<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.5.0">
<drawing>
<board>
<plain>
<wire x1="0.01" y1="29.732853125" x2="0.01" y2="1.9016375" width="0" layer="20"/>
<wire x1="0.01" y1="1.9016375" x2="1.9116375" y2="0" width="0" layer="20" curve="90"/>
<wire x1="1.9116375" y1="0" x2="20.928725" y2="0" width="0" layer="20"/>
<wire x1="20.928725" y1="0" x2="22.86" y2="1.931275" width="0" layer="20" curve="90"/>
<wire x1="22.86" y1="1.931275" x2="22.86" y2="29.8099375" width="0" layer="20"/>
<wire x1="22.86" y1="29.8099375" x2="20.9324375" y2="31.7375" width="0" layer="20" curve="90"/>
<wire x1="20.9324375" y1="31.7375" x2="2.014646875" y2="31.7375" width="0" layer="20"/>
<wire x1="2.014646875" y1="31.7375" x2="0.01" y2="29.732853125" width="0" layer="20" curve="90"/>
<text>BUFFER</text>
<text>SJ EFFECTS</text>
<text>For DIY Use Only</text>
</plain>
<libraries>
<library name="gm-caps-film-box">
<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="gm-ics">
<packages>
<package name="DIL08">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="gm-caps-electro-pol">
<packages>
<package name="050_020_1">
<description>&lt;b&gt;5mm diameter, 2mm lead spacing, 0.1" pad spacing&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="gm-diodes">
<packages>
<package name="DO41-2">
<description>&lt;b&gt;DO-41 0.2" pad spacing&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="R0207/2V">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;br&gt;
&lt;br&gt;
vertical placement&lt;br&gt;
format: 0.1" (perfboard)&lt;br&gt;
spacing: 2 holes

&lt;p&gt;This length resistor applies to 1/4 watt metal film.</description>
</package>
</packages>
</library>
<library name="MB12_capacitors-film">
<description>&lt;b&gt;Capacitors, Ceramic&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;very small capacitances: 1 - 1000pF
&lt;/ul&gt;</description>
<packages>
<package name="BOX_BIG">
</package>
</packages>
</library>
<library name="SJR_jacks">
<description>&lt;b&gt;Jacks&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;audio and power jacks
&lt;li&gt;off-board versions and just pads for the circuit board
&lt;/ul&gt;</description>
<packages>
<package name="NMJ6HC-S">
</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="ROUND">
<description>&lt;b&gt;Round 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>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="gm-caps-film-box" package="072X025" value="100n"/>
<element name="IC1" library="gm-ics" package="DIL08" value="TL072">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="MB12_resistors" package="R0207/2V" value="1M"/>
<element name="R2" library="MB12_resistors" package="R0207/2V" value="100k"/>
<element name="R3" library="MB12_resistors" package="R0207/2V" value="560R"/>
<element name="D1" library="gm-diodes" package="DO41-2" value="1N4001"/>
<element name="C3" library="gm-caps-electro-pol" package="050_020_1" value="100uF"/>
<element name="R4" library="MB12_resistors" package="R0207/2V" value="100K"/>
<element name="R5" library="MB12_resistors" package="R0207/2V" value="100K"/>
<element name="C5" library="gm-caps-electro-pol" package="050_020_1" value="47uF"/>
<element name="GND" library="mb_supply" package="ROUND" value="">
<attribute name="NAME"/>
</element>
<element name="+V" library="mb_supply" package="ROUND" value="">
<attribute name="NAME"/>
</element>
<element name="J1" library="SJR_jacks" package="NMJ6HC-S" value="STEREOSWS"/>
<element name="C2" library="MB12_capacitors-film" package="BOX_BIG" value="1uF"/>
<element name="GND4" library="mb_supply" package="ROUND" value=""/>
<element name="OUT" library="mb_supply" package="ROUND" value="">
<attribute name="NAME"/>
</element>
</elements>
<signals>
<signal name="BUF_IN">
<contactref element="C1" pad="2"/>
<contactref element="IC1" pad="3"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="R3" pad="1"/>
<contactref element="R2" pad="1"/>
<contactref element="C2" pad="2"/>
</signal>
<signal name="GND">
<contactref element="R2" pad="2"/>
<contactref element="C5" pad="-"/>
<contactref element="C3" pad="-"/>
<contactref element="D1" pad="A"/>
<contactref element="IC1" pad="4"/>
<contactref element="R5" pad="2"/>
<contactref element="GND" pad="1"/>
<contactref element="J1" pad="S"/>
<contactref element="J1" pad="SN"/>
<contactref element="GND4" pad="1"/>
<contactref element="J1" pad="TN"/>
</signal>
<signal name="+9V">
<contactref element="IC1" pad="8"/>
<contactref element="D1" pad="C"/>
<contactref element="C3" pad="+"/>
<contactref element="R4" pad="1"/>
<contactref element="+V" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="IC1" pad="5"/>
<contactref element="R4" pad="2"/>
<contactref element="C5" pad="+"/>
<contactref element="R5" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="IC1" pad="1"/>
<contactref element="IC1" pad="2"/>
<contactref element="C2" pad="1"/>
</signal>
<signal name="VR">
<contactref element="IC1" pad="6"/>
<contactref element="IC1" pad="7"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="IN">
<contactref element="J1" pad="T"/>
<contactref element="C1" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="R3" pad="2"/>
<contactref element="OUT" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
