="C11" library="caps-elec" package="0632" value="100uf"/>
<element name="C12" library="gm-caps-film-box" package="072X025" value="100n"/>
<element name="C13" library="caps-elec" package="0632" value="47uf"/>
<element name="C2" library="caps-film" package="0.2&quot;.LRG" value="1uf"/>
<element name="C3" library="caps-film" package="0.2&quot;.SML" value="100pf"/>
<element name="C5" library="gm-caps-film-box" package="072X025" value="120n"/>
<element name="C6" library="gm-caps-film-box" package="072X025" value="220n"/>
<element name="C7" library="gm-caps-film-box" package="072X025" value="220n"/>
<element name="C8" library="caps-film" package="0.2&quot;.LRG" value="1uf"/>
<element name="C9" library="gm-caps-film-box" package="072X025" value="100n"/>
<element name="D1" library="diodes" package="DO41-3" value="1n914"/>
<element name="D2" library="diodes" package="DO41-3" value="1n914"/>
<element name="D3" library="diodes" package="DO41-3" value="1n914"/>
<element name="D6" library="diodes" package="DO41-3" value="1n5817"/>
<element name="DC" library="jacks" package="DC_TS" value="DC_TS"/>
<element name="DRIVE" library="potentiometers" package="16MM_C.MOUNT" value="A500k">
<attribute name="NAME"/>
<attribute name="NAME"/>
</element>
<element name="IC1" library="integrated circuits" package="DIP08" value="JRC4558"/>
<element name="LED" library="diodes" package="3MM_2" value="LED.3">
<attribute name="NAME"/>
</element>
<element name="Q1" library="transistors-BJT" package="TO92" value="2N5088"/>
<element name="Q2" library="transistors-BJT" package="TO92" value="2N5088"/>
<element name="R1" library="resistors" package="0.3&quot;.B" value="1M"/>
<element name="R10" library="resistors" package="0.3&quot;.B" value="220R"/>
<element name="R11" library="resistors" package="0.3&quot;.B" value="1k"/>
<element name="R12" library="resistors" package="0.3&quot;.B" value="1k"/>
<element name="R13" library="resistors" package="0.3&quot;.B" value="470k"/>
<element name="R14" library="resistors" package="0.3&quot;.B" value="10k"/>
<element name="R15" library="resistors" package="0.3&quot;.B" value="100R"/>
<element name="R16" library="resistors" package="0.3&quot;.B" value="10k"/>
<element name="R17" library="resistors" package="0.3&quot;.B" value="4k7"/>
<element name="R18" library="resistors" package="0.3&quot;.B" value="47R"/>
<element name="R19" library="resistors" package="0.3&quot;.B" value="10k"/>
<element name="R2" library="resistors" package="0.3&quot;.B" value="1k"/>
<element name="R20" library="resistors" package="0.3&quot;.B" value="10k"/>
<element name="R3" library="resistors" package="0.3&quot;.B" value="470k"/>
<element name="R4" library="resistors" package="0.3&quot;.B" value="10k"/>
<element name="R5" library="resistors" package="0.3&quot;.B" value="10k"/>
<element name="R6" library="resistors" package="0.3&quot;.B" value="4k7"/>
<element name="R7" library="resistors" package="0.3&quot;.B" value="47k"/>
<element name="R8" library="resistors" package="0.3&quot;.B" value="1k"/>
<element name="R9" library="resistors" package="0.3&quot;.B" value="10k"/>
<element name="TONE" library="potentiometers" package="16MM_C.MOUNT" value="W20k">
<attribute name="NAME"/>
<attribute name="NAME"/>
</element>
<element name="VOL" library="potentiometers" package="16MM_C.MOUNT" value="A100k">
<attribute name="NAME"/>
<attribute name="NAME"/>
</element>
<element name="U$1" library="enclosures" package="1590B" value=""/>
<element name="U$2" library="enclosures" package="LUMBURG_SIDE" value=""/>
<element name="U$3" library="enclosures" package="LUMBURG_SIDE" value=""/>
<element name="U$4" library="enclosures" package="3PDT" value=""/>
<element name="U$5" library="enclosures" package="DC_TOP" value=""/>
<element name="GND" library="supply pins" package="PAD1" value="PADS.RND_LBL"/>
<element name="SW" library="supply pins" package="PAD3" value="PADS.SQR_LBL"/>
<element name="IN" library="supply pins" package="PAD3" value="PADS.SQR_LBL"/>
<element name="OUT" library="supply pins" package="PAD3" value="PADS.SQR_LBL"/>
</elements>
<signals>
<signal name="IN">
<contactref element="R1" pad="2"/>
<contactref element="C1" pad="1"/>
<contactref element="IN" pad="1"/>
</signal>
<signal name="GND">
<contactref element="R1" pad="1"/>
<contactref element="R4" pad="1"/>
<contactref element="C6" pad="2"/>
<contactref element="R10" pad="1"/>
<contactref element="R14" pad="1"/>
<contactref element="R16" pad="1"/>
<contactref element="C13" pad="-"/>
<contactref element="C11" pad="-"/>
<contactref element="IC1" pad="4"/>
<contactref element="R20" pad="1"/>
<contactref element="C12" pad="2"/>
<contactref element="DC" pad="GND"/>
<contactref element="GND" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="R2" pad="1"/>
<contactref element="C1" pad="2"/>
</signal>
<signal name="N$2">
<contactref element="R2" pad="2"/>
<contactref element="Q1" pad="2"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="R4" pad="2"/>
<contactref element="Q1" pad="3"/>
<contactref element="C2" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="C2" pad="1"/>
<contactref element="IC1" pad="3"/>
<contactref element="R5" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="IC1" pad="2"/>
<contactref element="D2" pad="C"/>
<contactref element="D1" pad="A"/>
<contactref element="C3" pad="2"/>
<contactref element="R7" pad="1"/>
<contactref element="C5" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="IC1" pad="1"/>
<contactref element="R8" pad="1"/>
<contactref element="D1" pad="C"/>
<contactref element="D3" pad="A"/>
<contactref element="C3" pad="1"/>
<contactref element="DRIVE" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="D3" pad="C"/>
<contactref element="D2" pad="A"/>
</signal>
<signal name="N$8">
<contactref element="R7" pad="2"/>
<contactref element="DRIVE" pad="3"/>
<contactref element="DRIVE" pad="2"/>
</signal>
<signal name="N$10">
<contactref element="C5" pad="1"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="N$11">
<contactref element="R8" pad="2"/>
<contactref element="R9" pad="1"/>
<contactref element="IC1" pad="5"/>
<contactref element="C6" pad="1"/>
<contactref element="TONE" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="R10" pad="2"/>
<contactref element="C7" pad="2"/>
</signal>
<signal name="N$12">
<contactref element="C7" pad="1"/>
<contactref element="TONE" pad="2"/>
</signal>
<signal name="N$13">
<contactref element="TONE" pad="3"/>
<contactref element="IC1" pad="6"/>
<contactref element="R11" pad="1"/>
</signal>
<signal name="N$14">
<contactref element="IC1" pad="7"/>
<contactref element="C8" pad="2"/>
<contactref element="R11" pad="2"/>
</signal>
<signal name="N$15">
<contactref element="C8" pad="1"/>
<contactref element="R12" pad="1"/>
</signal>
<signal name="N$16">
<contactref element="R12" pad="2"/>
<contactref element="VOL" pad="3"/>
</signal>
<signal name="N$17">
<contactref element="VOL" pad="2"/>
<contactref element="C9" pad="1"/>
</signal>
<signal name="N$18">
<contactref element="C9" pad="2"/>
<contactref element="Q2" pad="2"/>
<contactref element="R13" pad="1"/>
</signal>
<signal name="N$19">
<contactref element="R14" pad="2"/>
<contactref element="Q2" pad="3"/>
<contactref element="R15" pad="1"/>
</signal>
<signal name="N$20">
<contactref element="R15" pad="2"/>
<contactref element="C10" pad="2"/>
</signal>
<signal name="OUT">
<contactref element="C10" pad="1"/>
<contactref element="R16" pad="2"/>
<contactref element="OUT" pad="1"/>
</signal>
<signal name="N$21">
<contactref element="D6" pad="C"/>
<contactref element="R18" pad="2"/>
<contactref element="R17" pad="2"/>
</signal>
<signal name="VC">
<contactref element="R18" pad="1"/>
<contactref element="R19" pad="2"/>
<contactref element="IC1" pad="8"/>
<contactref element="C12" pad="1"/>
<contactref element="C11" pad="+"/>
<contactref element="Q1" pad="1"/>
<contactref element="Q2" pad="1"/>
</signal>
<signal name="VB">
<contactref element="R19" pad="1"/>
<contactref element="C13" pad="+"/>
<contactref element="R20" pad="2"/>
<contactref element="R3" pad="2"/>
<contactref element="R5" pad="2"/>
<contactref element="R9" pad="2"/>
<contactref element="VOL" pad="1"/>
<contactref element="R13" pad="2"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="LED">
<contactref element="LED" pad="ANODE"/>
<contactref element="R17" pad="1"/>
</signal>
<signal name="N$23">
<contactref element="D6" pad="A"/>
<contactref element="DC" pad="PWR"/>
</signal>
<signal name="SW">
<contactref element="LED" pad="P$1"/>
<contactref element="SW" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
