<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.7.0">
<drawing>
<board>
<plain>
<wire x1="0.55104375" y1="41.835584375" x2="1.8420625" y2="13.520696875" width="0" layer="20"/>
<wire x1="1.8420625" y1="13.520696875" x2="3.17203125" y2="12.25" width="0" layer="20" curve="87.389377"/>
<wire x1="3.17203125" y1="12.25" x2="36.82993125" y2="12.25" width="0" layer="20"/>
<wire x1="36.82993125" y1="12.25" x2="38.15980625" y2="13.518678125" width="0" layer="20" curve="87.301867"/>
<wire x1="38.15980625" y1="13.518678125" x2="39.493934375" y2="41.819690625" width="0" layer="20"/>
<wire x1="39.493934375" y1="41.819690625" x2="36.841578125" y2="44.6" width="0" layer="20" curve="92.699045"/>
<wire x1="36.841578125" y1="44.6" x2="3.192278125" y2="44.6" width="0" layer="20"/>
<wire x1="3.192278125" y1="44.6" x2="0.55104375" y2="41.835584375" width="0" layer="20" curve="92.610819"/>
<hole x="3" y="31.5" drill="1.583"/>
<hole x="37" y="31.5" drill="1.583"/>
<hole x="3.75" y="28.25" drill="1.583"/>
<hole x="36.25" y="28.25" drill="1.583"/>
</plain>
<libraries>
<library name="capacitors-film">
<packages>
<package name="050X030_025_2">
<description>&lt;b&gt;5mm x 3mm, 0.2" pad spacing&lt;/b&gt;</description>
</package>
<package name="BOX_SMALL">
</package>
</packages>
</library>
<library name="capacitors-elec">
<packages>
<package name="080_035">
<description>&lt;b&gt;8mm diameter, 3.5 mm lead spacing&lt;/b&gt;
&lt;p&gt;7mm height/length and more</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>
</packages>
</library>
<library name="1776_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>
<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>
<library name="inductors">
<packages>
<package name="7MM">
</package>
</packages>
</library>
<library name="transistors">
<packages>
<package name="TO92-">
</package>
</packages>
</library>
<library name="resistors">
<packages>
<package name="R0207/3">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;br&gt;
&lt;br&gt;
length: 6mm&lt;br&gt;
format: 0.1" (perfboard)&lt;br&gt;
spacing: 3 holes

&lt;p&gt;This length resistor applies to 1/4 watt metal film.</description>
</package>
</packages>
</library>
<library name="potentiometers">
<packages>
<package name="2262_TRIM">
<description>&lt;b&gt;Potentiometer&lt;/b&gt;&lt;p&gt;
1/4" on-board trim potentiometer</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="capacitors-film" package="050X030_025_2" value="10pF"/>
<element name="C2" library="capacitors-film" package="050X030_025_2" value="27pF"/>
<element name="C3" library="capacitors-film" package="050X030_025_2" value="1nF"/>
<element name="C4" library="capacitors-film" package="BOX_SMALL" value="100nF"/>
<element name="C6" library="capacitors-film" package="BOX_SMALL" value="100nF"/>
<element name="C8" library="capacitors-film" package="BOX_SMALL" value="100nF"/>
<element name="C7" library="capacitors-elec" package="080_035" value="220uF"/>
<element name="D1" library="diodes" package="DO41-3" value="1n4148"/>
<element name="D2" library="diodes" package="DO41-3" value="1n4148"/>
<element name="L2" library="inductors" package="7MM" value="100uH"/>
<element name="L1" library="inductors" package="7MM" value="150uH"/>
<element name="OSC" library="1776_SUPPLY" package="OCTOGON" value="OSC"/>
<element name="Q1" library="transistors" package="TO92-" value="2N5551"/>
<element name="R1" library="resistors" package="R0207/3" value="750K"/>
<element name="R2" library="resistors" package="R0207/3" value="1M"/>
<element name="BACK" library="1776_SUPPLY" package="SQUARE" value=""/>
<element name="POLTRIM" library="potentiometers" package="2262_TRIM" value="10K"/>
<element name="." library="1776_SUPPLY" package="OCTOGON" value=""/>
<element name="R3" library="resistors" package="R0207/3" value="1G"/>
<element name="C5" library="capacitors-film" package="BOX_SMALL" value="100nF"/>
<element name="G" library="1776_SUPPLY" package="OCTOGON" value=""/>
<element name="G2" library="1776_SUPPLY" package="OCTOGON" value="">
<attribute name="NAME"/>
</element>
</elements>
<signals>
<signal name="N$1">
<contactref element="Q1" pad="1"/>
<contactref element="R1" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="D1" pad="A"/>
<contactref element="C8" pad="1"/>
<contactref element="C7" pad="+"/>
<contactref element="POLTRIM" pad="3"/>
</signal>
<signal name="N$2">
<contactref element="Q1" pad="2"/>
<contactref element="R1" pad="1"/>
<contactref element="C1" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="C2" pad="1"/>
<contactref element="Q1" pad="3"/>
<contactref element="L2" pad="1"/>
<contactref element="L1" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="L1" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="C3" pad="2"/>
</signal>
<signal name="GND">
<contactref element="C6" pad="2"/>
<contactref element="C7" pad="-"/>
<contactref element="C8" pad="2"/>
<contactref element="L2" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="G" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="G2" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="C3" pad="1"/>
<contactref element="D1" pad="C"/>
<contactref element="D2" pad="A"/>
</signal>
<signal name="N$7">
<contactref element="D2" pad="C"/>
<contactref element="C4" pad="2"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="BACK" pad="1"/>
<contactref element="R3" pad="2"/>
<contactref element="C6" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="POLTRIM" pad="1"/>
<contactref element="OSC" pad="1"/>
<contactref element="POLTRIM" pad="2"/>
<contactref element="." pad="1"/>
</signal>
<signal name="N$9">
<contactref element="R2" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="C5" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
