<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.5.0">
<drawing>
<board>
<plain>
<wire x1="38.405" y1="-2.54" x2="38.405" y2="38.09" width="0" layer="20"/>
<wire x1="38.405" y1="38.09" x2="-0.635" y2="38.09" width="0" layer="20"/>
<wire x1="-0.635" y1="38.1" x2="38.735" y2="38.1" width="0.4064" layer="20"/>
<wire x1="38.735" y1="38.1" x2="38.735" y2="-2.54" width="0.4064" layer="20"/>
<wire x1="38.735" y1="-2.54" x2="38.405" y2="-2.54" width="0.4064" layer="20"/>
<wire x1="38.405" y1="-2.54" x2="-0.635" y2="-2.54" width="0.4064" layer="20"/>
<wire x1="-0.635" y1="-2.54" x2="-0.635" y2="38.09" width="0.4064" layer="20"/>
<text>PEQv1</text>
<wire x1="-0.635" y1="38.09" x2="-0.635" y2="38.1" width="0.4064" layer="20"/>
</plain>
<libraries>
<library name="potentiometers">
<packages>
<package name="PADS_SMALL">
<description>&lt;b&gt;Potentiometer&lt;/b&gt;
&lt;p&gt;3 terminals for circuit board for wires connecting to 3 lugs of pot off-board</description>
</package>
</packages>
</library>
<library name="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="050X030_025_2">
<description>&lt;b&gt;5mm x 3mm, 0.2" pad spacing&lt;/b&gt;</description>
</package>
<package name="050X030_025">
<description>&lt;b&gt;5mm x 3mm, 2.5mm lead spacing
&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="capacitors-elec">
<description>&lt;b&gt;Capacitors, Polar Electrolytic, Radial &lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;large value capacitors: .22 - 470uF (uF = µF = mF)
&lt;li&gt;often used in power supply filters
&lt;/ul&gt;</description>
<packages>
<package name="050_020_1">
<description>&lt;b&gt;5mm diameter, 2mm lead spacing, 0.1" pad spacing&lt;/b&gt;</description>
</package>
<package name="063_025">
<description>&lt;b&gt;6.3mm diameter, 2.5 mm lead spacing, 0.1" pad spacing&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="integrated circuits">
<description>&lt;b&gt;Integrated Circuits&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;mostly op amps (e.g., 4558, TL072)&lt;/li&gt;
&lt;li&gt;also CD4049 (for Anderton's Tube Sound Fuzz, the Red Llama, ...)
&lt;li&gt;generally gathered from Eagle libraries
&lt;/ul&gt;</description>
<packages>
<package name="DIL08">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
<package name="DIL14">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="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="gm-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="SQUARE">
<description>&lt;b&gt;Square 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="BOOST" library="potentiometers" package="PADS_SMALL" value="100kB"/>
<element name="C1" library="capacitors-film" package="050X030_025_2" value="0.1uF">
<attribute name="NAME"/>
</element>
<element name="C2" library="capacitors-film" package="050X030_025_2" value="1uF">
<attribute name="NAME"/>
</element>
<element name="C3" library="capacitors-film" package="050X030_025" value="2.2nF">
<attribute name="NAME"/>
</element>
<element name="C4" library="capacitors-film" package="050X030_025" value="2.2nF">
<attribute name="NAME"/>
</element>
<element name="C5" library="capacitors-film" package="050X030_025_2" value="1uF">
<attribute name="NAME"/>
</element>
<element name="C6" library="capacitors-elec" package="050_020_1" value="22uF">
<attribute name="NAME"/>
</element>
<element name="FREQA" library="potentiometers" package="PADS_SMALL" value="100kC"/>
<element name="FREQB" library="potentiometers" package="PADS_SMALL" value="100kC">
<attribute name="NAME"/>
</element>
<element name="IC1" library="integrated circuits" package="DIL08" value="TL062">
<attribute name="NAME"/>
</element>
<element name="IC2" library="integrated circuits" package="DIL14" value="TL064">
<attribute name="NAME"/>
</element>
<element name="Q" library="potentiometers" package="PADS_SMALL" value="100kB"/>
<element name="R1" library="resistors" package="R0207/2V" value="1M">
<attribute name="NAME"/>
</element>
<element name="R10" library="resistors" package="R0207/2V" value="1K">
<attribute name="NAME"/>
</element>
<element name="R11" library="resistors" package="R0207/2V" value="10K">
<attribute name="NAME"/>
</element>
<element name="R12" library="resistors" package="R0207/2V" value="1K">
<attribute name="NAME"/>
</element>
<element name="R13" library="resistors" package="R0207/2V" value="10K">
<attribute name="NAME"/>
</element>
<element name="R14" library="resistors" package="R0207/2V" value="100K">
<attribute name="NAME"/>
</element>
<element name="R15" library="resistors" package="R0207/2V" value="100K">
<attribute name="NAME"/>
</element>
<element name="R16" library="resistors" package="R0207/2V" value="100K">
<attribute name="NAME"/>
</element>
<element name="R3" library="resistors" package="R0207/2V" value="100K">
<attribute name="NAME"/>
</element>
<element name="R4" library="resistors" package="R0207/2V" value="100K">
<attribute name="NAME"/>
</element>
<element name="R5" library="resistors" package="R0207/2V" value="22K">
<attribute name="NAME"/>
</element>
<element name="R6" library="resistors" package="R0207/2V" value="51K">
<attribute name="NAME"/>
</element>
<element name="R7" library="resistors" package="R0207/2V" value="6.8K">
<attribute name="NAME"/>
</element>
<element name="R8" library="resistors" package="R0207/2V" value="100K">
<attribute name="NAME"/>
</element>
<element name="R9" library="resistors" package="R0207/2V" value="51K">
<attribute name="NAME"/>
</element>
<element name="R17" library="resistors" package="R0207/2V" value="100K">
<attribute name="NAME"/>
</element>
<element name="C7" library="capacitors-elec" package="063_025" value="47uF">
<attribute name="NAME"/>
</element>
<element name="I" library="gm-supply" package="SQUARE" value=""/>
<element name="O" library="gm-supply" package="SQUARE" value=""/>
<element name="G" library="gm-supply" package="SQUARE" value=""/>
<element name="+9" library="gm-supply" package="SQUARE" value=""/>
</elements>
<signals>
<signal name="GND">
<contactref element="R16" pad="1"/>
<contactref element="C6" pad="-"/>
<contactref element="IC1" pad="4"/>
<contactref element="IC2" pad="11"/>
<contactref element="C7" pad="-"/>
<contactref element="G" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="R3" pad="1"/>
<contactref element="R4" pad="1"/>
<contactref element="R5" pad="1"/>
<contactref element="IC2" pad="6"/>
</signal>
<signal name="N$5">
<contactref element="R5" pad="2"/>
<contactref element="C2" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="R6" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="FREQB" pad="3"/>
<contactref element="IC2" pad="5"/>
<contactref element="IC2" pad="8"/>
</signal>
<signal name="N$7">
<contactref element="R6" pad="1"/>
<contactref element="Q" pad="3"/>
<contactref element="IC2" pad="3"/>
</signal>
<signal name="N$8">
<contactref element="Q" pad="1"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="N$10">
<contactref element="R8" pad="1"/>
<contactref element="R9" pad="1"/>
<contactref element="R14" pad="1"/>
<contactref element="IC2" pad="2"/>
</signal>
<signal name="N$11">
<contactref element="R8" pad="2"/>
<contactref element="FREQA" pad="3"/>
<contactref element="IC2" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="FREQA" pad="1"/>
<contactref element="R10" pad="2"/>
</signal>
<signal name="VR">
<contactref element="R7" pad="1"/>
<contactref element="R9" pad="2"/>
<contactref element="R10" pad="1"/>
<contactref element="R12" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="R1" pad="2"/>
<contactref element="IC1" pad="2"/>
<contactref element="IC1" pad="1"/>
<contactref element="C6" pad="+"/>
<contactref element="IC2" pad="10"/>
<contactref element="IC2" pad="12"/>
</signal>
<signal name="N$14">
<contactref element="FREQA" pad="2"/>
<contactref element="R11" pad="1"/>
</signal>
<signal name="N$15">
<contactref element="R11" pad="2"/>
<contactref element="C3" pad="1"/>
<contactref element="IC2" pad="9"/>
</signal>
<signal name="N$17">
<contactref element="FREQB" pad="1"/>
<contactref element="R12" pad="2"/>
</signal>
<signal name="N$18">
<contactref element="FREQB" pad="2"/>
<contactref element="R13" pad="1"/>
</signal>
<signal name="N$19">
<contactref element="R13" pad="2"/>
<contactref element="C4" pad="1"/>
<contactref element="IC2" pad="13"/>
</signal>
<signal name="N$20">
<contactref element="C4" pad="2"/>
<contactref element="R14" pad="2"/>
<contactref element="IC2" pad="14"/>
</signal>
<signal name="V+">
<contactref element="R15" pad="2"/>
<contactref element="IC1" pad="8"/>
<contactref element="IC2" pad="4"/>
<contactref element="C7" pad="+"/>
<contactref element="+9" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="R4" pad="2"/>
<contactref element="BOOST" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="IC2" pad="7"/>
</signal>
<signal name="N$4">
<contactref element="C1" pad="2"/>
<contactref element="R1" pad="1"/>
<contactref element="IC1" pad="5"/>
</signal>
<signal name="N$13">
<contactref element="C1" pad="1"/>
<contactref element="I" pad="1"/>
</signal>
<signal name="N$16">
<contactref element="C5" pad="2"/>
<contactref element="O" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="IC1" pad="6"/>
<contactref element="IC1" pad="7"/>
<contactref element="BOOST" pad="3"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$22">
<contactref element="R15" pad="1"/>
<contactref element="R16" pad="2"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="N$9">
<contactref element="Q" pad="2"/>
<contactref element="R17" pad="2"/>
</signal>
<signal name="N$24">
<contactref element="R17" pad="1"/>
<contactref element="BOOST" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
