592 lines
12 KiB
Plaintext
592 lines
12 KiB
Plaintext
EESchema Schematic File Version 2
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LIBS:power
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LIBS:device
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LIBS:transistors
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LIBS:conn
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LIBS:linear
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LIBS:regul
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LIBS:74xx
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LIBS:cmos4000
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LIBS:adc-dac
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LIBS:memory
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LIBS:xilinx
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LIBS:microcontrollers
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LIBS:dsp
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LIBS:microchip
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LIBS:analog_switches
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LIBS:motorola
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LIBS:texas
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LIBS:intel
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LIBS:audio
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LIBS:interface
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LIBS:digital-audio
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LIBS:philips
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LIBS:display
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LIBS:cypress
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LIBS:siliconi
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LIBS:opto
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LIBS:atmel
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LIBS:contrib
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LIBS:valves
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LIBS:nocko
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LIBS:bmi-8ch-cache
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EELAYER 25 0
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EELAYER END
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$Descr USLetter 11000 8500
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encoding utf-8
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Sheet 1 5
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Title "Polymer Sensor Amplifier"
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Date "2017-03-26"
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Rev "AB"
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Comp "Monadnock Systems"
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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$Sheet
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Text Notes 5150 1400 0 60 ~ 0
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Excitation Supply
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Text Notes 5150 1450 0 39 ~ 0
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Now directly from battery
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Text Notes 5700 3900 0 60 ~ 0
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Virtual Ground
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Text Notes 6360 5300 0 60 ~ 0
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Noise Density: 12nV/√Hz\nVoltage Noise (0.1-10Hz): 0.2uV p-p\nOffset: <125uV\nDrift: <1.2uV/°C
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Text Notes 850 6150 0 60 ~ 0
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Notes:\n\nR101,R102: Resistor pack for good match
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F 2 "" H 10350 1900 50 0001 C CNN
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F 3 "" H 10350 1900 50 0001 C CNN
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Text Notes 10150 1650 0 60 ~ 0
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Mounting Holes
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F 1 "GND" H 9950 1950 50 0000 C CNN
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F 2 "" H 10150 1900 50 0001 C CNN
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F 1 "GND" H 9950 2250 50 0000 C CNN
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F 2 "" H 10150 2050 50 0001 C CNN
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F 3 "" H 10150 2050 50 0001 C CNN
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4550 4000 6300 4000
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6300 4000 6300 4100
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Connection ~ 5550 4000
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Wire Wire Line
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6300 4400 6300 4600
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Connection ~ 6300 4500
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Wire Wire Line
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6150 4500 6150 4800
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Wire Wire Line
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6150 4800 5300 4800
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Wire Wire Line
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6100 1600 6850 1600
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Wire Wire Line
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6100 1700 6100 2000
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Connection ~ 6300 1600
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Wire Wire Line
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6300 2000 6300 1950
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Connection ~ 6300 2000
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Wire Wire Line
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10150 2200 10150 1750
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Wire Wire Line
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10050 2200 10050 2350
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Connection ~ 10150 1900
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Connection ~ 10150 2050
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Connection ~ 10150 2200
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Wire Wire Line
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9950 1750 9950 2200
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Connection ~ 9950 1900
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Connection ~ 9950 2050
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Wire Wire Line
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9950 2200 10150 2200
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Connection ~ 10050 2200
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Connection ~ 9950 2200
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2350 2100 2350 1100
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1900 2000 1700 2000
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Wire Wire Line
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1800 2100 1700 2100
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1800 2900 1700 2900
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Wire Wire Line
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1900 3000 1700 3000
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Wire Wire Line
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2050 3000 2050 3800
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Wire Wire Line
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2050 3800 1700 3800
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|
|
F 1 "AD8622" H 5750 5550 50 0000 L CNN
|
|
F 2 "Housings_SSOP:MSOP-8_3x3mm_Pitch0.65mm" H 5550 5700 50 0001 C CNN
|
|
F 3 "" H 5550 5700 50 0001 C CNN
|
|
2 5550 5700
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L V+ #PWR012
|
|
U 1 1 58D81C02
|
|
P 5500 5450
|
|
F 0 "#PWR012" H 5500 5300 50 0001 C CNN
|
|
F 1 "V+" H 5500 5590 50 0000 C CNN
|
|
F 2 "" H 5500 5450 50 0000 C CNN
|
|
F 3 "" H 5500 5450 50 0000 C CNN
|
|
1 5500 5450
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L V- #PWR013
|
|
U 1 1 58D81C79
|
|
P 5500 5950
|
|
F 0 "#PWR013" H 5500 5800 50 0001 C CNN
|
|
F 1 "V-" H 5500 6090 50 0000 C CNN
|
|
F 2 "" H 5500 5950 50 0000 C CNN
|
|
F 3 "" H 5500 5950 50 0000 C CNN
|
|
1 5500 5950
|
|
-1 0 0 1
|
|
$EndComp
|
|
Wire Wire Line
|
|
5250 5800 5050 5800
|
|
Wire Wire Line
|
|
5050 5800 5050 6250
|
|
Wire Wire Line
|
|
5050 6250 6250 6250
|
|
Wire Wire Line
|
|
6250 6250 6250 5700
|
|
Wire Wire Line
|
|
6250 5700 5850 5700
|
|
$Comp
|
|
L GNDA #PWR014
|
|
U 1 1 58D81D91
|
|
P 5250 5600
|
|
F 0 "#PWR014" H 5250 5350 50 0001 C CNN
|
|
F 1 "GNDA" H 5250 5450 50 0000 C CNN
|
|
F 2 "" H 5250 5600 50 0001 C CNN
|
|
F 3 "" H 5250 5600 50 0001 C CNN
|
|
1 5250 5600
|
|
0 1 1 0
|
|
$EndComp
|
|
Text Notes 6000 5650 0 60 ~ 0
|
|
Unused
|
|
Wire Wire Line
|
|
5900 4500 6750 4500
|
|
Connection ~ 6550 4500
|
|
Wire Wire Line
|
|
6100 2000 6850 2000
|
|
Wire Wire Line
|
|
4550 4900 4550 4750
|
|
Connection ~ 5550 4900
|
|
Connection ~ 6150 4500
|
|
$Comp
|
|
L PWR_FLAG #FLG015
|
|
U 1 1 58D93F01
|
|
P 6850 2000
|
|
F 0 "#FLG015" H 6850 2075 50 0001 C CNN
|
|
F 1 "PWR_FLAG" H 6650 2100 50 0001 C CNN
|
|
F 2 "" H 6850 2000 50 0001 C CNN
|
|
F 3 "" H 6850 2000 50 0001 C CNN
|
|
1 6850 2000
|
|
1 0 0 -1
|
|
$EndComp
|
|
$EndSCHEMATC
|