<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.7.0">
<drawing>
<board>
<plain>
<wire x1="9.25" y1="40.11" x2="42.4475" y2="40.105" width="0" layer="20"/>
<wire x1="42.4475" y1="40.105" x2="42.4475" y2="78.1175" width="0" layer="20"/>
<wire x1="42.4475" y1="78.1175" x2="9.25" y2="78.1225" width="0" layer="20"/>
<wire x1="9.25" y1="78.1225" x2="9.25" y2="40.11" width="0" layer="20"/>
</plain>
<libraries>
<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="potentiometers">
<packages>
<package name="9MM_W/MOUNTS">
</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="R0207/3">
<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="diodes">
<description>&lt;b&gt;Diodes&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;Zener 1N47xx (as in protection for the MOSFET in the AMZ MOSFET Booster)
&lt;li&gt;rectifier 1N4001-1N4008 (for polarity reversal protection in power supply sections)
&lt;li&gt;clipping 1N914 (as in a TS808)
&lt;li&gt;LED (light emitting diode, 3mm and 5mm)
&lt;li&gt;mostly gathered from Eagle libraries
&lt;/ul&gt;</description>
<packages>
<package name="LED3MM">
<description>&lt;B&gt;LED&lt;/B&gt;&lt;p&gt;
3 mm, round</description>
</package>
</packages>
</library>
<library name="switches">
<description>&lt;b&gt;Switches&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;SPST, SPDT, DPDT, 3PDT
&lt;/ul&gt;</description>
<packages>
<package name="DPDT2_PCB">
</package>
<package name="M9040P">
<description>&lt;b&gt;TOGGLE SWITCH&lt;/b&gt;&lt;p&gt;
Marquardt</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="PH.P.SW" library="switches" package="M9040P" value="SPDT">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="PH.P." library="1776_SUPPLY" package="OCTOGON" value="">
<attribute name="NAME"/>
</element>
<element name="XLR2" library="1776_SUPPLY" package="OCTOGON" value="XLR2">
<attribute name="NAME"/>
</element>
<element name="48V" library="1776_SUPPLY" package="SQUARE" value="">
<attribute name="NAME"/>
</element>
<element name="R15" library="resistors" package="R0207/3" value="22K"/>
<element name="PPLED" library="diodes" package="LED3MM" value="LED3MM">
<attribute name="NAME"/>
</element>
<element name="GAIN1" library="1776_SUPPLY" package="SQUARE" value="">
<attribute name="NAME"/>
</element>
<element name="GAIN2" library="1776_SUPPLY" package="SQUARE" value="">
<attribute name="NAME"/>
</element>
<element name="GAIN" library="potentiometers" package="9MM_W/MOUNTS" value="10KA"/>
<element name="G" library="1776_SUPPLY" package="OCTOGON" value="Gnd">
<attribute name="NAME"/>
</element>
<element name="XLR3" library="1776_SUPPLY" package="OCTOGON" value="XLR3">
<attribute name="NAME"/>
</element>
<element name="PHASE" library="switches" package="DPDT2_PCB" value="">
<attribute name="NAME"/>
</element>
<element name="R17" library="resistors" package="R0207/3" value="47R"/>
<element name="PAD" library="switches" package="DPDT2_PCB" value="">
<attribute name="NAME"/>
</element>
<element name="R18" library="resistors" package="R0207/3" value="2k2"/>
<element name="R20" library="resistors" package="R0207/3" value="10K"/>
<element name="R19" library="resistors" package="R0207/3" value="10K"/>
<element name="IXP-" library="1776_SUPPLY" package="OCTOGON" value="XP-"/>
<element name="IXP+" library="1776_SUPPLY" package="OCTOGON" value="XP+"/>
</elements>
<signals>
<signal name="GND">
<contactref element="PH.P.SW" pad="3"/>
<contactref element="G" pad="1"/>
<contactref element="R15" pad="2"/>
<contactref element="R17" pad="2"/>
</signal>
<signal name="N$7">
<contactref element="GAIN1" pad="1"/>
<contactref element="GAIN" pad="P$3"/>
</signal>
<signal name="N$26">
<contactref element="R15" pad="1"/>
<contactref element="PPLED" pad="K"/>
</signal>
<signal name="N$1">
<contactref element="GAIN2" pad="1"/>
<contactref element="GAIN" pad="P$2"/>
</signal>
<signal name="N$5">
<contactref element="PH.P.SW" pad="1"/>
<contactref element="48V" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="PHASE" pad="A3"/>
<contactref element="XLR3" pad="1"/>
<contactref element="PHASE" pad="B1"/>
</signal>
<signal name="N$8">
<contactref element="PHASE" pad="A1"/>
<contactref element="XLR2" pad="1"/>
<contactref element="PHASE" pad="B3"/>
</signal>
<signal name="N$9">
<contactref element="PH.P.SW" pad="2"/>
<contactref element="PH.P." pad="1"/>
<contactref element="PPLED" pad="A"/>
</signal>
<signal name="N$10">
<contactref element="R17" pad="1"/>
<contactref element="GAIN" pad="P$1"/>
</signal>
<signal name="N$2">
<contactref element="R19" pad="1"/>
<contactref element="PAD" pad="A1"/>
<contactref element="PHASE" pad="A2"/>
</signal>
<signal name="N$3">
<contactref element="PAD" pad="A2"/>
<contactref element="R19" pad="2"/>
<contactref element="IXP+" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="PAD" pad="B1"/>
<contactref element="R20" pad="1"/>
<contactref element="PHASE" pad="B2"/>
</signal>
<signal name="N$11">
<contactref element="PAD" pad="B2"/>
<contactref element="R20" pad="2"/>
<contactref element="IXP-" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="PAD" pad="A3"/>
<contactref element="R18" pad="1"/>
</signal>
<signal name="N$13">
<contactref element="PAD" pad="B3"/>
<contactref element="R18" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
