<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.1">
<drawing>
<board>
<plain>
<wire x1="0.635" y1="1.26" x2="-0.635" y2="1.26" width="0" layer="20"/>
<wire x1="0" y1="0" x2="0" y2="71.755" width="0" layer="20"/>
<wire x1="0" y1="71.755" x2="100.33" y2="71.755" width="0" layer="20"/>
<wire x1="100.33" y1="71.755" x2="100.33" y2="0" width="0" layer="20"/>
<wire x1="100.33" y1="0" x2="0" y2="0" width="0" layer="20"/>
</plain>
<libraries>
<library name="st-microelectronics">
<packages>
<package name="MULTIWATT-15">
<description>&lt;b&gt;Multiwatt 15 lead&lt;/b&gt;</description>
</package>
<package name="DIL20">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="0204/7">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0204, grid 7.5 mm</description>
</package>
<package name="C025-025X050">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.5 mm, outline 2.5 x 5 mm</description>
</package>
<package name="E15-5">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 15.24 mm, diameter 5 mm</description>
</package>
<package name="C075-042X103">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 7.5 mm, outline 4.2 x 10.3 mm</description>
</package>
<package name="0617/22">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0617, grid 22.5 mm</description>
</package>
<package name="0207/7">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 7.5 mm</description>
</package>
<package name="C050-025X075">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 5 mm, outline 2.5 x 7.5 mm</description>
</package>
<package name="E15-9">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 15.24 mm, diameter 9 mm</description>
</package>
</packages>
</library>
<library name="diode">
<packages>
<package name="SOD61E">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 3.5 mm, vertical, grid 20.32 mm</description>
</package>
</packages>
</library>
<library name="pinhead">
<packages>
<package name="1X04">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X02">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X03">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="pot">
<packages>
<package name="LI10">
<description>&lt;b&gt;POTENTIOMETER&lt;/b&gt;&lt;p&gt;
Piher</description>
</package>
</packages>
</library>
<library name="con-wago-500">
<description>&lt;b&gt;Wago Screw Clamps&lt;/b&gt;&lt;p&gt;
Grid 5.00 mm&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="W237-4">
<description>&lt;b&gt;WAGO SCREW CLAMP&lt;/b&gt;</description>
</package>
<package name="W237-113">
<description>&lt;b&gt;WAGO SCREW CLAMP&lt;/b&gt;</description>
</package>
<package name="W237-102">
<description>&lt;b&gt;WAGO SCREW CLAMP&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="heatsink">
<description>&lt;b&gt;Heatsinks&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="FK222">
<description>&lt;b&gt;HEATSINK&lt;/b&gt;&lt;p&gt; manufacturer Fischer/distributor Buerklin</description>
</package>
</packages>
</library>
<library name="holes">
<description>&lt;b&gt;Mounting Holes and Pads&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="3,2-PAD">
<description>&lt;b&gt;MOUNTING PAD&lt;/b&gt; 3.2 mm, round</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="st-microelectronics" package="MULTIWATT-15" value="L298"/>
<element name="IC2" library="st-microelectronics" package="DIL20" value="L297"/>
<element name="R1" library="rcl" package="0204/7" value=""/>
<element name="C3" library="rcl" package="C025-025X050" value=""/>
<element name="R4" library="rcl" package="0204/7" value=""/>
<element name="R5" library="pot" package="LI10" value=""/>
<element name="JP3" library="pinhead" package="1X02" value=""/>
<element name="JP4" library="pinhead" package="1X03" value=""/>
<element name="JP5" library="pinhead" package="1X04" value=""/>
<element name="C6" library="rcl" package="E15-5" value=""/>
<element name="C4" library="rcl" package="C075-042X103" value=""/>
<element name="R7" library="rcl" package="0617/22" value=""/>
<element name="R2" library="rcl" package="0617/22" value=""/>
<element name="R3" library="rcl" package="0207/7" value=""/>
<element name="C5" library="rcl" package="C050-025X075" value=""/>
<element name="X1" library="con-wago-500" package="W237-4" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="D5" library="diode" package="SOD61E" value="BY712"/>
<element name="D6" library="diode" package="SOD61E" value="BY712"/>
<element name="D8" library="diode" package="SOD61E" value="BY712"/>
<element name="D7" library="diode" package="SOD61E" value="BY712"/>
<element name="D1" library="diode" package="SOD61E" value="BY712"/>
<element name="D2" library="diode" package="SOD61E" value="BY712"/>
<element name="D3" library="diode" package="SOD61E" value="BY712"/>
<element name="D4" library="diode" package="SOD61E" value="BY712"/>
<element name="C1" library="rcl" package="E15-9" value=""/>
<element name="X6" library="con-wago-500" package="W237-113" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="X2" library="con-wago-500" package="W237-102" value="">
<attribute name="OC_NEWARK" value="70K9898"/>
<attribute name="MPN" value="237-102"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="H1" library="holes" package="3,2-PAD" value="MOUNT-PAD-ROUND3.2"/>
<element name="H2" library="holes" package="3,2-PAD" value="MOUNT-PAD-ROUND3.2"/>
<element name="H3" library="holes" package="3,2-PAD" value="MOUNT-PAD-ROUND3.2"/>
<element name="H4" library="holes" package="3,2-PAD" value="MOUNT-PAD-ROUND3.2"/>
<element name="R6" library="rcl" package="0204/7" value=""/>
<element name="JP1" library="pinhead" package="1X02" value=""/>
<element name="JP2" library="pinhead" package="1X02" value=""/>
<element name="KK1" library="heatsink" package="FK222" value="FK222"/>
<element name="KK2" library="heatsink" package="FK222" value="FK222"/>
</elements>
<signals>
<signal name="GND">
<contactref element="IC2" pad="2"/>
<contactref element="IC1" pad="8"/>
<contactref element="C3" pad="1"/>
<contactref element="JP3" pad="2"/>
<contactref element="JP4" pad="3"/>
<contactref element="C6" pad="-"/>
<contactref element="C4" pad="2"/>
<contactref element="R2" pad="1"/>
<contactref element="R7" pad="1"/>
<contactref element="R5" pad="A"/>
<contactref element="C5" pad="2"/>
<contactref element="D5" pad="A"/>
<contactref element="D6" pad="A"/>
<contactref element="D8" pad="A"/>
<contactref element="D7" pad="A"/>
<contactref element="C1" pad="-"/>
<contactref element="X6" pad="2"/>
<contactref element="X2" pad="2"/>
<contactref element="JP1" pad="2"/>
<contactref element="JP2" pad="1"/>
<contactref element="H4" pad="B3,2"/>
<contactref element="H3" pad="B3,2"/>
<contactref element="H2" pad="B3,2"/>
<contactref element="H1" pad="B3,2"/>
<contactref element="KK1" pad="B2,8"/>
<contactref element="KK2" pad="B2,8"/>
<contactref element="KK1" pad="A2,8"/>
<contactref element="KK2" pad="A2,8"/>
</signal>
<signal name="N$2">
<contactref element="X1" pad="4"/>
<contactref element="IC1" pad="2"/>
<contactref element="D5" pad="C"/>
<contactref element="D1" pad="A"/>
</signal>
<signal name="N$3">
<contactref element="X1" pad="3"/>
<contactref element="IC1" pad="3"/>
<contactref element="D6" pad="C"/>
<contactref element="D2" pad="A"/>
</signal>
<signal name="N$4">
<contactref element="IC1" pad="13"/>
<contactref element="D7" pad="C"/>
<contactref element="D3" pad="A"/>
<contactref element="X1" pad="2"/>
</signal>
<signal name="N$7">
<contactref element="IC1" pad="14"/>
<contactref element="D8" pad="C"/>
<contactref element="D4" pad="A"/>
<contactref element="X1" pad="1"/>
</signal>
<signal name="N$10">
<contactref element="IC1" pad="15"/>
<contactref element="IC2" pad="13"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="N$11">
<contactref element="IC1" pad="1"/>
<contactref element="IC2" pad="14"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="IC2" pad="8"/>
<contactref element="IC1" pad="11"/>
</signal>
<signal name="N$5">
<contactref element="IC2" pad="5"/>
<contactref element="IC1" pad="6"/>
</signal>
<signal name="N$8">
<contactref element="IC1" pad="5"/>
<contactref element="IC2" pad="4"/>
</signal>
<signal name="N$9">
<contactref element="IC2" pad="9"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="N$12">
<contactref element="IC2" pad="7"/>
<contactref element="IC1" pad="10"/>
</signal>
<signal name="N$13">
<contactref element="IC2" pad="6"/>
<contactref element="IC1" pad="7"/>
</signal>
<signal name="N$15">
<contactref element="IC2" pad="11"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="+5V">
<contactref element="R1" pad="2"/>
<contactref element="IC2" pad="12"/>
<contactref element="R4" pad="2"/>
<contactref element="IC1" pad="9"/>
<contactref element="JP4" pad="1"/>
<contactref element="JP5" pad="4"/>
<contactref element="R3" pad="2"/>
<contactref element="C5" pad="1"/>
<contactref element="C1" pad="+"/>
<contactref element="X2" pad="1"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="N$18">
<contactref element="R4" pad="1"/>
<contactref element="C3" pad="2"/>
<contactref element="IC2" pad="16"/>
<contactref element="JP2" pad="2"/>
</signal>
<signal name="N$16">
<contactref element="R5" pad="S"/>
<contactref element="IC2" pad="15"/>
<contactref element="JP3" pad="1"/>
</signal>
<signal name="N$20">
<contactref element="IC2" pad="19"/>
<contactref element="JP4" pad="2"/>
</signal>
<signal name="N$21">
<contactref element="IC2" pad="17"/>
<contactref element="JP5" pad="2"/>
</signal>
<signal name="N$23">
<contactref element="IC2" pad="10"/>
<contactref element="JP5" pad="1"/>
</signal>
<signal name="+18V">
<contactref element="IC1" pad="4"/>
<contactref element="C6" pad="+"/>
<contactref element="C4" pad="1"/>
<contactref element="D1" pad="C"/>
<contactref element="D2" pad="C"/>
<contactref element="D3" pad="C"/>
<contactref element="D4" pad="C"/>
<contactref element="X6" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="R3" pad="1"/>
<contactref element="R5" pad="E"/>
</signal>
<signal name="N$14">
<contactref element="IC2" pad="20"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="N$17">
<contactref element="IC2" pad="1"/>
<contactref element="JP1" pad="1"/>
</signal>
<signal name="N$19">
<contactref element="JP5" pad="3"/>
<contactref element="IC2" pad="18"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
