<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.6.0">
<drawing>
<board>
<plain>
<text>SCHMITT TRIGGERT M501 B</text>
</plain>
<libraries>
<library name="rcl">
<packages>
<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="0207/10">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 10 mm</description>
</package>
<package name="E22-6">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 22.86 mm, diameter 6 mm</description>
</package>
<package name="0207/15">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 15mm</description>
</package>
</packages>
</library>
<library name="dec-con">
<packages>
<package name="SINGLE">
<description>Single-Height DEC board</description>
</package>
<package name="EDGE-CON1">
<description>Single-sided Edge Connector</description>
</package>
<package name="34-22-1-03">
<description>Pin Socket used on M501, etc.</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="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="transistor-npn">
<packages>
<package name="TO39">
<description>&lt;b&gt;TO-39&lt;/b&gt;</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>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U$4" library="dec-con" package="SINGLE" value="OUTLINE-SINGLE"/>
<element name="C3" library="rcl" package="C075-032X103" value=".01uf"/>
<element name="C4" library="rcl" package="C075-032X103" value=".01uf"/>
<element name="R1" library="rcl" package="0207/10" value="150"/>
<element name="R5" library="rcl" package="0207/10" value="1K"/>
<element name="R2" library="rcl" package="0207/10" value="2.7K"/>
<element name="R3" library="rcl" package="0207/10" value="150"/>
<element name="R4" library="rcl" package="0207/10" value="2.7K"/>
<element name="R6" library="rcl" package="0207/10" value="2.7K"/>
<element name="U$1" library="dec-con" package="EDGE-CON1" value="EDGE-1"/>
<element name="E1" library="74xx-us" package="DIL14" value="7400N"/>
<element name="R7" library="rcl" package="0207/10" value="1K"/>
<element name="R8" library="rcl" package="0207/10" value="2.7K"/>
<element name="R9" library="rcl" package="0207/10" value="15"/>
<element name="R10" library="rcl" package="0207/15" value="215 1%"/>
<element name="R11" library="rcl" package="0207/15" value="121 1%"/>
<element name="R12" library="rcl" package="0207/15" value="681 1%"/>
<element name="R13" library="rcl" package="0207/10" value="180"/>
<element name="R14" library="rcl" package="0207/10" value="180"/>
<element name="C1" library="rcl" package="E22-6" value="47uf"/>
<element name="C2" library="rcl" package="E22-6" value="47uf"/>
<element name="D1" library="diode" package="DO35-10" value="1N4154"/>
<element name="D2" library="diode" package="DO35-10" value="1N4154"/>
<element name="J2" library="dec-con" package="34-22-1-03" value="34-22-1-03"/>
<element name="J1" library="dec-con" package="34-22-1-03" value="34-22-1-03"/>
<element name="Q3" library="transistor-npn" package="TO39" value="PN3569"/>
<element name="Q4" library="transistor-npn" package="TO39" value="PN3569"/>
<element name="Q5" library="transistor-npn" package="TO39" value="PN3569"/>
<element name="Q1" library="transistor-pnp" package="TO39" value="PN4250A"/>
<element name="Q2" library="transistor-pnp" package="TO39" value="PN4250A"/>
<element name="Q6" library="transistor-pnp" package="TO39" value="PN4250A"/>
</elements>
<signals>
<signal name="GND">
<contactref element="C3" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="E1" pad="7"/>
<contactref element="U$1" pad="C2"/>
<contactref element="C2" pad="+"/>
<contactref element="R4" pad="1"/>
<contactref element="R5" pad="1"/>
<contactref element="R7" pad="1"/>
<contactref element="R9" pad="1"/>
<contactref element="J1" pad="P1"/>
<contactref element="J1" pad="P3"/>
<contactref element="J1" pad="P2"/>
<contactref element="Q5" pad="1"/>
<contactref element="Q2" pad="3"/>
</signal>
<signal name="VCC">
<contactref element="C3" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="E1" pad="14"/>
<contactref element="U$1" pad="A2"/>
<contactref element="R2" pad="2"/>
<contactref element="R6" pad="2"/>
<contactref element="R8" pad="2"/>
<contactref element="R12" pad="2"/>
<contactref element="Q4" pad="3"/>
<contactref element="Q6" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="E1" pad="9"/>
<contactref element="E1" pad="10"/>
<contactref element="E1" pad="11"/>
</signal>
<signal name="N$2">
<contactref element="E1" pad="8"/>
<contactref element="E1" pad="4"/>
<contactref element="E1" pad="5"/>
<contactref element="R14" pad="2"/>
</signal>
<signal name="F">
<contactref element="E1" pad="2"/>
<contactref element="E1" pad="1"/>
<contactref element="E1" pad="6"/>
<contactref element="U$1" pad="F2"/>
</signal>
<signal name="E">
<contactref element="E1" pad="3"/>
<contactref element="U$1" pad="E2"/>
</signal>
<signal name="N$4">
<contactref element="U$1" pad="S2"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="U$1" pad="U2"/>
<contactref element="R1" pad="1"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="U$1" pad="T2"/>
<contactref element="R3" pad="1"/>
<contactref element="C1" pad="+"/>
</signal>
<signal name="N$7">
<contactref element="C1" pad="-"/>
<contactref element="C2" pad="-"/>
</signal>
<signal name="R">
<contactref element="U$1" pad="R2"/>
<contactref element="D1" pad="C"/>
<contactref element="J2" pad="P1"/>
<contactref element="J2" pad="P2"/>
<contactref element="J2" pad="P3"/>
</signal>
<signal name="P">
<contactref element="U$1" pad="P2"/>
<contactref element="D1" pad="A"/>
<contactref element="D2" pad="A"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="N">
<contactref element="U$1" pad="N2"/>
<contactref element="D2" pad="C"/>
<contactref element="R4" pad="2"/>
<contactref element="Q3" pad="2"/>
<contactref element="Q1" pad="2"/>
</signal>
<signal name="N$11">
<contactref element="R6" pad="1"/>
<contactref element="Q1" pad="1"/>
<contactref element="Q2" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="R5" pad="2"/>
<contactref element="Q5" pad="2"/>
<contactref element="Q1" pad="3"/>
</signal>
<signal name="N$16">
<contactref element="R10" pad="1"/>
<contactref element="R9" pad="2"/>
</signal>
<signal name="M">
<contactref element="R11" pad="1"/>
<contactref element="R10" pad="2"/>
<contactref element="U$1" pad="M2"/>
<contactref element="Q2" pad="2"/>
</signal>
<signal name="L">
<contactref element="R11" pad="2"/>
<contactref element="R12" pad="1"/>
<contactref element="U$1" pad="L2"/>
<contactref element="Q4" pad="2"/>
</signal>
<signal name="N$15">
<contactref element="R7" pad="2"/>
<contactref element="Q3" pad="1"/>
<contactref element="Q4" pad="1"/>
</signal>
<signal name="N$19">
<contactref element="R8" pad="1"/>
<contactref element="Q3" pad="3"/>
<contactref element="Q6" pad="2"/>
</signal>
<signal name="N$20">
<contactref element="R13" pad="2"/>
<contactref element="Q6" pad="3"/>
</signal>
<signal name="K">
<contactref element="R13" pad="1"/>
<contactref element="E1" pad="13"/>
<contactref element="R14" pad="1"/>
<contactref element="E1" pad="12"/>
<contactref element="U$1" pad="K2"/>
<contactref element="Q5" pad="3"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
