<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.6.0">
<drawing>
<board>
<plain>
<wire x1="0.005" y1="0.165" x2="22.845" y2="0.165" width="0" layer="20"/>
<wire x1="22.845" y1="0.165" x2="22.845" y2="19.52" width="0" layer="20"/>
<wire x1="22.845" y1="19.52" x2="0.005" y2="19.52" width="0" layer="20"/>
<wire x1="0.005" y1="19.52" x2="0.005" y2="0.165" width="0" layer="20"/>
</plain>
<libraries>
<library name="rcl">
<packages>
<package name="0207/2V">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 2.5 mm</description>
</package>
</packages>
</library>
<library name="wirepad">
<packages>
<package name="1,6/0,9">
<description>&lt;b&gt;THROUGH-HOLE PAD&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="diode">
<packages>
<package name="ZDIO-2.5">
<description>&lt;b&gt;Z DIODE&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="transistor-small-signal">
<packages>
<package name="SOT54E">
<description>&lt;b&gt;SOT-54&lt;/b&gt;&lt;p&gt;
grid 2.54 mm</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="R2" library="rcl" package="0207/2V" value="5K"/>
<element name="PULL_GND" library="wirepad" package="1,6/0,9" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="MUT" library="wirepad" package="1,6/0,9" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="PULL_DOWN" library="wirepad" package="1,6/0,9" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="!PULL_UP" library="wirepad" package="1,6/0,9" value=""/>
<element name="TTL_RX" library="wirepad" package="1,6/0,9" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="rcl" package="0207/2V" value="5K"/>
<element name="Q2" library="transistor-small-signal" package="SOT54E" value="BS170"/>
<element name="Q3" library="transistor-small-signal" package="SOT54E" value="BS170"/>
<element name="R12" library="rcl" package="0207/2V" value="10K"/>
<element name="R14" library="rcl" package="0207/2V" value="5K"/>
<element name="R13" library="rcl" package="0207/2V" value="10K"/>
<element name="R10" library="rcl" package="0207/2V" value="5K"/>
<element name="R11" library="rcl" package="0207/2V" value="10K"/>
<element name="Q1" library="transistor-small-signal" package="SOT54E" value="BS250"/>
<element name="D3" library="diode" package="ZDIO-2.5" value="1N5229B"/>
<element name="D4" library="diode" package="ZDIO-2.5" value="1N5229B"/>
<element name="D5" library="diode" package="ZDIO-2.5" value="1N5229B"/>
<element name="D6" library="diode" package="ZDIO-2.5" value="1N5229B"/>
<element name="D7" library="diode" package="ZDIO-2.5" value="1N5229B"/>
<element name="D8" library="diode" package="ZDIO-2.5" value="1N5229B"/>
<element name="Q4" library="transistor-small-signal" package="SOT54E" value="BS170"/>
<element name="Q5" library="transistor-small-signal" package="SOT54E" value="BS250"/>
<element name="D1" library="diode" package="ZDIO-2.5" value="1N5229B"/>
<element name="D2" library="diode" package="ZDIO-2.5" value="1N5229B"/>
<element name="R3" library="rcl" package="0207/2V" value="10K"/>
</elements>
<signals>
<signal name="GND">
<contactref element="R13" pad="2"/>
<contactref element="R11" pad="2"/>
<contactref element="Q2" pad="S"/>
<contactref element="D8" pad="C"/>
<contactref element="D4" pad="C"/>
<contactref element="D5" pad="C"/>
<contactref element="Q5" pad="S"/>
<contactref element="Q4" pad="S"/>
<contactref element="D2" pad="C"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="+5V">
<contactref element="R10" pad="1"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="PULL_GND" pad="1"/>
<contactref element="Q2" pad="G"/>
<contactref element="D3" pad="C"/>
</signal>
<signal name="N$4">
<contactref element="PULL_DOWN" pad="1"/>
<contactref element="R12" pad="1"/>
<contactref element="D7" pad="C"/>
</signal>
<signal name="-5V">
<contactref element="R2" pad="2"/>
<contactref element="R14" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="R2" pad="1"/>
<contactref element="Q3" pad="G"/>
<contactref element="R12" pad="2"/>
</signal>
<signal name="N$16">
<contactref element="R14" pad="2"/>
<contactref element="Q3" pad="S"/>
<contactref element="R13" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="R10" pad="2"/>
<contactref element="R11" pad="1"/>
<contactref element="Q1" pad="S"/>
</signal>
<signal name="N$1">
<contactref element="MUT" pad="1"/>
<contactref element="Q2" pad="D"/>
<contactref element="Q3" pad="D"/>
<contactref element="Q1" pad="D"/>
<contactref element="D1" pad="C"/>
<contactref element="Q4" pad="G"/>
<contactref element="Q5" pad="G"/>
</signal>
<signal name="N$10">
<contactref element="Q1" pad="G"/>
<contactref element="!PULL_UP" pad="1"/>
<contactref element="D6" pad="C"/>
</signal>
<signal name="N$6">
<contactref element="D6" pad="A"/>
<contactref element="D5" pad="A"/>
</signal>
<signal name="N$11">
<contactref element="D3" pad="A"/>
<contactref element="D4" pad="A"/>
</signal>
<signal name="N$15">
<contactref element="D7" pad="A"/>
<contactref element="D8" pad="A"/>
</signal>
<signal name="N$7">
<contactref element="D1" pad="A"/>
<contactref element="D2" pad="A"/>
</signal>
<signal name="N$8">
<contactref element="Q4" pad="D"/>
<contactref element="Q5" pad="D"/>
<contactref element="TTL_RX" pad="1"/>
<contactref element="R1" pad="1"/>
<contactref element="R3" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
