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EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:nocko
LIBS:switches
LIBS:local-switches
LIBS:bmi-8ch-cache
EELAYER 25 0
EELAYER END
$Descr USLetter 11000 8500
encoding utf-8
Sheet 1 5
Title "Polymer Sensor Amplifier"
Date "2017-03-31"
Rev "AB"
Comp "Monadnock Systems"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
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F3 "Channel1" O R 2200 2530 60
$EndSheet
Text Notes 4130 1270 0 60 ~ 0
Battery Voltage: 5-30V\nOutput is ±Vbatt/2
$Comp
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P 6470 3560
F 0 "C102" H 6495 3660 50 0000 L CNN
F 1 "1µF" H 6495 3460 50 0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6508 3410 50 0001 C CNN
F 3 "" H 6470 3560 50 0001 C CNN
1 6470 3560
1 0 0 -1
$EndComp
$Comp
L C C103
U 1 1 58D54A48
P 6470 4060
F 0 "C103" H 6495 4160 50 0000 L CNN
F 1 "1µF" H 6495 3960 50 0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6508 3910 50 0001 C CNN
F 3 "" H 6470 4060 50 0001 C CNN
1 6470 4060
1 0 0 -1
$EndComp
Text Notes 5870 3210 0 60 ~ 0
Virtual Ground
Text Notes 6530 4610 0 60 ~ 0
Noise Density: 12nV/√Hz\nVoltage Noise (0.1-10Hz): 0.2μV p-p\nDrift: <1.2μV/°C\nSupply Current: <250μA
$Comp
L CONN_01X02 J102
U 1 1 58D60190
P 4670 1730
F 0 "J102" H 4680 1520 50 0000 C CNN
F 1 "Battery" V 4770 1730 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 4670 1730 50 0001 C CNN
F 3 "" H 4670 1730 50 0001 C CNN
1 4670 1730
-1 0 0 -1
$EndComp
$Comp
L PWR_FLAG #FLG01
U 1 1 58D603F8
P 6020 1580
F 0 "#FLG01" H 6020 1655 50 0001 C CNN
F 1 "PWR_FLAG" H 5820 1680 50 0001 C CNN
F 2 "" H 6020 1580 50 0001 C CNN
F 3 "" H 6020 1580 50 0001 C CNN
1 6020 1580
0 1 1 0
$EndComp
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U 58D6CBCD
F0 "channel2-3" 60
F1 "channel2.sch" 60
F2 "Channel2" O R 2180 3240 60
F3 "Channel3" O R 2180 3370 60
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U 58D6D2D8
F0 "channel4-5" 60
F1 "channel4.sch" 60
F2 "Channel4" O R 2200 4090 60
F3 "Channel5" O R 2200 4190 60
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$Sheet
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F0 "channel6-7" 60
F1 "channel6.sch" 60
F2 "Channel6" O R 2210 4870 60
F3 "Channel7" O R 2210 5010 60
$EndSheet
$Comp
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U 1 1 58D6FBAE
P 9490 1930
F 0 "J106" H 9590 1930 50 0000 C CNN
F 1 "CONN_01X01" V 9590 1930 50 0001 C CNN
F 2 "Mounting_Holes:MountingHole_3.2mm_M3_Pad" H 9490 1930 50 0001 C CNN
F 3 "" H 9490 1930 50 0001 C CNN
1 9490 1930
1 0 0 1
$EndComp
$Comp
L CONN_01X01 J105
U 1 1 58D702C5
P 9490 1780
F 0 "J105" H 9590 1780 50 0000 C CNN
F 1 "CONN_01X01" V 9590 1780 50 0001 C CNN
F 2 "Mounting_Holes:MountingHole_3.2mm_M3_Pad" H 9490 1780 50 0001 C CNN
F 3 "" H 9490 1780 50 0001 C CNN
1 9490 1780
1 0 0 1
$EndComp
$Comp
L CONN_01X01 J104
U 1 1 58D70306
P 9490 1630
F 0 "J104" H 9590 1630 50 0000 C CNN
F 1 "CONN_01X01" V 9590 1630 50 0001 C CNN
F 2 "Mounting_Holes:MountingHole_3.2mm_M3_Pad" H 9490 1630 50 0001 C CNN
F 3 "" H 9490 1630 50 0001 C CNN
1 9490 1630
1 0 0 1
$EndComp
$Comp
L CONN_01X01 J103
U 1 1 58D7034C
P 9490 1480
F 0 "J103" H 9590 1480 50 0000 C CNN
F 1 "CONN_01X01" V 9590 1480 50 0001 C CNN
F 2 "Mounting_Holes:MountingHole_3.2mm_M3_Pad" H 9490 1480 50 0001 C CNN
F 3 "" H 9490 1480 50 0001 C CNN
1 9490 1480
1 0 0 1
$EndComp
Text Notes 9290 1380 0 60 ~ 0
Mounting Holes
$Comp
L TEST_1P J114
U 1 1 58D70C8E
P 6720 3810
F 0 "J114" H 6720 4080 50 0000 C CNN
F 1 "VGND" H 6720 4010 50 0000 C CNN
F 2 "Measurement_Points:Measurement_Point_Round-SMD-Pad_Big" H 6920 3810 50 0001 C CNN
F 3 "" H 6920 3810 50 0001 C CNN
1 6720 3810
1 0 0 -1
$EndComp
$Comp
L CONN_01X12 J112
U 1 1 58D765D3
P 3170 3740
F 0 "J112" V 3280 4250 50 0000 C CNN
F 1 "ANALOG_OUT" V 3270 3740 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x12_Pitch2.54mm" H 3170 3740 50 0001 C CNN
F 3 "" H 3170 3740 50 0001 C CNN
1 3170 3740
1 0 0 -1
$EndComp
$Comp
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U 1 1 58D76D50
P 2970 3390
F 0 "#PWR02" H 2970 3140 50 0001 C CNN
F 1 "GNDA" H 2970 3240 50 0000 C CNN
F 2 "" H 2970 3390 50 0001 C CNN
F 3 "" H 2970 3390 50 0001 C CNN
1 2970 3390
0 1 1 0
$EndComp
$Comp
L GNDA #PWR03
U 1 1 58D76DD7
P 2970 3690
F 0 "#PWR03" H 2970 3440 50 0001 C CNN
F 1 "GNDA" H 2970 3540 50 0000 C CNN
F 2 "" H 2970 3690 50 0001 C CNN
F 3 "" H 2970 3690 50 0001 C CNN
1 2970 3690
0 1 1 0
$EndComp
$Comp
L GNDA #PWR04
U 1 1 58D77F82
P 2970 4290
F 0 "#PWR04" H 2970 4040 50 0001 C CNN
F 1 "GNDA" H 2970 4140 50 0000 C CNN
F 2 "" H 2970 4290 50 0001 C CNN
F 3 "" H 2970 4290 50 0001 C CNN
1 2970 4290
0 1 1 0
$EndComp
$Comp
L GNDA #PWR05
U 1 1 58D78218
P 2970 3990
F 0 "#PWR05" H 2970 3740 50 0001 C CNN
F 1 "GNDA" H 2970 3840 50 0000 C CNN
F 2 "" H 2970 3990 50 0001 C CNN
F 3 "" H 2970 3990 50 0001 C CNN
1 2970 3990
0 1 1 0
$EndComp
$Comp
L V+ #PWR06
U 1 1 58D7E8FC
P 4720 3310
F 0 "#PWR06" H 4720 3160 50 0001 C CNN
F 1 "V+" H 4720 3450 50 0000 C CNN
F 2 "" H 4720 3310 50 0000 C CNN
F 3 "" H 4720 3310 50 0000 C CNN
1 4720 3310
1 0 0 -1
$EndComp
$Comp
L V- #PWR07
U 1 1 58D7EC90
P 4720 4210
F 0 "#PWR07" H 4720 4060 50 0001 C CNN
F 1 "V-" H 4720 4350 50 0000 C CNN
F 2 "" H 4720 4210 50 0000 C CNN
F 3 "" H 4720 4210 50 0000 C CNN
1 4720 4210
-1 0 0 1
$EndComp
$Comp
L GNDA #PWR08
U 1 1 58D7EF65
P 6920 3810
F 0 "#PWR08" H 6920 3560 50 0001 C CNN
F 1 "GNDA" H 6920 3660 50 0000 C CNN
F 2 "" H 6920 3810 50 0001 C CNN
F 3 "" H 6920 3810 50 0001 C CNN
1 6920 3810
1 0 0 -1
$EndComp
$Comp
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U 1 1 58D8019A
P 5770 3810
F 0 "U101" H 5970 3960 50 0000 L CNN
F 1 "AD8622" H 5970 3660 50 0000 L CNN
F 2 "Housings_SSOP:MSOP-8_3x3mm_Pitch0.65mm" H 5770 3810 50 0001 C CNN
F 3 "" H 5770 3810 50 0001 C CNN
1 5770 3810
1 0 0 -1
$EndComp
$Comp
L V+ #PWR09
U 1 1 58D80748
P 6020 1580
F 0 "#PWR09" H 6020 1430 50 0001 C CNN
F 1 "V+" H 6020 1720 50 0000 C CNN
F 2 "" H 6020 1580 50 0000 C CNN
F 3 "" H 6020 1580 50 0000 C CNN
1 6020 1580
1 0 0 -1
$EndComp
$Comp
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U 1 1 58D807E6
P 6010 2030
F 0 "#PWR010" H 6010 1880 50 0001 C CNN
F 1 "V-" H 6010 2170 50 0000 C CNN
F 2 "" H 6010 2030 50 0000 C CNN
F 3 "" H 6010 2030 50 0000 C CNN
1 6010 2030
-1 0 0 1
$EndComp
$Comp
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U 2 1 58D81B44
P 8950 5670
F 0 "U101" H 9150 5820 50 0000 L CNN
F 1 "AD8622" H 9150 5520 50 0000 L CNN
F 2 "Housings_SSOP:MSOP-8_3x3mm_Pitch0.65mm" H 8950 5670 50 0001 C CNN
F 3 "" H 8950 5670 50 0001 C CNN
2 8950 5670
1 0 0 -1
$EndComp
$Comp
L V+ #PWR011
U 1 1 58D81C02
P 8900 5420
F 0 "#PWR011" H 8900 5270 50 0001 C CNN
F 1 "V+" H 8900 5560 50 0000 C CNN
F 2 "" H 8900 5420 50 0000 C CNN
F 3 "" H 8900 5420 50 0000 C CNN
1 8900 5420
1 0 0 -1
$EndComp
$Comp
L V- #PWR012
U 1 1 58D81C79
P 8900 5920
F 0 "#PWR012" H 8900 5770 50 0001 C CNN
F 1 "V-" H 8900 6060 50 0000 C CNN
F 2 "" H 8900 5920 50 0000 C CNN
F 3 "" H 8900 5920 50 0000 C CNN
1 8900 5920
-1 0 0 1
$EndComp
$Comp
L GNDA #PWR013
U 1 1 58D81D91
P 8650 5570
F 0 "#PWR013" H 8650 5320 50 0001 C CNN
F 1 "GNDA" H 8650 5420 50 0000 C CNN
F 2 "" H 8650 5570 50 0001 C CNN
F 3 "" H 8650 5570 50 0001 C CNN
1 8650 5570
0 1 1 0
$EndComp
Text Notes 8380 5270 0 60 ~ 0
Unused
$Comp
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U 1 1 58D93F01
P 6010 2030
F 0 "#FLG014" H 6010 2105 50 0001 C CNN
F 1 "PWR_FLAG" H 5810 2130 50 0001 C CNN
F 2 "" H 6010 2030 50 0001 C CNN
F 3 "" H 6010 2030 50 0001 C CNN
1 6010 2030
0 1 1 0
$EndComp
$Comp
L R_Pack02 RN101
U 1 1 58DA8D84
P 4990 3760
F 0 "RN101" V 4790 3760 50 0000 C CNN
F 1 "100k" V 5090 3760 50 0000 C CNN
F 2 "footprints:Sutumu_2012A" V 5165 3760 50 0001 C CNN
F 3 "" H 4990 3760 50 0001 C CNN
1 4990 3760
0 -1 1 0
$EndComp
$Comp
L Polyfuse F101
U 1 1 58DA9C3F
P 5040 1680
F 0 "F101" V 4940 1680 50 0000 C CNN
F 1 "Poly 0.1A" V 5140 1680 50 0000 C CNN
F 2 "Resistors_SMD:R_1206_HandSoldering" H 5090 1480 50 0001 L CNN
F 3 "" H 5040 1680 50 0001 C CNN
1 5040 1680
0 -1 -1 0
$EndComp
$Comp
L D D101
U 1 1 58DA9D32
P 5210 1880
F 0 "D101" H 5240 1790 50 0000 C CNN
F 1 "1N4148" H 5210 2010 50 0000 C CNN
F 2 "Diodes_SMD:D_SOD-123" H 5210 1880 50 0001 C CNN
F 3 "" H 5210 1880 50 0001 C CNN
1 5210 1880
0 1 1 0
$EndComp
Wire Wire Line
5470 3910 5470 4110
Wire Wire Line
5720 3310 5720 3560
Wire Wire Line
6470 3310 6470 3410
Connection ~ 5720 3310
Wire Wire Line
6470 3710 6470 3910
Connection ~ 6470 3810
Wire Wire Line
6320 3810 6320 4110
Wire Wire Line
6320 4110 5470 4110
Wire Wire Line
4870 1780 4870 2130
Connection ~ 4720 4210
Wire Wire Line
5720 4210 5720 4060
Wire Wire Line
8650 5770 8450 5770
Wire Wire Line
8450 5770 8450 6220
Wire Wire Line
8450 6220 9650 6220
Wire Wire Line
9650 6220 9650 5670
Wire Wire Line
9650 5670 9250 5670
Wire Wire Line
6070 3810 6920 3810
Connection ~ 6720 3810
Connection ~ 5720 4210
Connection ~ 6320 3810
Connection ~ 4720 3310
Wire Wire Line
4790 3660 4720 3660
Wire Wire Line
4720 3660 4720 3310
Wire Wire Line
4790 3760 4720 3760
Wire Wire Line
4720 3760 4720 4210
Wire Wire Line
5190 3660 5190 3760
Wire Wire Line
5470 3710 5190 3710
Connection ~ 5190 3710
Wire Wire Line
4870 1680 4890 1680
Wire Wire Line
5190 1680 5620 1680
Wire Wire Line
5210 2030 5210 2130
Connection ~ 5210 2130
Wire Wire Line
5210 1730 5210 1680
Connection ~ 5210 1680
Wire Wire Line
2200 2400 2970 2400
Wire Wire Line
2970 2400 2970 3190
Wire Wire Line
2200 2530 2870 2530
Wire Wire Line
2870 2530 2870 3290
Wire Wire Line
2870 3290 2970 3290
Wire Wire Line
2180 3240 2720 3240
Wire Wire Line
2720 3240 2720 3490
Wire Wire Line
2720 3490 2970 3490
Wire Wire Line
2180 3370 2650 3370
Wire Wire Line
2650 3370 2650 3590
Wire Wire Line
2650 3590 2970 3590
Wire Wire Line
2200 4090 2360 4090
Wire Wire Line
2360 4090 2360 3790
Wire Wire Line
2360 3790 2970 3790
Wire Wire Line
2200 4190 2440 4190
Wire Wire Line
2440 4190 2440 3890
Wire Wire Line
2440 3890 2970 3890
Wire Wire Line
2210 4870 2570 4870
Wire Wire Line
2570 4870 2570 4090
Wire Wire Line
2570 4090 2970 4090
Wire Wire Line
2210 5010 2680 5010
Wire Wire Line
2680 5010 2680 4190
Wire Wire Line
2680 4190 2970 4190
Text Notes 8530 6370 0 60 ~ 0
Supply Current: <250μA
Wire Wire Line
4720 3310 6470 3310
Wire Wire Line
4720 4210 6470 4210
$Comp
L LED D102
U 1 1 58DF01CB
P 6170 1780
F 0 "D102" H 6170 1880 50 0000 C CNN
F 1 "LED" H 6170 1680 50 0000 C CNN
F 2 "LEDs:LED_0603" H 6170 1780 50 0001 C CNN
F 3 "" H 6170 1780 50 0001 C CNN
1 6170 1780
-1 0 0 1
$EndComp
Wire Wire Line
6320 1830 6320 1780
$Comp
L R R101
U 1 1 58DF037A
P 6320 1980
F 0 "R101" V 6400 1980 50 0000 C CNN
F 1 "1.5k" V 6320 1980 50 0000 C CNN
F 2 "Resistors_SMD:R_1206_HandSoldering" V 6250 1980 50 0001 C CNN
F 3 "" H 6320 1980 50 0001 C CNN
1 6320 1980
1 0 0 -1
$EndComp
Text Notes 5680 1310 0 60 ~ 0
SW101 is of type ON-OFF-ON\nR101: 2/3W
NoConn ~ 9290 1480
NoConn ~ 9290 1630
NoConn ~ 9290 1780
NoConn ~ 9290 1930
Wire Wire Line
4870 2130 5610 2130
$Comp
L SW_DPDT_x2 SW101
U 1 1 58E155D1
P 5820 1680
F 0 "SW101" H 5820 1850 50 0000 C CNN
F 1 "AS2E-2M-10-Z" H 5810 930 50 0000 C CNN
F 2 "footprints:AS2E-2M-10-Z" H 5820 1680 50 0001 C CNN
F 3 "" H 5820 1680 50 0001 C CNN
1 5820 1680
1 0 0 -1
$EndComp
Wire Wire Line
6320 2130 6320 2230
Wire Wire Line
6320 2230 6010 2230
$Comp
L SW_DPDT_x2 SW101
U 2 1 58E15E5C
P 5810 2130
F 0 "SW101" H 5810 2300 50 0000 C CNN
F 1 "AS2E-2M-10-Z" H 5810 1930 50 0001 C CNN
F 2 "footprints:AS2E-2M-10-Z" H 5810 2130 50 0001 C CNN
F 3 "" H 5810 2130 50 0001 C CNN
2 5810 2130
1 0 0 -1
$EndComp
$EndSCHEMATC
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