<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.6.0">
<drawing>
<board>
<plain>
<text>MEMORY SELECTOR</text>
<text>G203B</text>
</plain>
<libraries>
<library name="dec-con">
<packages>
<package name="TRANSFORMER">
<description>Button Transformer</description>
</package>
<package name="E12-4">
<description>A 0.5" electrolytic</description>
</package>
<package name="EDGE-CON1">
<description>Single-sided Edge Connector</description>
</package>
<package name="SINGLE">
<description>Single-Height DEC board</description>
</package>
</packages>
</library>
<library name="transistor-pnp">
<packages>
<package name="TO39">
<description>&lt;b&gt;TO-39&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="transistor">
<packages>
<package name="TO5">
<description>&lt;b&gt;TO 5&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="diode">
<packages>
<package name="DO35-10">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 2 mm, horizontal, grid 10.16 mm</description>
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="0207/10">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 10 mm</description>
</package>
<package name="C075-032X103">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 7.5 mm, outline 3.2 x 10.3 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>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="Q9" library="transistor-pnp" package="TO39" value="DEC2894"/>
<element name="Q10" library="transistor" package="TO5" value="MM1008"/>
<element name="D15" library="diode" package="DO35-10" value="1N3606"/>
<element name="D34" library="diode" package="DO35-10" value="1N3606"/>
<element name="D35" library="diode" package="DO35-10" value="1N645"/>
<element name="D36" library="diode" package="DO35-10" value="1N645"/>
<element name="R9" library="rcl" package="0207/10" value="10K"/>
<element name="D37" library="diode" package="DO35-10" value="1N3606"/>
<element name="R26" library="rcl" package="0207/10" value="100K 5%"/>
<element name="D38" library="diode" package="DO35-10" value="1N3606"/>
<element name="C7" library="rcl" package="C075-032X103" value="100pF"/>
<element name="D39" library="diode" package="DO35-10" value="D680"/>
<element name="D40" library="diode" package="DO35-10" value="1N3606"/>
<element name="R27" library="rcl" package="0207/10" value="470"/>
<element name="R28" library="rcl" package="0207/10" value="680"/>
<element name="R29" library="rcl" package="0207/10" value="470"/>
<element name="R30" library="rcl" package="0207/10" value="680"/>
<element name="Q11" library="transistor-pnp" package="TO39" value="DEC2894"/>
<element name="Q12" library="transistor" package="TO5" value="MM1008"/>
<element name="D41" library="diode" package="DO35-10" value="1N3606"/>
<element name="D42" library="diode" package="DO35-10" value="1N3606"/>
<element name="D43" library="diode" package="DO35-10" value="1N645"/>
<element name="D44" library="diode" package="DO35-10" value="1N645"/>
<element name="R31" library="rcl" package="0207/10" value="10K"/>
<element name="D45" library="diode" package="DO35-10" value="1N3606"/>
<element name="R32" library="rcl" package="0207/10" value="100K 5%"/>
<element name="D46" library="diode" package="DO35-10" value="1N3606"/>
<element name="C8" library="rcl" package="C075-032X103" value="100pF"/>
<element name="D47" library="diode" package="DO35-10" value="D680"/>
<element name="D48" library="diode" package="DO35-10" value="1N3606"/>
<element name="R33" library="rcl" package="0207/10" value="470"/>
<element name="R34" library="rcl" package="0207/10" value="680"/>
<element name="R35" library="rcl" package="0207/10" value="470"/>
<element name="R36" library="rcl" package="0207/10" value="680"/>
<element name="Q13" library="transistor-pnp" package="TO39" value="DEC2894"/>
<element name="Q14" library="transistor" package="TO5" value="MM1008"/>
<element name="D49" library="diode" package="DO35-10" value="1N3606"/>
<element name="D50" library="diode" package="DO35-10" value="1N3606"/>
<element name="D51" library="diode" package="DO35-10" value="1N645"/>
<element name="D52" library="diode" package="DO35-10" value="1N645"/>
<element name="R37" library="rcl" package="0207/10" value="10K"/>
<element name="D53" library="diode" package="DO35-10" value="1N3606"/>
<element name="R38" library="rcl" package="0207/10" value="100K 5%"/>
<element name="D54" library="diode" package="DO35-10" value="1N3606"/>
<element name="C9" library="rcl" package="C075-032X103" value="100pF"/>
<element name="D55" library="diode" package="DO35-10" value="D680"/>
<element name="D56" library="diode" package="DO35-10" value="1N3606"/>
<element name="R39" library="rcl" package="0207/10" value="470"/>
<element name="R40" library="rcl" package="0207/10" value="680"/>
<element name="R41" library="rcl" package="0207/10" value="470"/>
<element name="R42" library="rcl" package="0207/10" value="680"/>
<element name="Q15" library="transistor-pnp" package="TO39" value="DEC2894"/>
<element name="Q16" library="transistor" package="TO5" value="MM1008"/>
<element name="D57" library="diode" package="DO35-10" value="1N3606"/>
<element name="D58" library="diode" package="DO35-10" value="1N3606"/>
<element name="D59" library="diode" package="DO35-10" value="1N645"/>
<element name="D60" library="diode" package="DO35-10" value="1N645"/>
<element name="R43" library="rcl" package="0207/10" value="10K"/>
<element name="D61" library="diode" package="DO35-10" value="1N3606"/>
<element name="R44" library="rcl" package="0207/10" value="100K 5%"/>
<element name="D62" library="diode" package="DO35-10" value="1N3606"/>
<element name="C10" library="rcl" package="C075-032X103" value="100pF"/>
<element name="D63" library="diode" package="DO35-10" value="D680"/>
<element name="D64" library="diode" package="DO35-10" value="1N3606"/>
<element name="R45" library="rcl" package="0207/10" value="470"/>
<element name="R46" library="rcl" package="0207/10" value="680"/>
<element name="R47" library="rcl" package="0207/10" value="470"/>
<element name="R48" library="rcl" package="0207/10" value="680"/>
<element name="C12" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="T5" library="dec-con" package="TRANSFORMER" value="T-2051"/>
<element name="T6" library="dec-con" package="TRANSFORMER" value="T-2051"/>
<element name="T8" library="dec-con" package="TRANSFORMER" value="T-2051"/>
<element name="C4" library="dec-con" package="E12-4" value="1uF"/>
<element name="U$2" library="dec-con" package="EDGE-CON1" value="EDGE-1"/>
<element name="U$1" library="dec-con" package="SINGLE" value="OUTLINE-SINGLE"/>
<element name="T9" library="dec-con" package="TRANSFORMER" value="T-2051"/>
<element name="C1" library="rcl" package="C075-032X103" value="100pF"/>
<element name="R1" library="rcl" package="0207/10" value="680"/>
<element name="C2" library="rcl" package="C075-032X103" value="100pF"/>
<element name="R2" library="rcl" package="0207/10" value="680"/>
<element name="C3" library="rcl" package="C075-032X103" value="100pF"/>
<element name="R3" library="rcl" package="0207/10" value="680"/>
<element name="C5" library="rcl" package="C075-032X103" value="100pF"/>
<element name="R4" library="rcl" package="0207/10" value="680"/>
<element name="Q3" library="transistor-pnp" package="TO39" value="DEC2894"/>
<element name="Q2" library="transistor-pnp" package="TO39" value="DEC2894"/>
<element name="Q1" library="transistor-pnp" package="TO39" value="DEC2894"/>
<element name="Q4" library="transistor-pnp" package="TO39" value="DEC2894"/>
</elements>
<signals>
<signal name="N$21">
<contactref element="D34" pad="C"/>
<contactref element="D15" pad="C"/>
<contactref element="D35" pad="C"/>
<contactref element="R9" pad="2"/>
<contactref element="D37" pad="C"/>
<contactref element="D40" pad="C"/>
</signal>
<signal name="N$22">
<contactref element="D36" pad="C"/>
<contactref element="D35" pad="A"/>
</signal>
<signal name="N$30">
<contactref element="D36" pad="A"/>
<contactref element="R26" pad="1"/>
<contactref element="Q9" pad="2"/>
</signal>
<signal name="N$31">
<contactref element="Q9" pad="3"/>
<contactref element="D38" pad="C"/>
<contactref element="T5" pad="2"/>
</signal>
<signal name="N$32">
<contactref element="C7" pad="1"/>
<contactref element="R27" pad="2"/>
<contactref element="R28" pad="2"/>
<contactref element="R29" pad="2"/>
<contactref element="R30" pad="2"/>
<contactref element="T5" pad="7"/>
</signal>
<signal name="N$33">
<contactref element="Q10" pad="2"/>
<contactref element="T5" pad="5"/>
</signal>
<signal name="F2">
<contactref element="Q10" pad="1"/>
<contactref element="T5" pad="4"/>
<contactref element="U$2" pad="F2"/>
</signal>
<signal name="D2">
<contactref element="D40" pad="A"/>
<contactref element="D64" pad="A"/>
<contactref element="U$2" pad="D2"/>
</signal>
<signal name="N$54">
<contactref element="D42" pad="C"/>
<contactref element="D41" pad="C"/>
<contactref element="D43" pad="C"/>
<contactref element="R31" pad="2"/>
<contactref element="D45" pad="C"/>
<contactref element="D48" pad="C"/>
</signal>
<signal name="N$55">
<contactref element="D44" pad="C"/>
<contactref element="D43" pad="A"/>
</signal>
<signal name="N$56">
<contactref element="D44" pad="A"/>
<contactref element="R32" pad="1"/>
<contactref element="Q11" pad="2"/>
</signal>
<signal name="N$57">
<contactref element="Q11" pad="3"/>
<contactref element="D46" pad="C"/>
<contactref element="T6" pad="2"/>
</signal>
<signal name="N$59">
<contactref element="Q12" pad="2"/>
<contactref element="T6" pad="5"/>
</signal>
<signal name="L2">
<contactref element="Q12" pad="1"/>
<contactref element="T6" pad="4"/>
<contactref element="U$2" pad="L2"/>
</signal>
<signal name="E2">
<contactref element="D48" pad="A"/>
<contactref element="D56" pad="A"/>
<contactref element="U$2" pad="E2"/>
</signal>
<signal name="N$62">
<contactref element="D50" pad="C"/>
<contactref element="D49" pad="C"/>
<contactref element="D51" pad="C"/>
<contactref element="R37" pad="2"/>
<contactref element="D53" pad="C"/>
<contactref element="D56" pad="C"/>
</signal>
<signal name="N$63">
<contactref element="D52" pad="C"/>
<contactref element="D51" pad="A"/>
</signal>
<signal name="N$64">
<contactref element="D52" pad="A"/>
<contactref element="R38" pad="1"/>
<contactref element="Q13" pad="2"/>
</signal>
<signal name="N$65">
<contactref element="Q13" pad="3"/>
<contactref element="D54" pad="C"/>
<contactref element="T9" pad="2"/>
</signal>
<signal name="N$67">
<contactref element="Q14" pad="2"/>
<contactref element="T9" pad="5"/>
</signal>
<signal name="P2">
<contactref element="Q14" pad="1"/>
<contactref element="U$2" pad="P2"/>
<contactref element="T9" pad="4"/>
</signal>
<signal name="N$69">
<contactref element="D58" pad="C"/>
<contactref element="D57" pad="C"/>
<contactref element="D59" pad="C"/>
<contactref element="R43" pad="2"/>
<contactref element="D61" pad="C"/>
<contactref element="D64" pad="C"/>
</signal>
<signal name="N$70">
<contactref element="D60" pad="C"/>
<contactref element="D59" pad="A"/>
</signal>
<signal name="N$71">
<contactref element="D60" pad="A"/>
<contactref element="R44" pad="1"/>
<contactref element="Q15" pad="2"/>
</signal>
<signal name="N$72">
<contactref element="Q15" pad="3"/>
<contactref element="D62" pad="C"/>
<contactref element="T8" pad="2"/>
</signal>
<signal name="N$73">
<contactref element="C10" pad="1"/>
<contactref element="R45" pad="2"/>
<contactref element="R46" pad="2"/>
<contactref element="R47" pad="2"/>
<contactref element="R48" pad="2"/>
<contactref element="T8" pad="7"/>
</signal>
<signal name="N$74">
<contactref element="Q16" pad="2"/>
<contactref element="T8" pad="5"/>
</signal>
<signal name="K2">
<contactref element="Q16" pad="1"/>
<contactref element="T8" pad="4"/>
<contactref element="U$2" pad="K2"/>
</signal>
<signal name="H2">
<contactref element="Q10" pad="3"/>
<contactref element="D39" pad="A"/>
<contactref element="U$2" pad="H2"/>
</signal>
<signal name="B-10V">
<contactref element="R26" pad="2"/>
<contactref element="R32" pad="2"/>
<contactref element="R38" pad="2"/>
<contactref element="R44" pad="2"/>
<contactref element="U$2" pad="A2"/>
</signal>
<signal name="BGND">
<contactref element="C7" pad="2"/>
<contactref element="C8" pad="2"/>
<contactref element="C9" pad="2"/>
<contactref element="C10" pad="2"/>
<contactref element="C12" pad="1"/>
<contactref element="C4" pad="+"/>
<contactref element="Q15" pad="1"/>
<contactref element="Q13" pad="1"/>
<contactref element="Q9" pad="1"/>
<contactref element="Q11" pad="1"/>
<contactref element="U$2" pad="C2"/>
<contactref element="R30" pad="1"/>
<contactref element="R28" pad="1"/>
<contactref element="R36" pad="1"/>
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<contactref element="R48" pad="1"/>
<contactref element="R46" pad="1"/>
<contactref element="Q1" pad="3"/>
<contactref element="Q2" pad="3"/>
</signal>
<signal name="B-15V">
<contactref element="R45" pad="1"/>
<contactref element="R47" pad="1"/>
<contactref element="D62" pad="A"/>
<contactref element="R39" pad="1"/>
<contactref element="R41" pad="1"/>
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<contactref element="R33" pad="1"/>
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<contactref element="R27" pad="1"/>
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<contactref element="R31" pad="1"/>
<contactref element="R37" pad="1"/>
<contactref element="R43" pad="1"/>
<contactref element="C12" pad="2"/>
<contactref element="C4" pad="-"/>
<contactref element="U$2" pad="B2"/>
</signal>
<signal name="M2">
<contactref element="Q12" pad="3"/>
<contactref element="D47" pad="A"/>
<contactref element="U$2" pad="M2"/>
</signal>
<signal name="N2">
<contactref element="Q14" pad="3"/>
<contactref element="D55" pad="A"/>
<contactref element="U$2" pad="N2"/>
</signal>
<signal name="J2">
<contactref element="Q16" pad="3"/>
<contactref element="D63" pad="A"/>
<contactref element="U$2" pad="J2"/>
</signal>
<signal name="R2">
<contactref element="D39" pad="C"/>
<contactref element="D47" pad="C"/>
<contactref element="D55" pad="C"/>
<contactref element="D63" pad="C"/>
<contactref element="U$2" pad="R2"/>
</signal>
<signal name="N$1">
<contactref element="C8" pad="1"/>
<contactref element="R33" pad="2"/>
<contactref element="R34" pad="2"/>
<contactref element="R35" pad="2"/>
<contactref element="R36" pad="2"/>
<contactref element="T6" pad="7"/>
</signal>
<signal name="N$2">
<contactref element="C9" pad="1"/>
<contactref element="R39" pad="2"/>
<contactref element="R40" pad="2"/>
<contactref element="R41" pad="2"/>
<contactref element="R42" pad="2"/>
<contactref element="T9" pad="7"/>
</signal>
<signal name="N$3">
<contactref element="D42" pad="A"/>
<contactref element="D50" pad="A"/>
<contactref element="D58" pad="A"/>
<contactref element="C1" pad="2"/>
<contactref element="R1" pad="2"/>
<contactref element="D34" pad="A"/>
<contactref element="Q4" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="C2" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="D15" pad="A"/>
<contactref element="D41" pad="A"/>
<contactref element="D49" pad="A"/>
<contactref element="D57" pad="A"/>
<contactref element="Q3" pad="2"/>
</signal>
<signal name="N$8">
<contactref element="C3" pad="2"/>
<contactref element="R3" pad="2"/>
<contactref element="D53" pad="A"/>
<contactref element="D61" pad="A"/>
<contactref element="Q2" pad="2"/>
</signal>
<signal name="N$9">
<contactref element="D45" pad="A"/>
<contactref element="C5" pad="2"/>
<contactref element="R4" pad="2"/>
<contactref element="D37" pad="A"/>
<contactref element="Q1" pad="2"/>
</signal>
<signal name="V2">
<contactref element="C1" pad="1"/>
<contactref element="R1" pad="1"/>
<contactref element="U$2" pad="V2"/>
</signal>
<signal name="U2">
<contactref element="U$2" pad="U2"/>
<contactref element="C2" pad="1"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="T2">
<contactref element="C3" pad="1"/>
<contactref element="R3" pad="1"/>
<contactref element="U$2" pad="T2"/>
</signal>
<signal name="S2">
<contactref element="C5" pad="1"/>
<contactref element="R4" pad="1"/>
<contactref element="U$2" pad="S2"/>
</signal>
<signal name="N$4">
<contactref element="Q3" pad="1"/>
<contactref element="Q4" pad="3"/>
</signal>
<signal name="N$5">
<contactref element="Q3" pad="3"/>
<contactref element="Q2" pad="1"/>
<contactref element="Q1" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
