<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.6.2">
<drawing>
<board>
<plain>
<text>V+ OpAmp</text>
<text>COILS</text>
<hole x="37.660503125" y="2.591175" drill="0.9"/>
<hole x="37.645571875" y="12.761834375" drill="0.9"/>
<hole x="37.517871875" y="60.382290625" drill="0.9"/>
<hole x="37.517871875" y="50.237675" drill="0.9"/>
<hole x="37.58764375" y="44.288728125" drill="0.9"/>
<hole x="37.578921875" y="34.11794375" drill="0.9"/>
<hole x="37.58764375" y="28.37834375" drill="0.9"/>
<hole x="37.6050875" y="18.22500625" drill="0.9"/>
<wire x1="-1.58034375" y1="0" x2="41.63256875" y2="0" width="0.1524" layer="20"/>
<wire x1="41.63256875" y1="0" x2="41.791984375" y2="0.159415625" width="0.1524" layer="20"/>
<wire x1="41.791984375" y1="0.159415625" x2="41.791984375" y2="64.0747875" width="0.1524" layer="20"/>
<wire x1="41.791984375" y1="64.0747875" x2="41.82128125" y2="64.104084375" width="0.1524" layer="20"/>
<wire x1="41.82128125" y1="64.104084375" x2="-1.62954375" y2="64.104084375" width="0.1524" layer="20"/>
<wire x1="-1.62954375" y1="64.104084375" x2="-1.6584125" y2="64.075215625" width="0.1524" layer="20"/>
<wire x1="-1.6584125" y1="64.075215625" x2="-1.6584125" y2="-0.0504375" width="0.1524" layer="20"/>
<wire x1="-1.6584125" y1="-0.0504375" x2="-1.644596875" y2="-0.064253125" width="0.1524" layer="20"/>
<wire x1="-1.644596875" y1="-0.064253125" x2="-1.58034375" y2="0" width="0.1524" layer="20"/>
</plain>
<libraries>
<library name="Resistor">
<description>&lt;B&gt;Resistors, Potentiometers, TrimPot</description>
<packages>
<package name="RESAD724W46L381D178B">
<description>Axial Resistor, 7.24 mm pitch, 3.81 mm body length, 1.78 mm body diameter
&lt;p&gt;Axial Resistor package with 7.24 mm pitch (lead spacing), 0.46 mm lead diameter, 3.81 mm body length and 1.78 mm body diameter&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="2N7000">
<packages>
<package name="TO92-">
<description>&lt;b&gt;TO 92 pad in line&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="LM358AP">
<packages>
<package name="DIP794W45P254L959H508Q8">
</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="2,8-PAD-SQUARE">
<description>&lt;b&gt;MOUNTING PAD&lt;/b&gt; 2.8 mm, square</description>
</package>
</packages>
</library>
<library name="solpad">
<description>&lt;b&gt;Solder Pads/Test Points&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="LSP10">
<description>&lt;b&gt;SOLDER PAD&lt;/b&gt;&lt;p&gt;
drill 1.0 mm</description>
</package>
<package name="MCS10B">
<description>&lt;b&gt;SOLDER PAD&lt;/b&gt;&lt;p&gt;
drill 1.0 mm</description>
</package>
</packages>
</library>
<library name="227161-1">
<packages>
<package name="TE_227161-1">
</package>
</packages>
</library>
<library name="capacitor-wima">
<description>&lt;b&gt;WIMA Capacitors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="C5B3.5">
<description>&lt;B&gt;MKS2&lt;/B&gt;, 7.5 x 4 mm, grid 5.08 mm</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="SHUNT" library="2N7000" package="TO92-" value="2N7000">
<attribute name="AVAILABILITY" value="In Stock"/>
<attribute name="DESCRIPTION" value=" N-Channel 60 V 350mA (Tc) 1W (Tc) Through Hole TO-92-3 "/>
<attribute name="MF" value="STMicroelectronics"/>
<attribute name="MP" value="2N7000"/>
<attribute name="PACKAGE" value="E-PKG AXIAL-LEADED-2 ON Semiconductor"/>
<attribute name="PRICE" value="None"/>
<attribute name="PURCHASE-URL" value="https://pricing.snapeda.com/search/part/2N7000/?ref=eda"/>
</element>
<element name="U1" library="LM358AP" package="DIP794W45P254L959H508Q8" value="LM358AP">
<attribute name="AVAILABILITY" value="In Stock"/>
<attribute name="DESCRIPTION" value=" Dual, 30-V, 700-kHz, 3-mV offset voltage operational amplifier "/>
<attribute name="MF" value="Texas Instruments"/>
<attribute name="MP" value="LM358AP"/>
<attribute name="PACKAGE" value="PDIP-8 Texas"/>
<attribute name="PRICE" value="None"/>
<attribute name="PURCHASE-URL" value="https://pricing.snapeda.com/search/part/LM358AP/?ref=eda"/>
</element>
<element name="OPAMPPWR" library="solpad" package="LSP10" value="LSP10">
<attribute name="POPULARITY" value="52"/>
</element>
<element name="CIRCUITPWR" library="solpad" package="MCS10B" value="MCS10B">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="VALUE"/>
</element>
<element name="J1" library="227161-1" package="TE_227161-1" value="227161-1">
<attribute name="AVAILABILITY" value="In Stock"/>
<attribute name="COMMENT" value="227161-1"/>
<attribute name="DESCRIPTION" value=" BNC Series 50 Ohm Right Angle Through Hole Jack Female Socket Connector "/>
<attribute name="MF" value="TE Connectivity"/>
<attribute name="MP" value="227161-1"/>
<attribute name="NAME"/>
<attribute name="PACKAGE" value="None"/>
<attribute name="PRICE" value="None"/>
<attribute name="PURCHASE-URL" value="https://pricing.snapeda.com/search/part/227161-1/?ref=eda"/>
</element>
<element name="C3" library="capacitor-wima" package="C5B3.5" value="">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="3"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="capacitor-wima" package="C5B3.5" value="">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="3"/>
<attribute name="VALUE"/>
</element>
<element name="H2" library="holes" package="2,8-PAD-SQUARE" value="MOUNT-PAD-SQUARE2.8">
<attribute name="POPULARITY" value="3"/>
</element>
<element name="H3" library="holes" package="2,8-PAD-SQUARE" value="MOUNT-PAD-SQUARE2.8">
<attribute name="POPULARITY" value="3"/>
</element>
<element name="J2" library="227161-1" package="TE_227161-1" value="227161-1">
<attribute name="AVAILABILITY" value="In Stock"/>
<attribute name="COMMENT" value="227161-1"/>
<attribute name="DESCRIPTION" value=" BNC Series 50 Ohm Right Angle Through Hole Jack Female Socket Connector "/>
<attribute name="MF" value="TE Connectivity"/>
<attribute name="MP" value="227161-1"/>
<attribute name="NAME"/>
<attribute name="PACKAGE" value="None"/>
<attribute name="PRICE" value="None"/>
<attribute name="PURCHASE-URL" value="https://pricing.snapeda.com/search/part/227161-1/?ref=eda"/>
<attribute name="VALUE"/>
</element>
<element name="J3" library="227161-1" package="TE_227161-1" value="227161-1">
<attribute name="AVAILABILITY" value="In Stock"/>
<attribute name="COMMENT" value="227161-1"/>
<attribute name="DESCRIPTION" value=" BNC Series 50 Ohm Right Angle Through Hole Jack Female Socket Connector "/>
<attribute name="MF" value="TE Connectivity"/>
<attribute name="MP" value="227161-1"/>
<attribute name="NAME"/>
<attribute name="PACKAGE" value="None"/>
<attribute name="PRICE" value="None"/>
<attribute name="PURCHASE-URL" value="https://pricing.snapeda.com/search/part/227161-1/?ref=eda"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="Resistor" package="RESAD724W46L381D178B" value="">
<attribute name="CATEGORY" value="Resistor"/>
<attribute name="MANUFACTURER" value=""/>
<attribute name="MPN" value=""/>
<attribute name="NAME"/>
<attribute name="OPERATING_TEMP" value=""/>
<attribute name="PART_STATUS" value=""/>
<attribute name="RATING" value=""/>
<attribute name="ROHS_COMPLIANT" value=""/>
<attribute name="SERIES" value=""/>
<attribute name="SUB-CATEGORY" value="Fixed"/>
<attribute name="THERMALLOSS" value=""/>
<attribute name="TOLERANCE" value=""/>
<attribute name="TYPE" value=""/>
<attribute name="VALUE"/>
</element>
<element name="R7" library="Resistor" package="RESAD724W46L381D178B" value="">
<attribute name="CATEGORY" value="Resistor"/>
<attribute name="MANUFACTURER" value=""/>
<attribute name="MPN" value=""/>
<attribute name="NAME"/>
<attribute name="OPERATING_TEMP" value=""/>
<attribute name="PART_STATUS" value=""/>
<attribute name="RATING" value=""/>
<attribute name="ROHS_COMPLIANT" value=""/>
<attribute name="SERIES" value=""/>
<attribute name="SUB-CATEGORY" value="Fixed"/>
<attribute name="THERMALLOSS" value=""/>
<attribute name="TOLERANCE" value=""/>
<attribute name="TYPE" value=""/>
<attribute name="VALUE"/>
</element>
<element name="J4" library="227161-1" package="TE_227161-1" value="227161-1">
<attribute name="AVAILABILITY" value="In Stock"/>
<attribute name="COMMENT" value="227161-1"/>
<attribute name="DESCRIPTION" value=" BNC Series 50 Ohm Right Angle Through Hole Jack Female Socket Connector "/>
<attribute name="MF" value="TE Connectivity"/>
<attribute name="MP" value="227161-1"/>
<attribute name="NAME"/>
<attribute name="PACKAGE" value="None"/>
<attribute name="PRICE" value="None"/>
<attribute name="PURCHASE-URL" value="https://pricing.snapeda.com/search/part/227161-1/?ref=eda"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="Resistor" package="RESAD724W46L381D178B" value="">
<attribute name="CATEGORY" value="Resistor"/>
<attribute name="MANUFACTURER" value=""/>
<attribute name="MPN" value=""/>
<attribute name="NAME"/>
<attribute name="OPERATING_TEMP" value=""/>
<attribute name="PART_STATUS" value=""/>
<attribute name="RATING" value=""/>
<attribute name="ROHS_COMPLIANT" value=""/>
<attribute name="SERIES" value=""/>
<attribute name="SUB-CATEGORY" value="Fixed"/>
<attribute name="THERMALLOSS" value=""/>
<attribute name="TOLERANCE" value=""/>
<attribute name="TYPE" value=""/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="Resistor" package="RESAD724W46L381D178B" value="">
<attribute name="CATEGORY" value="Resistor"/>
<attribute name="MANUFACTURER" value=""/>
<attribute name="MPN" value=""/>
<attribute name="NAME"/>
<attribute name="OPERATING_TEMP" value=""/>
<attribute name="PART_STATUS" value=""/>
<attribute name="RATING" value=""/>
<attribute name="ROHS_COMPLIANT" value=""/>
<attribute name="SERIES" value=""/>
<attribute name="SUB-CATEGORY" value="Fixed"/>
<attribute name="THERMALLOSS" value=""/>
<attribute name="TOLERANCE" value=""/>
<attribute name="TYPE" value=""/>
<attribute name="VALUE"/>
</element>
<element name="CIRCUITGND" library="solpad" package="MCS10B" value="MCS10B">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="U1" pad="4"/>
<contactref element="C3" pad="2"/>
<contactref element="H3" pad="B2,8"/>
<contactref element="SHUNT" pad="1"/>
<contactref element="J2" pad="2"/>
<contactref element="J4" pad="2"/>
<contactref element="J3" pad="2"/>
<contactref element="CIRCUITGND" pad="MP"/>
</signal>
<signal name="N$6">
<contactref element="J2" pad="1"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="N$8">
<contactref element="J3" pad="1"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="N$10">
<contactref element="R7" pad="1"/>
<contactref element="R6" pad="1"/>
<contactref element="J4" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="H2" pad="B2,8"/>
<contactref element="C3" pad="1"/>
<contactref element="SHUNT" pad="3"/>
<contactref element="CIRCUITPWR" pad="MP"/>
</signal>
<signal name="N$2">
<contactref element="U1" pad="8"/>
<contactref element="OPAMPPWR" pad="MP"/>
</signal>
<signal name="N$3">
<contactref element="J1" pad="1"/>
<contactref element="U1" pad="3"/>
<contactref element="C1" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="J1" pad="2"/>
<contactref element="C1" pad="1"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="U1" pad="2"/>
<contactref element="R2" pad="1"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="R1" pad="2"/>
<contactref element="SHUNT" pad="2"/>
<contactref element="U1" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
