first draft driver-pcb

1 files changed, 209 insertions, 283 deletions

diff --git a/potentiosynth/driver-pcb/kicad/active-feedback.sch-bak b/potentiosynth/driver-pcb/kicad/active-feedback.sch-bak
index 97626ba..0dc6fca 100644
--- a/potentiosynth/driver-pcb/kicad/active-feedback.sch-bak
+++ b/potentiosynth/driver-pcb/kicad/active-feedback.sch-bak
@@ -3,44 +3,20 @@ 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"
+Sheet 3 9
+Title "potentiosynth"
+Date "2021-05-07"
+Rev "A"
 Comp "University of Wisconsin-Madison"
-Comment1 "Instrument Shop"
+Comment1 "Wickens Group"
 Comment2 "Department of Chemistry"
 Comment3 "Blaise Thompson"
-Comment4 "bthompson@chem.wisc.edu"
+Comment4 "blaise.thompson@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
+Text HLabel 6850 3800 2    50   BiDi ~ 0
+COUNTER
+Text HLabel 6850 4400 2    50   BiDi ~ 0
+REFERENCE
 $Comp
 L power:GND #PWR?
 U 1 1 5E5D6B75
@@ -54,130 +30,15 @@ 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 0 "#PWR0125" 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
+	4600 2800 4600 3500
 $Comp
 L power:GND #PWR?
 U 1 1 5E5D6BC0
@@ -191,22 +52,17 @@ 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 0 "#PWR0128" 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
+P 4050 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" 
@@ -216,21 +72,19 @@ 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
+F 0 "R-8" V 4150 3400 50  0000 C CNN
+F 1 "1k" V 4150 3600 50  0000 C CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 4090 3490 50  0001 C CNN
+F 3 "~" H 4050 3500 50  0001 C CNN
+	1    4050 3500
 	0    1    -1   0   
 $EndComp
 Wire Wire Line
-	4600 3900 4600 4200
-Wire Wire Line
 	4600 3900 5000 3900
 $Comp
 L power:GND #PWR?
 U 1 1 5E66C0EF
-P 4500 3300
+P 4300 3300
 AR Path="/5E66C0EF" Ref="#PWR?"  Part="1" 
 AR Path="/5E39B760/5E66C0EF" Ref="#PWR0117"  Part="1" 
 AR Path="/5E3EAB60/5E66C0EF" Ref="#PWR0123"  Part="1" 
@@ -240,78 +94,17 @@ AR Path="/5E4039F2/5E66C0EF" Ref="#PWR0141"  Part="1"
 AR Path="/5E4039E0/5E66C0EF" Ref="#PWR0147"  Part="1" 
 AR Path="/5E3EC44B/5E66C0EF" Ref="#PWR0153"  Part="1" 
 AR Path="/5E3ED540/5E66C0EF" Ref="#PWR0159"  Part="1" 
-F 0 "#PWR0117" H 4500 3050 50  0001 C CNN
-F 1 "GND" H 4600 3200 50  0000 C CNN
-F 2 "" H 4500 3300 50  0001 C CNN
-F 3 "" H 4500 3300 50  0001 C CNN
-	1    4500 3300
-	1    0    0    -1  
-$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
+F 0 "#PWR0129" H 4300 3050 50  0001 C CNN
+F 1 "GND" H 4400 3200 50  0000 C CNN
+F 2 "" H 4300 3300 50  0001 C CNN
+F 3 "" H 4300 3300 50  0001 C CNN
+	1    4300 3300
 	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
+P 4050 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" 
@@ -321,28 +114,21 @@ 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
+F 0 "R+8" V 3950 3100 50  0000 C CNN
+F 1 "1k" V 3950 2900 50  0000 C CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 4090 2990 50  0001 C CNN
+F 3 "~" H 4050 3000 50  0001 C CNN
+	1    4050 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
+P 5000 2800
 AR Path="/5E5D6BB9" Ref="RF?"  Part="1" 
 AR Path="/5E39B760/5E5D6BB9" Ref="RF1"  Part="1" 
 AR Path="/5E3EAB60/5E5D6BB9" Ref="RF2"  Part="1" 
@@ -352,22 +138,17 @@ 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
+F 0 "RF8" V 4900 2900 50  0000 C CNN
+F 1 "100k" V 4900 2700 50  0000 C CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 5040 2790 50  0001 C CNN
+F 3 "~" H 5000 2800 50  0001 C CNN
+	1    5000 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
+P 4300 3150
 AR Path="/5E66B3AD" Ref="RG?"  Part="1" 
 AR Path="/5E39B760/5E66B3AD" Ref="RG1"  Part="1" 
 AR Path="/5E3EAB60/5E66B3AD" Ref="RG2"  Part="1" 
@@ -377,38 +158,183 @@ 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
+F 0 "RG8" V 4400 3150 50  0000 C CNN
+F 1 "100k" V 4186 3150 50  0000 C CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 4340 3140 50  0001 C CNN
+F 3 "~" H 4300 3150 50  0001 C CNN
+	1    4300 3150
 	-1   0    0    -1  
 $EndComp
+Text HLabel 6850 2900 2    50   Output ~ 0
+ERROR
+$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 "#PWR0124" 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  
+$EndComp
 Wire Wire Line
-	5100 4750 5100 4850
+	4600 4400 6850 4400
+$Comp
+L Device:R_POT_US RV1
+U 1 1 6096BA3A
+P 2850 3500
+AR Path="/5E39B760/6096BA3A" Ref="RV1"  Part="1" 
+AR Path="/5E3EAB60/6096BA3A" Ref="RV2"  Part="1" 
+AR Path="/5E3EC44B/6096BA3A" Ref="RV3"  Part="1" 
+AR Path="/5E3ED540/6096BA3A" Ref="RV4"  Part="1" 
+AR Path="/5E4039E0/6096BA3A" Ref="RV5"  Part="1" 
+AR Path="/5E4039E6/6096BA3A" Ref="RV6"  Part="1" 
+AR Path="/5E4039EC/6096BA3A" Ref="RV7"  Part="1" 
+AR Path="/5E4039F2/6096BA3A" Ref="RV8"  Part="1" 
+F 0 "RV8" H 2783 3546 50  0000 R CNN
+F 1 "R_POT_US" H 2783 3455 50  0000 R CNN
+F 2 "Potentiometer_THT:Potentiometer_Bourns_3296X_Horizontal" H 2850 3500 50  0001 C CNN
+F 3 "~" H 2850 3500 50  0001 C CNN
+	1    2850 3500
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR0132
+U 1 1 6096D142
+P 2850 3650
+AR Path="/5E39B760/6096D142" Ref="#PWR0132"  Part="1" 
+AR Path="/5E3EAB60/6096D142" Ref="#PWR0126"  Part="1" 
+AR Path="/5E3EC44B/6096D142" Ref="#PWR0138"  Part="1" 
+AR Path="/5E3ED540/6096D142" Ref="#PWR0120"  Part="1" 
+AR Path="/5E4039E0/6096D142" Ref="#PWR0144"  Part="1" 
+AR Path="/5E4039E6/6096D142" Ref="#PWR0150"  Part="1" 
+AR Path="/5E4039EC/6096D142" Ref="#PWR0106"  Part="1" 
+AR Path="/5E4039F2/6096D142" Ref="#PWR0113"  Part="1" 
+F 0 "#PWR0150" H 2850 3400 50  0001 C CNN
+F 1 "GND" H 2855 3477 50  0000 C CNN
+F 2 "" H 2850 3650 50  0001 C CNN
+F 3 "" H 2850 3650 50  0001 C CNN
+	1    2850 3650
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+15V #PWR0133
+U 1 1 6096D768
+P 2850 3350
+AR Path="/5E39B760/6096D768" Ref="#PWR0133"  Part="1" 
+AR Path="/5E3EAB60/6096D768" Ref="#PWR0127"  Part="1" 
+AR Path="/5E3EC44B/6096D768" Ref="#PWR0139"  Part="1" 
+AR Path="/5E3ED540/6096D768" Ref="#PWR0121"  Part="1" 
+AR Path="/5E4039E0/6096D768" Ref="#PWR0145"  Part="1" 
+AR Path="/5E4039E6/6096D768" Ref="#PWR0151"  Part="1" 
+AR Path="/5E4039EC/6096D768" Ref="#PWR0109"  Part="1" 
+AR Path="/5E4039F2/6096D768" Ref="#PWR0114"  Part="1" 
+F 0 "#PWR0151" H 2850 3200 50  0001 C CNN
+F 1 "+15V" H 2865 3523 50  0000 C CNN
+F 2 "" H 2850 3350 50  0001 C CNN
+F 3 "" H 2850 3350 50  0001 C CNN
+	1    2850 3350
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5600 3800 6850 3800
+Wire Wire Line
+	4600 3900 4600 4400
+Wire Wire Line
+	3900 3500 3900 4400
+Wire Wire Line
+	3900 4400 4600 4400
+Connection ~ 4600 4400
+Wire Notes Line
+	7500 2500 3500 2500
+Wire Notes Line
+	3500 3600 7500 3600
+Wire Wire Line
+	5000 3700 3750 3700
+Wire Wire Line
+	3750 3700 3750 3500
+Wire Wire Line
+	3000 3500 3750 3500
+Connection ~ 3750 3500
+Wire Wire Line
+	3750 3500 3750 3000
+Wire Wire Line
+	4200 3500 4600 3500
+Wire Wire Line
+	4300 3000 4200 3000
+Wire Wire Line
+	3900 3000 3750 3000
+Wire Wire Line
+	4300 3000 4500 3000
+Wire Wire Line
+	4500 3000 4500 3300
+Wire Wire Line
+	4500 3300 5000 3300
+Connection ~ 4300 3000
+Connection ~ 4600 3500
+Wire Wire Line
+	4600 3500 5000 3500
+Wire Wire Line
+	5150 2800 5600 2800
+Wire Wire Line
+	4850 2800 4600 2800
 Wire Notes Line
-	4500 5500 7500 5500
+	7500 2500 7500 4700
 Wire Notes Line
-	4500 3600 4500 5500
+	7500 4700 3500 4700
 Wire Notes Line
-	7500 2500 7500 5500
+	3500 2500 3500 4700
+$Comp
+L TLV9152IDR:TLV9152IDR U1
+U 1 1 6096020C
+P 5000 3600
+AR Path="/5E39B760/6096020C" Ref="U1"  Part="1" 
+AR Path="/5E3EAB60/6096020C" Ref="U2"  Part="1" 
+AR Path="/5E3EC44B/6096020C" Ref="U3"  Part="1" 
+AR Path="/5E3ED540/6096020C" Ref="U4"  Part="1" 
+AR Path="/5E4039E0/6096020C" Ref="U5"  Part="1" 
+AR Path="/5E4039E6/6096020C" Ref="U6"  Part="1" 
+AR Path="/5E4039EC/6096020C" Ref="U7"  Part="1" 
+AR Path="/5E4039F2/6096020C" Ref="U8"  Part="1" 
+F 0 "U8" H 5250 4150 60  0000 C CNN
+F 1 "TLV9152IDR" H 5050 4050 60  0000 C CNN
+F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 5150 3150 60  0001 C CNN
+F 3 "" H 5000 3600 60  0000 C CNN
+	1    5000 3600
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5600 2800 5600 3100
+Connection ~ 5600 3100
+Wire Wire Line
+	5600 3100 5600 3400
 $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   
+L Device:Q_NMOS_GSD QE1
+U 1 1 609CA423
+P 5800 3100
+AR Path="/5E39B760/609CA423" Ref="QE1"  Part="1" 
+AR Path="/5E3EAB60/609CA423" Ref="QE2"  Part="1" 
+AR Path="/5E3EC44B/609CA423" Ref="QE3"  Part="1" 
+AR Path="/5E3ED540/609CA423" Ref="QE4"  Part="1" 
+AR Path="/5E4039E0/609CA423" Ref="QE5"  Part="1" 
+AR Path="/5E4039E6/609CA423" Ref="QE6"  Part="1" 
+AR Path="/5E4039EC/609CA423" Ref="QE7"  Part="1" 
+AR Path="/5E4039F2/609CA423" Ref="QE8"  Part="1" 
+F 0 "QE8" H 6004 3146 50  0000 L CNN
+F 1 "Q_NMOS_GSD" H 6004 3055 50  0000 L CNN
+F 2 "Package_TO_SOT_SMD:SOT-23_Handsoldering" H 6000 3200 50  0001 C CNN
+F 3 "~" H 5800 3100 50  0001 C CNN
+	1    5800 3100
+	1    0    0    -1  
 $EndComp
 $EndSCHEMATC