EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr USLetter 11000 8500
encoding utf-8
Sheet 9 9
Title "galvanosynth"
Date "2020-01-30"
Rev "4.0.0"
Comp "University of Wisconsin-Madison"
Comment1 "Instrument Shop"
Comment2 "Department of Chemistry"
Comment3 "Blaise Thompson"
Comment4 "bthompson@chem.wisc.edu"
$EndDescr
Text HLabel 2500 3500 0    50   Input ~ 0
CONTROL
Text HLabel 6850 2900 2    50   Output ~ 0
ERROR
Text HLabel 6850 4300 2    50   Output ~ 0
SUPPLY
Text HLabel 6850 4400 2    50   Input ~ 0
RETURN
$Comp
L power:+15V #PWR?
U 1 1 5E5D6B6F
P 5400 3100
AR Path="/5E5D6B6F" Ref="#PWR?"  Part="1" 
AR Path="/5E39B760/5E5D6B6F" Ref="#PWR0111"  Part="1" 
AR Path="/5E3EAB60/5E5D6B6F" Ref="#PWR0118"  Part="1" 
AR Path="/5E4039E6/5E5D6B6F" Ref="#PWR0124"  Part="1" 
AR Path="/5E4039EC/5E5D6B6F" Ref="#PWR0130"  Part="1" 
AR Path="/5E4039F2/5E5D6B6F" Ref="#PWR0136"  Part="1" 
AR Path="/5E4039E0/5E5D6B6F" Ref="#PWR0142"  Part="1" 
AR Path="/5E3EC44B/5E5D6B6F" Ref="#PWR0148"  Part="1" 
AR Path="/5E3ED540/5E5D6B6F" Ref="#PWR0154"  Part="1" 
F 0 "#PWR0111" H 5400 2950 50  0001 C CNN
F 1 "+15V" H 5415 3273 50  0000 C CNN
F 2 "" H 5400 3100 50  0001 C CNN
F 3 "" H 5400 3100 50  0001 C CNN
	1    5400 3100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5E5D6B75
P 5400 4100
AR Path="/5E5D6B75" Ref="#PWR?"  Part="1" 
AR Path="/5E39B760/5E5D6B75" Ref="#PWR0112"  Part="1" 
AR Path="/5E3EAB60/5E5D6B75" Ref="#PWR0119"  Part="1" 
AR Path="/5E4039E6/5E5D6B75" Ref="#PWR0125"  Part="1" 
AR Path="/5E4039EC/5E5D6B75" Ref="#PWR0131"  Part="1" 
AR Path="/5E4039F2/5E5D6B75" Ref="#PWR0137"  Part="1" 
AR Path="/5E4039E0/5E5D6B75" Ref="#PWR0143"  Part="1" 
AR Path="/5E3EC44B/5E5D6B75" Ref="#PWR0149"  Part="1" 
AR Path="/5E3ED540/5E5D6B75" Ref="#PWR0155"  Part="1" 
F 0 "#PWR0112" H 5400 3850 50  0001 C CNN
F 1 "GND" H 5405 3927 50  0000 C CNN
F 2 "" H 5400 4100 50  0001 C CNN
F 3 "" H 5400 4100 50  0001 C CNN
	1    5400 4100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5E5D6B82
P 5100 5150
AR Path="/5E5D6B82" Ref="#PWR?"  Part="1" 
AR Path="/5E39B760/5E5D6B82" Ref="#PWR0113"  Part="1" 
AR Path="/5E3EAB60/5E5D6B82" Ref="#PWR0120"  Part="1" 
AR Path="/5E4039E6/5E5D6B82" Ref="#PWR0126"  Part="1" 
AR Path="/5E4039EC/5E5D6B82" Ref="#PWR0132"  Part="1" 
AR Path="/5E4039F2/5E5D6B82" Ref="#PWR0138"  Part="1" 
AR Path="/5E4039E0/5E5D6B82" Ref="#PWR0144"  Part="1" 
AR Path="/5E3EC44B/5E5D6B82" Ref="#PWR0150"  Part="1" 
AR Path="/5E3ED540/5E5D6B82" Ref="#PWR0156"  Part="1" 
F 0 "#PWR0113" H 5100 4900 50  0001 C CNN
F 1 "GND" H 5105 4977 50  0000 C CNN
F 2 "" H 5100 5150 50  0001 C CNN
F 3 "" H 5100 5150 50  0001 C CNN
	1    5100 5150
	1    0    0    -1  
$EndComp
$Comp
L IRF630:IRF630 QD?
U 1 1 5E5D6B88
P 6800 4100
AR Path="/5E5D6B88" Ref="QD?"  Part="1" 
AR Path="/5E39B760/5E5D6B88" Ref="QD1"  Part="1" 
AR Path="/5E3EAB60/5E5D6B88" Ref="QD2"  Part="1" 
AR Path="/5E4039E6/5E5D6B88" Ref="QD6"  Part="1" 
AR Path="/5E4039EC/5E5D6B88" Ref="QD7"  Part="1" 
AR Path="/5E4039F2/5E5D6B88" Ref="QD8"  Part="1" 
AR Path="/5E4039E0/5E5D6B88" Ref="QD5"  Part="1" 
AR Path="/5E3EC44B/5E5D6B88" Ref="QD3"  Part="1" 
AR Path="/5E3ED540/5E5D6B88" Ref="QD4"  Part="1" 
F 0 "QD1" H 6906 4146 50  0000 L CNN
F 1 "IRF630" H 6906 4055 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 6550 3950 50  0001 C CNN
F 3 "" H 6550 3950 50  0001 C CNN
	1    6800 4100
	1    0    0    -1  
$EndComp
$Comp
L power:+15V #PWR?
U 1 1 5E5D6B8E
P 6800 3900
AR Path="/5E5D6B8E" Ref="#PWR?"  Part="1" 
AR Path="/5E39B760/5E5D6B8E" Ref="#PWR0114"  Part="1" 
AR Path="/5E3EAB60/5E5D6B8E" Ref="#PWR0121"  Part="1" 
AR Path="/5E4039E6/5E5D6B8E" Ref="#PWR0127"  Part="1" 
AR Path="/5E4039EC/5E5D6B8E" Ref="#PWR0133"  Part="1" 
AR Path="/5E4039F2/5E5D6B8E" Ref="#PWR0139"  Part="1" 
AR Path="/5E4039E0/5E5D6B8E" Ref="#PWR0145"  Part="1" 
AR Path="/5E3EC44B/5E5D6B8E" Ref="#PWR0151"  Part="1" 
AR Path="/5E3ED540/5E5D6B8E" Ref="#PWR0157"  Part="1" 
F 0 "#PWR0114" H 6800 3750 50  0001 C CNN
F 1 "+15V" H 6815 4073 50  0000 C CNN
F 2 "" H 6800 3900 50  0001 C CNN
F 3 "" H 6800 3900 50  0001 C CNN
	1    6800 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5000 3500 4950 3500
Wire Wire Line
	6800 4300 6850 4300
$Comp
L Transistor_FET:2N7000 QE?
U 1 1 5E5D6BA0
P 5800 3100
AR Path="/5E5D6BA0" Ref="QE?"  Part="1" 
AR Path="/5E39B760/5E5D6BA0" Ref="QE1"  Part="1" 
AR Path="/5E3EAB60/5E5D6BA0" Ref="QE2"  Part="1" 
AR Path="/5E4039E6/5E5D6BA0" Ref="QE6"  Part="1" 
AR Path="/5E4039EC/5E5D6BA0" Ref="QE7"  Part="1" 
AR Path="/5E4039F2/5E5D6BA0" Ref="QE8"  Part="1" 
AR Path="/5E4039E0/5E5D6BA0" Ref="QE5"  Part="1" 
AR Path="/5E3EC44B/5E5D6BA0" Ref="QE3"  Part="1" 
AR Path="/5E3ED540/5E5D6BA0" Ref="QE4"  Part="1" 
F 0 "QE1" H 6004 3054 50  0000 L CNN
F 1 "2N7000" H 6004 3145 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 6000 3025 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/2N/2N7000.pdf" H 5800 3100 50  0001 L CNN
	1    5800 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	4950 2800 4950 3500
$Comp
L Device:R_POT_TRIM_US RV?
U 1 1 5E5D6BAB
P 5100 4600
AR Path="/5E5D6BAB" Ref="RV?"  Part="1" 
AR Path="/5E39B760/5E5D6BAB" Ref="RV1"  Part="1" 
AR Path="/5E3EAB60/5E5D6BAB" Ref="RV2"  Part="1" 
AR Path="/5E4039E6/5E5D6BAB" Ref="RV6"  Part="1" 
AR Path="/5E4039EC/5E5D6BAB" Ref="RV7"  Part="1" 
AR Path="/5E4039F2/5E5D6BAB" Ref="RV8"  Part="1" 
AR Path="/5E4039E0/5E5D6BAB" Ref="RV5"  Part="1" 
AR Path="/5E3EC44B/5E5D6BAB" Ref="RV3"  Part="1" 
AR Path="/5E3ED540/5E5D6BAB" Ref="RV4"  Part="1" 
F 0 "RV1" H 5032 4554 50  0000 R CNN
F 1 "2k" H 5032 4645 50  0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Bourns_3296X_Horizontal" H 5100 4600 50  0001 C CNN
F 3 "~" H 5100 4600 50  0001 C CNN
	1    5100 4600
	1    0    0    1   
$EndComp
Wire Wire Line
	4600 4400 5100 4400
Wire Wire Line
	5100 4450 5100 4400
Connection ~ 5100 4400
Wire Wire Line
	5100 4400 5300 4400
Wire Wire Line
	5250 4600 5300 4600
Wire Wire Line
	5300 4600 5300 4400
$Comp
L power:GND #PWR?
U 1 1 5E5D6BC0
P 5900 3300
AR Path="/5E5D6BC0" Ref="#PWR?"  Part="1" 
AR Path="/5E39B760/5E5D6BC0" Ref="#PWR0115"  Part="1" 
AR Path="/5E3EAB60/5E5D6BC0" Ref="#PWR0122"  Part="1" 
AR Path="/5E4039E6/5E5D6BC0" Ref="#PWR0128"  Part="1" 
AR Path="/5E4039EC/5E5D6BC0" Ref="#PWR0134"  Part="1" 
AR Path="/5E4039F2/5E5D6BC0" Ref="#PWR0140"  Part="1" 
AR Path="/5E4039E0/5E5D6BC0" Ref="#PWR0146"  Part="1" 
AR Path="/5E3EC44B/5E5D6BC0" Ref="#PWR0152"  Part="1" 
AR Path="/5E3ED540/5E5D6BC0" Ref="#PWR0158"  Part="1" 
F 0 "#PWR0115" H 5900 3050 50  0001 C CNN
F 1 "GND" H 5905 3127 50  0000 C CNN
F 2 "" H 5900 3300 50  0001 C CNN
F 3 "" H 5900 3300 50  0001 C CNN
	1    5900 3300
	1    0    0    -1  
$EndComp
Connection ~ 4950 3500
Wire Wire Line
	4950 2800 5000 2800
Wire Wire Line
	5300 2800 5600 2800
$Comp
L Device:R_US R-?
U 1 1 5E5D6BC6
P 4150 3500
AR Path="/5E5D6BC6" Ref="R-?"  Part="1" 
AR Path="/5E39B760/5E5D6BC6" Ref="R-1"  Part="1" 
AR Path="/5E3EAB60/5E5D6BC6" Ref="R-2"  Part="1" 
AR Path="/5E4039E6/5E5D6BC6" Ref="R-6"  Part="1" 
AR Path="/5E4039EC/5E5D6BC6" Ref="R-7"  Part="1" 
AR Path="/5E4039F2/5E5D6BC6" Ref="R-8"  Part="1" 
AR Path="/5E4039E0/5E5D6BC6" Ref="R-5"  Part="1" 
AR Path="/5E3EC44B/5E5D6BC6" Ref="R-3"  Part="1" 
AR Path="/5E3ED540/5E5D6BC6" Ref="R-4"  Part="1" 
F 0 "R-1" V 4250 3400 50  0000 C CNN
F 1 "1k" V 4250 3600 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 4190 3490 50  0001 C CNN
F 3 "~" H 4150 3500 50  0001 C CNN
	1    4150 3500
	0    1    -1   0   
$EndComp
Wire Wire Line
	4600 3900 4600 4200
Wire Wire Line
	4600 3900 5000 3900
$Comp
L power:GND #PWR?
U 1 1 5E66C0EF
P 4500 3300
AR Path="/5E66C0EF" Ref="#PWR?"  Part="1" 
AR Path="/5E39B760/5E66C0EF" Ref="#PWR0117"  Part="1" 
AR Path="/5E3EAB60/5E66C0EF" Ref="#PWR0123"  Part="1" 
AR Path="/5E4039E6/5E66C0EF" Ref="#PWR0129"  Part="1" 
AR Path="/5E4039EC/5E66C0EF" Ref="#PWR0135"  Part="1" 
AR Path="/5E4039F2/5E66C0EF" Ref="#PWR0141"  Part="1" 
AR Path="/5E4039E0/5E66C0EF" Ref="#PWR0147"  Part="1" 
AR Path="/5E3EC44B/5E66C0EF" Ref="#PWR0153"  Part="1" 
AR Path="/5E3ED540/5E66C0EF" Ref="#PWR0159"  Part="1" 
F 0 "#PWR0117" H 4500 3050 50  0001 C CNN
F 1 "GND" H 4600 3200 50  0000 C CNN
F 2 "" H 4500 3300 50  0001 C CNN
F 3 "" H 4500 3300 50  0001 C CNN
	1    4500 3300
	1    0    0    -1  
$EndComp
Wire Wire Line
	4300 3500 4950 3500
Wire Wire Line
	4800 3000 4800 3300
Wire Wire Line
	4800 3300 5000 3300
Wire Wire Line
	2500 3500 3000 3500
Wire Wire Line
	3000 3500 3000 3000
Wire Wire Line
	3000 3000 4000 3000
Wire Wire Line
	3000 3500 3000 3700
Wire Wire Line
	3000 3700 5000 3700
Connection ~ 3000 3500
Wire Wire Line
	4000 3500 3900 3500
Wire Wire Line
	3900 3500 3900 4200
Wire Wire Line
	3900 4200 4600 4200
Connection ~ 4600 4200
Wire Wire Line
	4600 4200 4600 4400
Wire Wire Line
	6500 4100 6000 4100
Wire Wire Line
	6000 3800 5600 3800
$Comp
L LM358:LM358 U?
U 1 1 5E5D6B7B
P 5000 3600
AR Path="/5E5D6B7B" Ref="U?"  Part="1" 
AR Path="/5E39B760/5E5D6B7B" Ref="U1"  Part="1" 
AR Path="/5E3EAB60/5E5D6B7B" Ref="U2"  Part="1" 
AR Path="/5E4039E6/5E5D6B7B" Ref="U6"  Part="1" 
AR Path="/5E4039EC/5E5D6B7B" Ref="U7"  Part="1" 
AR Path="/5E4039F2/5E5D6B7B" Ref="U8"  Part="1" 
AR Path="/5E4039E0/5E5D6B7B" Ref="U5"  Part="1" 
AR Path="/5E3EC44B/5E5D6B7B" Ref="U3"  Part="1" 
AR Path="/5E3ED540/5E5D6B7B" Ref="U4"  Part="1" 
F 0 "U1" H 5150 4150 60  0000 C CNN
F 1 "LM358" H 5150 4050 60  0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_LongPads" H 5150 3150 60  0001 C CNN
F 3 "" H 5000 3600 60  0000 C CNN
	1    5000 3600
	1    0    0    -1  
$EndComp
Connection ~ 5300 4400
Wire Wire Line
	6000 3800 6000 4100
Wire Wire Line
	5300 4400 6850 4400
Text Notes 6300 5250 0    50   ~ 0
CONSTANT CURRENT DRIVER\nI = V_CONTROL / RV
Wire Notes Line
	3800 2500 3800 3600
Wire Notes Line
	3800 3600 7500 3600
$Comp
L Device:R_US R+?
U 1 1 5E5D6BCC
P 4150 3000
AR Path="/5E5D6BCC" Ref="R+?"  Part="1" 
AR Path="/5E39B760/5E5D6BCC" Ref="R+1"  Part="1" 
AR Path="/5E3EAB60/5E5D6BCC" Ref="R+2"  Part="1" 
AR Path="/5E4039E6/5E5D6BCC" Ref="R+6"  Part="1" 
AR Path="/5E4039EC/5E5D6BCC" Ref="R+7"  Part="1" 
AR Path="/5E4039F2/5E5D6BCC" Ref="R+8"  Part="1" 
AR Path="/5E4039E0/5E5D6BCC" Ref="R+5"  Part="1" 
AR Path="/5E3EC44B/5E5D6BCC" Ref="R+3"  Part="1" 
AR Path="/5E3ED540/5E5D6BCC" Ref="R+4"  Part="1" 
F 0 "R+1" V 4050 3100 50  0000 C CNN
F 1 "1k" V 4050 2900 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 4190 2990 50  0001 C CNN
F 3 "~" H 4150 3000 50  0001 C CNN
	1    4150 3000
	0    -1   1    0   
$EndComp
Wire Notes Line
	3800 2500 7500 2500
Text Notes 6300 2800 0    50   ~ 0
DIFFERENTIAL AMPLIFIER\nTRANSISTOR WILL CLOSE WHEN\nVOLTAGE DIFF.  >  20 mV 
Wire Wire Line
	5600 2800 5600 3100
Wire Wire Line
	5900 2900 6850 2900
Connection ~ 5600 3100
Wire Wire Line
	5600 3100 5600 3400
$Comp
L Device:R_US RF?
U 1 1 5E5D6BB9
P 5150 2800
AR Path="/5E5D6BB9" Ref="RF?"  Part="1" 
AR Path="/5E39B760/5E5D6BB9" Ref="RF1"  Part="1" 
AR Path="/5E3EAB60/5E5D6BB9" Ref="RF2"  Part="1" 
AR Path="/5E4039E6/5E5D6BB9" Ref="RF6"  Part="1" 
AR Path="/5E4039EC/5E5D6BB9" Ref="RF7"  Part="1" 
AR Path="/5E4039F2/5E5D6BB9" Ref="RF8"  Part="1" 
AR Path="/5E4039E0/5E5D6BB9" Ref="RF5"  Part="1" 
AR Path="/5E3EC44B/5E5D6BB9" Ref="RF3"  Part="1" 
AR Path="/5E3ED540/5E5D6BB9" Ref="RF4"  Part="1" 
F 0 "RF1" V 5050 2900 50  0000 C CNN
F 1 "100k" V 5050 2700 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 5190 2790 50  0001 C CNN
F 3 "~" H 5150 2800 50  0001 C CNN
	1    5150 2800
	0    -1   1    0   
$EndComp
Wire Wire Line
	4300 3000 4500 3000
Wire Wire Line
	4500 3000 4800 3000
Connection ~ 4500 3000
$Comp
L Device:R_US RG?
U 1 1 5E66B3AD
P 4500 3150
AR Path="/5E66B3AD" Ref="RG?"  Part="1" 
AR Path="/5E39B760/5E66B3AD" Ref="RG1"  Part="1" 
AR Path="/5E3EAB60/5E66B3AD" Ref="RG2"  Part="1" 
AR Path="/5E4039E6/5E66B3AD" Ref="RG6"  Part="1" 
AR Path="/5E4039EC/5E66B3AD" Ref="RG7"  Part="1" 
AR Path="/5E4039F2/5E66B3AD" Ref="RG8"  Part="1" 
AR Path="/5E4039E0/5E66B3AD" Ref="RG5"  Part="1" 
AR Path="/5E3EC44B/5E66B3AD" Ref="RG3"  Part="1" 
AR Path="/5E3ED540/5E66B3AD" Ref="RG4"  Part="1" 
F 0 "RG1" V 4600 3150 50  0000 C CNN
F 1 "100k" V 4386 3150 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 4540 3140 50  0001 C CNN
F 3 "~" H 4500 3150 50  0001 C CNN
	1    4500 3150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	5100 4750 5100 4850
Wire Notes Line
	4500 5500 7500 5500
Wire Notes Line
	4500 3600 4500 5500
Wire Notes Line
	7500 2500 7500 5500
$Comp
L Device:R_US RL6
U 1 1 5E3668AF
P 5100 5000
AR Path="/5E4039E6/5E3668AF" Ref="RL6"  Part="1" 
AR Path="/5E39B760/5E3668AF" Ref="RL1"  Part="1" 
AR Path="/5E3EAB60/5E3668AF" Ref="RL2"  Part="1" 
AR Path="/5E4039EC/5E3668AF" Ref="RL7"  Part="1" 
AR Path="/5E4039F2/5E3668AF" Ref="RL8"  Part="1" 
AR Path="/5E4039E0/5E3668AF" Ref="RL5"  Part="1" 
AR Path="/5E3EC44B/5E3668AF" Ref="RL3"  Part="1" 
AR Path="/5E3ED540/5E3668AF" Ref="RL4"  Part="1" 
F 0 "RL1" H 5033 4954 50  0000 R CNN
F 1 "10" H 5033 5045 50  0000 R CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 5140 4990 50  0001 C CNN
F 3 "~" H 5100 5000 50  0001 C CNN
	1    5100 5000
	1    0    0    1   
$EndComp
$EndSCHEMATC