<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.6.2">
<drawing>
<board>
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<wire x1="0" y1="55.88" x2="3.175" y2="59.055" width="0.0508" layer="20" curve="-90"/>
<wire x1="3.175" y1="59.055" x2="115.57" y2="59.055" width="0.0508" layer="20"/>
<wire x1="115.57" y1="59.055" x2="118.745" y2="55.88" width="0.0508" layer="20" curve="-90"/>
<wire x1="118.745" y1="55.88" x2="118.745" y2="1.905" width="0.0508" layer="20"/>
<wire x1="118.745" y1="1.905" x2="115.57" y2="-1.27" width="0.0508" layer="20" curve="-90"/>
<wire x1="115.57" y1="-1.27" x2="3.175" y2="-1.27" width="0.0508" layer="20"/>
<wire x1="3.175" y1="-1.27" x2="0" y2="1.905" width="0.0508" layer="20" curve="-90"/>
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<text>A</text>
<text>B</text>
<text>SEL</text>
<text>A</text>
<text>SEL</text>
<text>B</text>
<text>DATA</text>
<text>NOTE</text>
<text>V/Oct</text>
<text>SMR-4MU voicecard</text>
<text>v0.1</text>
<text>cc-by-sa</text>
<text>Émilie Gillet, jhbruhn</text>
<text>SMR-4MU voicecard</text>
<text>FM</text>
</plain>
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<library name="rcl">
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<package name="RTRIM3296P">
<description>&lt;b&gt;Trimm resistor&lt;/b&gt; BOURNS&lt;p&gt;
Source: &lt;a href="http://www.bourns.com/pdfs/3296.pdf"&gt; Data sheet &lt;/a&gt;</description>
</package>
</packages>
</library>
<library name="holes">
<packages>
<package name="3,3">
<description>&lt;b&gt;MOUNTING HOLE&lt;/b&gt; 3.3 mm with drill center</description>
</package>
<package name="3,0">
<description>&lt;b&gt;MOUNTING HOLE&lt;/b&gt; 3.0 mm with drill center</description>
</package>
</packages>
</library>
<library name="SparkFun">
<packages>
<package name="2X3">
</package>
<package name="1X03">
</package>
<package name="1X06">
</package>
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</library>
<library name="jhbruhn-cdr">
<packages>
<package name="UD-5X5,8_NICHICON">
<description>&lt;b&gt;ALUMINUM ELECTROLYTIC CAPACITORS&lt;/b&gt; UD Series 5 x 5.8 mm&lt;p&gt;
Source: http://products.nichicon.co.jp/en/pdf/XJA043/e-ud.pdf</description>
</package>
<package name="UD-6,3X7,7_NICHICON">
<description>&lt;b&gt;ALUMINUM ELECTROLYTIC CAPACITORS&lt;/b&gt; UD Series 6.3 x 7.7 mm&lt;p&gt;
Source: http://products.nichicon.co.jp/en/pdf/XJA043/e-ud.pdf</description>
</package>
<package name="R0603">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;</description>
</package>
<package name="C0603">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
</package>
<package name="MELF-MLL34">
<description>&lt;b&gt;DIODE&lt;/b&gt;&lt;p&gt;
metal electrode face (MELF)</description>
</package>
</packages>
</library>
<library name="jhbruhn-opamp">
<packages>
<package name="SOIC8">
<description>&lt;b&gt;Small Outline IC&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="jhbruhn-ota">
<packages>
<package name="SO16">
<description>&lt;b&gt;SMALL OUTLINE INTEGRATED CIRCUIT&lt;/b&gt;&lt;p&gt;
body 3.9 mm/JEDEC MS-012AC</description>
</package>
</packages>
</library>
<library name="transistor-neu-to92">
<description>&lt;b&gt;NPN Transistors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SOT23-BEC">
<description>TO-236 ITT Intermetall</description>
</package>
</packages>
</library>
<library name="jhbruhn-dac">
<packages>
<package name="SOIC8">
<description>&lt;b&gt;Small Outline IC&lt;/b&gt;</description>
</package>
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</library>
<library name="jhbruhn-mcu">
<packages>
<package name="TQFP-32">
</package>
</packages>
</library>
<library name="crystal">
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&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="HC49UP">
<description>&lt;b&gt;CRYSTAL&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="led">
<description>&lt;b&gt;LEDs&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;&lt;br&gt;
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<packages>
<package name="CHIP-LED0603">
<description>&lt;b&gt;Hyper CHIPLED Hyper-Bright LED&lt;/b&gt;&lt;p&gt;
LB Q993&lt;br&gt;
Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
</package>
</packages>
</library>
<library name="jhbruhn-ic">
<packages>
<package name="SOIC16N">
<description>&lt;b&gt;SMALL OUTLINE INTEGRATED CIRCUIT&lt;/b&gt;</description>
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</library>
<library name="jhbruhn-transistor">
<packages>
<package name="SOT23">
<description>&lt;b&gt;SOT-23&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="pinhead">
<description>&lt;b&gt;Pin Header Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="1X02">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
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</signal>
<signal name="N$32">
<contactref element="R29" pad="2"/>
<contactref element="C22" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="R26" pad="1"/>
<contactref element="C21" pad="+"/>
</signal>
<signal name="VEE">
<contactref element="JP2" pad="2"/>
<contactref element="R28" pad="1"/>
<contactref element="R24" pad="1"/>
<contactref element="R6" pad="1"/>
<contactref element="R10" pad="1"/>
<contactref element="IC5" pad="4"/>
<contactref element="IC2" pad="6"/>
<contactref element="IC3" pad="6"/>
<contactref element="IC4" pad="6"/>
<contactref element="C3" pad="2"/>
<contactref element="C16" pad="2"/>
<contactref element="C18" pad="2"/>
<contactref element="C19" pad="2"/>
<contactref element="R40" pad="2"/>
<contactref element="U1" pad="4"/>
<contactref element="U2" pad="4"/>
<contactref element="C30" pad="2"/>
<contactref element="IC1" pad="7"/>
<contactref element="C37" pad="2"/>
<contactref element="C34" pad="2"/>
<contactref element="C20" pad="-"/>
</signal>
<signal name="V-REF">
<contactref element="R40" pad="1"/>
<contactref element="D1" pad="2"/>
<contactref element="R20" pad="1"/>
<contactref element="R18" pad="1"/>
</signal>
<signal name="AREF">
<contactref element="U4" pad="20"/>
</signal>
<signal name="N$20">
<contactref element="U4" pad="28"/>
<contactref element="R35" pad="2"/>
</signal>
<signal name="DAC_SCK">
<contactref element="U3" pad="3"/>
<contactref element="U4" pad="2"/>
</signal>
<signal name="DAC_CS">
<contactref element="U4" pad="32"/>
<contactref element="U3" pad="2"/>
</signal>
<signal name="LOG_VCA">
<contactref element="U4" pad="12"/>
</signal>
<signal name="NEG_RESO">
<contactref element="U4" pad="13"/>
</signal>
<signal name="RESET">
<contactref element="U4" pad="29"/>
<contactref element="R39" pad="1"/>
<contactref element="ISP" pad="5"/>
</signal>
<signal name="N$3">
<contactref element="Q5" pad="1"/>
<contactref element="U4" pad="7"/>
<contactref element="C27" pad="2"/>
</signal>
<signal name="N$14">
<contactref element="U4" pad="8"/>
<contactref element="Q5" pad="2"/>
<contactref element="C26" pad="2"/>
</signal>
<signal name="PRE">
<contactref element="C1" pad="-"/>
<contactref element="IC5" pad="1"/>
<contactref element="C31" pad="1"/>
<contactref element="R41" pad="1"/>
</signal>
<signal name="N$15">
<contactref element="C31" pad="2"/>
<contactref element="IC5" pad="2"/>
<contactref element="R41" pad="2"/>
<contactref element="IC1" pad="13"/>
</signal>
<signal name="BP4">
<contactref element="R50" pad="1"/>
<contactref element="R51" pad="1"/>
<contactref element="IC1" pad="14"/>
<contactref element="R56" pad="1"/>
<contactref element="R52" pad="1"/>
</signal>
<signal name="NO">
<contactref element="R43" pad="1"/>
<contactref element="R45" pad="1"/>
<contactref element="R44" pad="1"/>
<contactref element="IC1" pad="11"/>
<contactref element="R57" pad="1"/>
<contactref element="R58" pad="1"/>
</signal>
<signal name="HP3">
<contactref element="R46" pad="1"/>
<contactref element="R48" pad="1"/>
<contactref element="R47" pad="1"/>
<contactref element="IC1" pad="15"/>
<contactref element="R60" pad="1"/>
<contactref element="R59" pad="1"/>
<contactref element="R62" pad="1"/>
<contactref element="R61" pad="1"/>
<contactref element="R49" pad="1"/>
</signal>
<signal name="LP4">
<contactref element="R42" pad="1"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="N$6">
<contactref element="C33" pad="1"/>
<contactref element="IC1" pad="1"/>
<contactref element="IC1" pad="5"/>
</signal>
<signal name="N$22">
<contactref element="C32" pad="1"/>
<contactref element="IC1" pad="4"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="CAPIN">
<contactref element="IC1" pad="3"/>
<contactref element="IC3" pad="5"/>
<contactref element="IC3" pad="7"/>
</signal>
<signal name="MUXA">
<contactref element="IC1" pad="10"/>
<contactref element="R53" pad="2"/>
<contactref element="Q6" pad="3"/>
</signal>
<signal name="MUXB">
<contactref element="IC1" pad="9"/>
<contactref element="Q7" pad="3"/>
<contactref element="R54" pad="2"/>
</signal>
<signal name="MUXTA">
<contactref element="U4" pad="23"/>
<contactref element="Q6" pad="1"/>
</signal>
<signal name="MUXTB">
<contactref element="U4" pad="24"/>
<contactref element="Q7" pad="1"/>
</signal>
<signal name="N$25">
<contactref element="R55" pad="1"/>
<contactref element="JP5" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
