<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.6.0">
<drawing>
<board>
<plain>
<text>M453A</text>
<text>VARIABLE CLOCK</text>
<text>SIDE 2</text>
</plain>
<libraries>
<library name="rcl">
<packages>
<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="0207/10">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 10 mm</description>
</package>
<package name="C225-062X268">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 22.5 mm, outline 6.2 x 26.8 mm</description>
</package>
<package name="C325-137X374">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 32.5 mm, outline 13.7 x 37.4 mm</description>
</package>
<package name="C375-155X418">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 37.5 mm, outline 15.5 x 41.8 mm</description>
</package>
</packages>
</library>
<library name="74xx-us">
<packages>
<package name="DIL14">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="dec-con">
<packages>
<package name="SINGLE">
<description>Single-Height DEC board</description>
</package>
<package name="3006Y">
<description>Older, larger style of multi-turn potentiometer.</description>
</package>
<package name="DIL14">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
<package name="E12-8">
<description>A 0.8 inch electrolytic.</description>
</package>
<package name="EDGE-CON2">
<description>Single-Height DEC edge connector</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C2" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="E4" library="74xx-us" package="DIL14" value="7400N"/>
<element name="U$1" library="dec-con" package="SINGLE" value="OUTLINE-SINGLE"/>
<element name="R1" library="rcl" package="0207/10" value="2200"/>
<element name="C5" library="rcl" package="C225-062X268" value=".0047uF 10%"/>
<element name="C3" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="E2" library="74xx-us" package="DIL14" value="7440N"/>
<element name="E3" library="74xx-us" package="DIL14" value="7474N"/>
<element name="C8" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C11" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="R11" library="dec-con" package="3006Y" value="(not installed)"/>
<element name="R10" library="rcl" package="0207/10" value="4700"/>
<element name="R9" library="rcl" package="0207/10" value="470"/>
<element name="R6" library="rcl" package="0207/10" value="47"/>
<element name="R8" library="rcl" package="0207/10" value="220"/>
<element name="R12" library="rcl" package="0207/10" value="120K"/>
<element name="R2" library="rcl" package="0207/10" value="1800"/>
<element name="R4" library="rcl" package="0207/10" value="47"/>
<element name="R7" library="rcl" package="0207/10" value="47"/>
<element name="R5" library="rcl" package="0207/10" value="470"/>
<element name="R3" library="rcl" package="0207/10" value="220"/>
<element name="E1" library="dec-con" package="DIL14" value="9601"/>
<element name="C1" library="dec-con" package="E12-8" value="6.8uF"/>
<element name="C7" library="rcl" package="C050-025X075" value=""/>
<element name="C6" library="rcl" package="C050-025X075" value=""/>
<element name="C9" library="rcl" package="C225-062X268" value=".033uF 10%"/>
<element name="C10" library="rcl" package="C325-137X374" value=".15uF 10%"/>
<element name="C12" library="rcl" package="C375-155X418" value=".47uF 10%"/>
<element name="U$3" library="dec-con" package="EDGE-CON2" value=""/>
<element name="C14" library="rcl" package="C050-025X075" value="470pF"/>
<element name="C13" library="rcl" package="C050-025X075" value=""/>
<element name="C4" library="rcl" package="C050-025X075" value="270pF"/>
</elements>
<signals>
<signal name="GND">
<contactref element="C2" pad="2"/>
<contactref element="E4" pad="7"/>
<contactref element="U$3" pad="C2"/>
<contactref element="E2" pad="7"/>
<contactref element="E3" pad="7"/>
<contactref element="C8" pad="2"/>
<contactref element="C11" pad="2"/>
<contactref element="E1" pad="7"/>
<contactref element="E1" pad="2"/>
<contactref element="E1" pad="1"/>
<contactref element="C1" pad="-"/>
<contactref element="R1" pad="1"/>
<contactref element="R5" pad="2"/>
<contactref element="R8" pad="1"/>
<contactref element="C13" pad="2"/>
<contactref element="U$3" pad="T1"/>
</signal>
<signal name="VCC">
<contactref element="C2" pad="1"/>
<contactref element="E4" pad="14"/>
<contactref element="U$3" pad="A2"/>
<contactref element="E2" pad="14"/>
<contactref element="E3" pad="14"/>
<contactref element="C8" pad="1"/>
<contactref element="C11" pad="1"/>
<contactref element="E1" pad="14"/>
<contactref element="R2" pad="1"/>
<contactref element="R3" pad="1"/>
<contactref element="R9" pad="1"/>
<contactref element="C1" pad="+"/>
</signal>
<signal name="V1">
<contactref element="R11" pad="3"/>
<contactref element="R11" pad="2"/>
<contactref element="R12" pad="1"/>
<contactref element="U$3" pad="V1"/>
</signal>
<signal name="N$2">
<contactref element="E4" pad="5"/>
<contactref element="E4" pad="10"/>
<contactref element="E4" pad="4"/>
<contactref element="E4" pad="3"/>
</signal>
<signal name="H2">
<contactref element="E2" pad="9"/>
<contactref element="U$3" pad="H2"/>
<contactref element="E2" pad="12"/>
<contactref element="E2" pad="10"/>
<contactref element="E2" pad="13"/>
<contactref element="E3" pad="3"/>
<contactref element="E4" pad="13"/>
<contactref element="E4" pad="12"/>
<contactref element="E1" pad="8"/>
</signal>
<signal name="N$24">
<contactref element="E2" pad="1"/>
<contactref element="E2" pad="2"/>
<contactref element="E2" pad="4"/>
<contactref element="E2" pad="5"/>
<contactref element="E3" pad="9"/>
</signal>
<signal name="N$7">
<contactref element="R4" pad="2"/>
<contactref element="E1" pad="4"/>
</signal>
<signal name="A1">
<contactref element="E1" pad="3"/>
<contactref element="R1" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="U$3" pad="A1"/>
</signal>
<signal name="N$35">
<contactref element="C6" pad="2"/>
<contactref element="R4" pad="1"/>
<contactref element="C7" pad="2"/>
</signal>
<signal name="S1">
<contactref element="C3" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="C9" pad="1"/>
<contactref element="R10" pad="1"/>
<contactref element="C12" pad="1"/>
<contactref element="C10" pad="1"/>
<contactref element="U$3" pad="S1"/>
<contactref element="C4" pad="2"/>
</signal>
<signal name="N$61">
<contactref element="E4" pad="11"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="L2">
<contactref element="U$3" pad="L2"/>
<contactref element="E3" pad="8"/>
<contactref element="E3" pad="12"/>
</signal>
<signal name="M2">
<contactref element="U$3" pad="M2"/>
<contactref element="E3" pad="5"/>
<contactref element="E3" pad="11"/>
</signal>
<signal name="N2">
<contactref element="U$3" pad="N2"/>
<contactref element="E3" pad="6"/>
<contactref element="E3" pad="2"/>
</signal>
<signal name="P2">
<contactref element="U$3" pad="P2"/>
<contactref element="E4" pad="9"/>
</signal>
<signal name="R2">
<contactref element="U$3" pad="R2"/>
<contactref element="E4" pad="6"/>
</signal>
<signal name="K2">
<contactref element="U$3" pad="K2"/>
<contactref element="E2" pad="6"/>
</signal>
<signal name="J2">
<contactref element="U$3" pad="J2"/>
<contactref element="E2" pad="8"/>
</signal>
<signal name="N$1">
<contactref element="C14" pad="1"/>
<contactref element="R9" pad="2"/>
<contactref element="E4" pad="8"/>
</signal>
<signal name="N$18">
<contactref element="C14" pad="2"/>
<contactref element="E4" pad="1"/>
<contactref element="R8" pad="2"/>
<contactref element="E4" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="E1" pad="11"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="E1" pad="13"/>
<contactref element="R7" pad="1"/>
<contactref element="C13" pad="1"/>
</signal>
<signal name="J1">
<contactref element="U$3" pad="J1"/>
<contactref element="R6" pad="2"/>
<contactref element="C4" pad="1"/>
</signal>
<signal name="L1">
<contactref element="U$3" pad="L1"/>
<contactref element="C7" pad="1"/>
<contactref element="C6" pad="1"/>
</signal>
<signal name="M1">
<contactref element="U$3" pad="M1"/>
<contactref element="C3" pad="2"/>
<contactref element="C5" pad="2"/>
</signal>
<signal name="N1">
<contactref element="U$3" pad="N1"/>
<contactref element="C9" pad="2"/>
</signal>
<signal name="P1">
<contactref element="U$3" pad="P1"/>
<contactref element="C10" pad="2"/>
</signal>
<signal name="R1">
<contactref element="U$3" pad="R1"/>
<contactref element="C12" pad="2"/>
</signal>
<signal name="U1">
<contactref element="U$3" pad="U1"/>
<contactref element="R11" pad="1"/>
<contactref element="R12" pad="2"/>
<contactref element="R10" pad="2"/>
</signal>
<signal name="+3V3">
<contactref element="U$3" pad="T2"/>
<contactref element="R5" pad="1"/>
<contactref element="R3" pad="2"/>
<contactref element="E3" pad="1"/>
<contactref element="E3" pad="4"/>
<contactref element="E3" pad="13"/>
<contactref element="E3" pad="10"/>
</signal>
<signal name="NC">
<contactref element="U$3" pad="K1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
