<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.3.2">
<drawing>
<board>
<plain>
<wire x1="8.89" y1="62.23" x2="8.89" y2="1.27" width="0.1524" layer="20"/>
<wire x1="8.89" y1="1.27" x2="58.42" y2="1.27" width="0.1524" layer="20"/>
<wire x1="58.42" y1="1.27" x2="58.42" y2="62.23" width="0.1524" layer="20"/>
<wire x1="58.42" y1="62.23" x2="8.89" y2="62.23" width="0.1524" layer="20"/>
<text>5V</text>
<text>GND</text>
<text>+</text>
<text>-</text>
<text>Gain Increases ---&gt;</text>
</plain>
<libraries>
<library name="B4P-VH_LF__SN_">
<packages>
<package name="HDRV4W114P396_1X4_1578X850X1090P">
</package>
</packages>
</library>
<library name="resistor-power">
<description>&lt;b&gt;Vitrohm Power Resistors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="RS1/4">
<description>&lt;b&gt;Wirewound Resistors, Military, MIL-PRF-26 Qualified&lt;/b&gt;&lt;p&gt;
Type RW, Precision Power, Silicone Coated&lt;br&gt;
Source: Vishay Dale .. rsns.pdf</description>
</package>
</packages>
</library>
<library name="op101p-photodiode">
<packages>
<package name="NTC8">
</package>
</packages>
</library>
<library name="jumper">
<description>&lt;b&gt;Jumpers&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="JP1">
<description>&lt;b&gt;JUMPER&lt;/b&gt;</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="4,3">
<description>&lt;b&gt;MOUNTING HOLE&lt;/b&gt; 4.3 mm with drill center</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="J1" library="B4P-VH_LF__SN_" package="HDRV4W114P396_1X4_1578X850X1090P" value="B4P-VH(LF)(SN)">
<attribute name="DESCRIPTION" value=" VH Series 4 Position 3.96 mm Pitch Top Entry Locking Header "/>
<attribute name="DIGI-KEY_PART_NUMBER" value="455-1641-ND"/>
<attribute name="DIGI-KEY_PURCHASE_URL" value="https://www.digikey.com/product-detail/en/jst-sales-america-inc/B4P-VH_LF__SN_/455-1641-ND/926549?utm_source=snapeda&amp;utm_medium=aggregator&amp;utm_campaign=symbol"/>
<attribute name="MF" value="JST Sales"/>
<attribute name="MP" value="B4P-VH_LF__SN_"/>
<attribute name="NAME"/>
<attribute name="PACKAGE" value="None"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="resistor-power" package="RS1/4" value="2.2M">
<attribute name="MF" value="OHMITE"/>
<attribute name="MPN" value="RRS1K0"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="01F7661"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="resistor-power" package="RS1/4" value="5.7M">
<attribute name="MF" value="OHMITE"/>
<attribute name="MPN" value="RRS1K0"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="01F7661"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="resistor-power" package="RS1/4" value="10M">
<attribute name="MF" value="OHMITE"/>
<attribute name="MPN" value="RRS1K0"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="01F7661"/>
<attribute name="VALUE"/>
</element>
<element name="U1" library="op101p-photodiode" package="NTC8" value="OPT101P">
<attribute name="MANUFACTURER_PART_NUMBER" value="OPT101P"/>
<attribute name="NAME"/>
<attribute name="VENDOR" value="Texas Instruments"/>
</element>
<element name="JP1" library="jumper" package="JP1" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP2" library="jumper" package="JP1" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP3" library="jumper" package="JP1" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP4" library="jumper" package="JP1" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R5" library="resistor-power" package="RS1/4" value="10M">
<attribute name="MF" value="OHMITE"/>
<attribute name="MPN" value="RRS1K0"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="01F7661"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="resistor-power" package="RS1/4" value="10M">
<attribute name="MF" value="OHMITE"/>
<attribute name="MPN" value="RRS1K0"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="01F7661"/>
<attribute name="VALUE"/>
</element>
<element name="JP5" library="jumper" package="JP1" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP6" library="jumper" package="JP1" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="VOLTAGE_READOUT" library="jumper" package="JP1" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="resistor-power" package="RS1/4" value="10M">
<attribute name="MF" value="OHMITE"/>
<attribute name="MPN" value="RRS1K0"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="01F7661"/>
<attribute name="VALUE"/>
</element>
<element name="R7" library="resistor-power" package="RS1/4" value="10M">
<attribute name="MF" value="OHMITE"/>
<attribute name="MPN" value="RRS1K0"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="01F7661"/>
<attribute name="VALUE"/>
</element>
<element name="R8" library="resistor-power" package="RS1/4" value="10M">
<attribute name="MF" value="OHMITE"/>
<attribute name="MPN" value="RRS1K0"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="01F7661"/>
<attribute name="VALUE"/>
</element>
<element name="SUP_POWER" library="jumper" package="JP1" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$1" library="holes" package="4,3" value=""/>
<element name="U$2" library="holes" package="4,3" value=""/>
<element name="U$3" library="holes" package="4,3" value=""/>
<element name="U$4" library="holes" package="4,3" value=""/>
</elements>
<signals>
<signal name="N$6">
<contactref element="U1" pad="5"/>
<contactref element="JP4" pad="1"/>
<contactref element="JP3" pad="1"/>
<contactref element="JP2" pad="1"/>
<contactref element="JP1" pad="1"/>
<contactref element="JP6" pad="1"/>
<contactref element="JP5" pad="1"/>
<contactref element="J1" pad="4"/>
<contactref element="VOLTAGE_READOUT" pad="1"/>
</signal>
<signal name="GND">
<contactref element="U1" pad="8"/>
<contactref element="U1" pad="3"/>
<contactref element="J1" pad="3"/>
<contactref element="J1" pad="2"/>
<contactref element="VOLTAGE_READOUT" pad="2"/>
<contactref element="SUP_POWER" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="JP1" pad="2"/>
<contactref element="R4" pad="1"/>
<contactref element="R3" pad="1"/>
<contactref element="R2" pad="1"/>
<contactref element="U1" pad="4"/>
<contactref element="R8" pad="1"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="JP2" pad="2"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="JP3" pad="2"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="JP4" pad="2"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="N$8">
<contactref element="JP5" pad="2"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="N$9">
<contactref element="JP6" pad="2"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="R6" pad="1"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="N$10">
<contactref element="R7" pad="1"/>
<contactref element="R8" pad="2"/>
</signal>
<signal name="N$11">
<contactref element="R5" pad="1"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$12">
<contactref element="SUP_POWER" pad="1"/>
<contactref element="U1" pad="1"/>
<contactref element="J1" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
