pcb tweakery

This commit is contained in:
Matthew Kennedy 2020-09-28 14:09:20 -07:00
parent 6761ec2bc7
commit e8c012b128
3 changed files with 1173 additions and 1058 deletions

File diff suppressed because it is too large Load Diff

View File

@ -1,4 +1,4 @@
update=Thursday, September 17, 2020 at 11:00:43 PM
update=Monday, September 21, 2020 at 12:52:09 PM
version=1
last_client=kicad
[general]
@ -29,9 +29,10 @@ MinMicroViaDiameter=0.2
MinMicroViaDrill=0.09999999999999999
MinHoleToHole=0.25
TrackWidth1=0.25
TrackWidth2=0.25
TrackWidth3=0.5
TrackWidth4=3
TrackWidth2=0.2032
TrackWidth3=0.25
TrackWidth4=0.5
TrackWidth5=3
ViaDiameter1=0.6
ViaDrill1=0.3
ViaDiameter2=0.6

View File

@ -21,29 +21,29 @@ Text Label 7925 5100 2 50 ~ 0
LSU_Un
Text Label 7925 5000 2 50 ~ 0
LSU_Rtrim
Text Label 3150 3425 2 50 ~ 0
Text Label 3000 3700 2 50 ~ 0
LSU_Ip
$Comp
L Device:R R10
U 1 1 5EB087E2
P 3225 3200
F 0 "R10" H 3295 3246 50 0000 L CNN
F 1 "61.9" H 3295 3155 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3155 3200 50 0001 C CNN
F 3 "~" H 3225 3200 50 0001 C CNN
F 4 "C23092" H 3225 3200 50 0001 C CNN "LCSC"
1 3225 3200
P 3075 3475
F 0 "R10" H 3145 3521 50 0000 L CNN
F 1 "61.9" H 3145 3430 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3005 3475 50 0001 C CNN
F 3 "~" H 3075 3475 50 0001 C CNN
F 4 "C23092" H 3075 3475 50 0001 C CNN "LCSC"
1 3075 3475
1 0 0 -1
$EndComp
Wire Wire Line
3225 3050 3225 2975
3075 3325 3075 3250
Wire Wire Line
3225 3350 3225 3425
3075 3625 3075 3700
Wire Wire Line
3225 3425 3150 3425
3075 3700 3000 3700
Text Label 4000 1100 2 50 ~ 0
LSU_Vm
Text Notes 2900 2750 0 50 ~ 0
Text Notes 3100 3000 0 50 ~ 0
Pump Current Sense
$Comp
L Device:R R2
@ -149,144 +149,104 @@ Pump Ref Current - 20uA source
$Comp
L Device:R R11
U 1 1 5EB31C23
P 3925 3075
F 0 "R11" V 3825 3075 50 0000 C CNN
F 1 "10k" V 3925 3075 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3855 3075 50 0001 C CNN
F 3 "~" H 3925 3075 50 0001 C CNN
F 4 "C25744" H 3925 3075 50 0001 C CNN "LCSC"
1 3925 3075
P 3775 3350
F 0 "R11" V 3675 3350 50 0000 C CNN
F 1 "10k" V 3775 3350 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3705 3350 50 0001 C CNN
F 3 "~" H 3775 3350 50 0001 C CNN
F 4 "C25744" H 3775 3350 50 0001 C CNN "LCSC"
1 3775 3350
0 1 1 0
$EndComp
$Comp
L Device:R R12
U 1 1 5EB335A9
P 3925 3275
F 0 "R12" V 4025 3275 50 0000 C CNN
F 1 "10k" V 3925 3275 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3855 3275 50 0001 C CNN
F 3 "~" H 3925 3275 50 0001 C CNN
F 4 "C25744" H 3925 3275 50 0001 C CNN "LCSC"
1 3925 3275
P 3775 3550
F 0 "R12" V 3875 3550 50 0000 C CNN
F 1 "10k" V 3775 3550 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3705 3550 50 0001 C CNN
F 3 "~" H 3775 3550 50 0001 C CNN
F 4 "C25744" H 3775 3550 50 0001 C CNN "LCSC"
1 3775 3550
0 1 1 0
$EndComp
Wire Wire Line
4075 3075 4150 3075
3925 3350 4000 3350
Wire Wire Line
3775 3275 3500 3275
3625 3550 3350 3550
Wire Wire Line
3500 3275 3500 3425
3350 3550 3350 3700
Wire Wire Line
3500 3425 3225 3425
Connection ~ 3225 3425
3350 3700 3075 3700
Connection ~ 3075 3700
Wire Wire Line
3225 2975 3500 2975
3075 3250 3350 3250
Wire Wire Line
3500 2975 3500 3075
3350 3250 3350 3350
Wire Wire Line
3500 3075 3775 3075
Connection ~ 3225 2975
3350 3350 3625 3350
$Comp
L Device:R R15
U 1 1 5EB37011
P 4150 3600
F 0 "R15" V 4075 3550 50 0000 L CNN
F 1 "100k" V 4150 3525 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4080 3600 50 0001 C CNN
F 3 "~" H 4150 3600 50 0001 C CNN
F 4 "C25471" H 4150 3600 50 0001 C CNN "LCSC"
1 4150 3600
1 0 0 -1
$EndComp
Wire Wire Line
4150 3450 4150 3275
Connection ~ 4150 3275
Wire Wire Line
4150 3275 4075 3275
$Comp
L Device:R R17
U 1 1 5EB38FC0
P 4500 2800
F 0 "R17" V 4400 2800 50 0000 C CNN
F 1 "100k" V 4500 2800 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4430 2800 50 0001 C CNN
F 3 "~" H 4500 2800 50 0001 C CNN
F 4 "C25471" H 4500 2800 50 0001 C CNN "LCSC"
1 4500 2800
P 3775 3875
F 0 "R15" V 3700 3825 50 0000 L CNN
F 1 "100k" V 3775 3800 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3705 3875 50 0001 C CNN
F 3 "~" H 3775 3875 50 0001 C CNN
F 4 "C25471" H 3775 3875 50 0001 C CNN "LCSC"
1 3775 3875
0 1 1 0
$EndComp
Wire Wire Line
4350 2800 4150 2800
3925 3875 4000 3875
$Comp
L Device:R R17
U 1 1 5EB38FC0
P 4350 3075
F 0 "R17" V 4250 3075 50 0000 C CNN
F 1 "100k" V 4350 3075 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4280 3075 50 0001 C CNN
F 3 "~" H 4350 3075 50 0001 C CNN
F 4 "C25471" H 4350 3075 50 0001 C CNN "LCSC"
1 4350 3075
0 1 1 0
$EndComp
Wire Wire Line
4150 2800 4150 3075
Connection ~ 4150 3075
4200 3075 4000 3075
Wire Wire Line
4650 2800 4900 2800
4000 3075 4000 3350
Connection ~ 4000 3350
Wire Wire Line
4900 2800 4900 3175
4500 3075 4750 3075
Wire Wire Line
4900 3175 4800 3175
Text Label 5025 3175 0 50 ~ 0
4750 3075 4750 3450
Wire Wire Line
4750 3450 4650 3450
Text Label 5625 3450 2 50 ~ 0
Ip_sense
Wire Wire Line
5025 3175 4900 3175
Connection ~ 4900 3175
Text Notes 825 2450 0 50 ~ 0
Connection ~ 4750 3450
Text Notes 1100 2225 0 50 ~ 0
Pump Driver
Text Label 1075 3075 2 50 ~ 0
Text Label 1100 2575 0 50 ~ 0
Ip_dac
$Comp
L Device:R R8
U 1 1 5EB3C02D
P 2175 2975
F 0 "R8" V 1968 2975 50 0000 C CNN
F 1 "10" V 2059 2975 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 2105 2975 50 0001 C CNN
F 3 "~" H 2175 2975 50 0001 C CNN
F 4 "C25077" H 2175 2975 50 0001 C CNN "LCSC"
1 2175 2975
0 1 1 0
P 2550 2875
F 0 "R8" V 2450 2875 50 0000 C CNN
F 1 "47" V 2550 2875 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 2480 2875 50 0001 C CNN
F 3 "~" H 2550 2875 50 0001 C CNN
F 4 "C25118" H 2550 2875 50 0001 C CNN "LCSC"
1 2550 2875
-1 0 0 1
$EndComp
Wire Wire Line
1900 2625 1150 2625
1775 2575 1850 2575
Wire Wire Line
1150 2625 1150 2875
Wire Wire Line
1150 2875 1225 2875
Wire Wire Line
1075 3075 1225 3075
$Comp
L Device:C C3
U 1 1 5EB3F97C
P 2425 3225
F 0 "C3" H 2540 3271 50 0000 L CNN
F 1 "100n" H 2540 3180 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2463 3075 50 0001 C CNN
F 3 "~" H 2425 3225 50 0001 C CNN
F 4 "C1525" H 2425 3225 50 0001 C CNN "LCSC"
1 2425 3225
1 0 0 -1
$EndComp
Wire Wire Line
2425 3075 2425 2975
Wire Wire Line
2425 2975 2325 2975
$Comp
L power:GND #PWR05
U 1 1 5EB40E1E
P 2425 3375
F 0 "#PWR05" H 2425 3125 50 0001 C CNN
F 1 "GND" H 2430 3202 50 0000 C CNN
F 2 "" H 2425 3375 50 0001 C CNN
F 3 "" H 2425 3375 50 0001 C CNN
1 2425 3375
1 0 0 -1
$EndComp
Text Label 3225 2975 2 50 ~ 0
1700 2775 1775 2775
Text Label 3075 3250 2 50 ~ 0
LSU_Rtrim
Wire Wire Line
2425 2975 3225 2975
Connection ~ 2425 2975
$Comp
L power:+3.3V #PWR02
U 1 1 5EC0734A
@ -387,12 +347,8 @@ Text Notes 3800 900 0 50 ~ 0
Nernst Sense
Text Notes 3950 1825 0 50 ~ 0
Un_sense = 2.7 * (Un - Vm)
Text Notes 4300 3600 0 50 ~ 0
Text Notes 3250 4050 0 50 ~ 0
Ip_sense = 10 * (LSU_Ip - LSU_Rtrim)
Wire Wire Line
4050 3800 4150 3800
Wire Wire Line
4150 3800 4150 3750
Wire Wire Line
4450 1300 4550 1300
Wire Wire Line
@ -421,7 +377,7 @@ Text Label 2150 1375 0 50 ~ 0
Vm
Text Label 3025 1375 0 50 ~ 0
LSU_Vm
Text Label 4050 3800 2 50 ~ 0
Text Label 3450 3875 0 50 ~ 0
Vm
$Comp
L Device:C C4
@ -515,13 +471,6 @@ Text Label 10275 1425 2 50 ~ 0
nRESET
Text Label 5675 5050 0 50 ~ 0
heater_pwm
Wire Wire Line
1900 2975 1825 2975
Connection ~ 1900 2975
Wire Wire Line
1900 2975 1900 2625
Wire Wire Line
2025 2975 1900 2975
Text Label 4975 4375 3 50 ~ 0
Nernst_esr_drive
$Comp
@ -900,29 +849,27 @@ $EndComp
$Comp
L Amplifier_Operational:MCP6004 U1
U 1 1 5F8980DF
P 1525 2975
F 0 "U1" H 1675 3225 50 0000 C CNN
F 1 "MCP6004" H 1700 3125 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 1475 3075 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 1575 3175 50 0001 C CNN
F 4 "C50282" H 1525 2975 50 0001 C CNN "LCSC"
1 1525 2975
P 2150 2675
F 0 "U1" H 2125 2900 50 0000 C CNN
F 1 "MCP6004" H 2150 2450 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 2100 2775 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 2200 2875 50 0001 C CNN
F 4 "C50282" H 2150 2675 50 0001 C CNN "LCSC"
1 2150 2675
1 0 0 1
$EndComp
Wire Wire Line
4200 3275 4150 3275
Wire Wire Line
4150 3075 4200 3075
4000 3350 4050 3350
$Comp
L Amplifier_Operational:MCP6004 U1
U 3 1 5F8996DF
P 4500 3175
F 0 "U1" H 4650 3425 50 0000 C CNN
F 1 "MCP6004" H 4675 3325 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 4450 3275 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 4550 3375 50 0001 C CNN
F 4 "C50282" H 4500 3175 50 0001 C CNN "LCSC"
3 4500 3175
P 4350 3450
F 0 "U1" H 4500 3700 50 0000 C CNN
F 1 "MCP6004" H 4525 3600 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 4300 3550 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 4400 3650 50 0001 C CNN
F 4 "C50282" H 4350 3450 50 0001 C CNN "LCSC"
3 4350 3450
1 0 0 1
$EndComp
$Comp
@ -1037,10 +984,8 @@ Wire Wire Line
4975 4375 4975 5100
Text Label 2100 6625 2 50 ~ 0
Pump_Ref_Feedback
Text Label 10900 2175 2 50 ~ 0
Text Label 8850 2725 2 50 ~ 0
Ip_sense
Wire Wire Line
10400 2175 10900 2175
Wire Wire Line
7675 1750 7675 1650
$Comp
@ -1122,42 +1067,42 @@ $EndComp
$Comp
L Device:C C11
U 1 1 5FE80F0F
P 10025 2400
F 0 "C11" H 10140 2446 50 0000 L CNN
F 1 "100n" H 10140 2355 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 10063 2250 50 0001 C CNN
F 3 "~" H 10025 2400 50 0001 C CNN
F 4 "C1525" H 10025 2400 50 0001 C CNN "LCSC"
1 10025 2400
1 0 0 -1
P 5225 3675
F 0 "C11" H 5340 3721 50 0000 L CNN
F 1 "100n" H 5340 3630 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 5263 3525 50 0001 C CNN
F 3 "~" H 5225 3675 50 0001 C CNN
F 4 "C1525" H 5225 3675 50 0001 C CNN "LCSC"
1 5225 3675
-1 0 0 -1
$EndComp
$Comp
L Device:R R24
U 1 1 5FE81AAB
P 10250 2175
F 0 "R24" V 10043 2175 50 0000 C CNN
F 1 "3.3k" V 10134 2175 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 10180 2175 50 0001 C CNN
F 3 "~" H 10250 2175 50 0001 C CNN
F 4 "C25890" H 10250 2175 50 0001 C CNN "LCSC"
1 10250 2175
0 1 1 0
P 5000 3450
F 0 "R24" V 4793 3450 50 0000 C CNN
F 1 "3.3k" V 4884 3450 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4930 3450 50 0001 C CNN
F 3 "~" H 5000 3450 50 0001 C CNN
F 4 "C25890" H 5000 3450 50 0001 C CNN "LCSC"
1 5000 3450
0 -1 1 0
$EndComp
$Comp
L power:GND #PWR0106
U 1 1 5FE88E31
P 10025 2550
F 0 "#PWR0106" H 10025 2300 50 0001 C CNN
F 1 "GND" H 10030 2377 50 0000 C CNN
F 2 "" H 10025 2550 50 0001 C CNN
F 3 "" H 10025 2550 50 0001 C CNN
1 10025 2550
1 0 0 -1
P 5225 3825
F 0 "#PWR0106" H 5225 3575 50 0001 C CNN
F 1 "GND" H 5230 3652 50 0000 C CNN
F 2 "" H 5225 3825 50 0001 C CNN
F 3 "" H 5225 3825 50 0001 C CNN
1 5225 3825
-1 0 0 -1
$EndComp
Wire Wire Line
10025 2250 10025 2175
5225 3525 5225 3450
Wire Wire Line
10025 2175 10100 2175
5225 3450 5150 3450
Text Label 8850 3625 2 50 ~ 0
CAN_RX
Wire Wire Line
@ -1386,10 +1331,10 @@ F 3 "" H 10625 4100 50 0001 C CNN
1 10625 4100
0 -1 -1 0
$EndComp
Text Label 8900 3225 2 50 ~ 0
Text Label 8850 3225 2 50 ~ 0
heater_pwm
Wire Wire Line
8900 3225 8375 3225
8850 3225 8375 3225
Wire Wire Line
8350 4600 6925 4600
Wire Wire Line
@ -1553,12 +1498,8 @@ Wire Wire Line
Text Label 8850 2625 2 50 ~ 0
LSU_Vm
Wire Wire Line
10025 2175 9775 2175
Wire Wire Line
9775 2175 9775 2725
Wire Wire Line
9775 2725 8375 2725
Connection ~ 10025 2175
5225 3450 5625 3450
Connection ~ 5225 3450
$Comp
L MCU_ST_STM32F0:STM32F042K6Ux U4
U 1 1 604EAF38
@ -1592,51 +1533,7 @@ Wire Wire Line
7375 2525 7075 2525
Wire Wire Line
7375 2200 7375 2025
Connection ~ 9800 3125
Wire Wire Line
9800 3125 9725 3125
Wire Wire Line
9800 3200 9800 3125
$Comp
L power:GND #PWR0119
U 1 1 60487769
P 9800 3500
F 0 "#PWR0119" H 9800 3250 50 0001 C CNN
F 1 "GND" H 9805 3327 50 0000 C CNN
F 2 "" H 9800 3500 50 0001 C CNN
F 3 "" H 9800 3500 50 0001 C CNN
1 9800 3500
1 0 0 -1
$EndComp
Wire Wire Line
8375 3125 9425 3125
$Comp
L Device:C C15
U 1 1 6044EBCC
P 9800 3350
F 0 "C15" H 9915 3396 50 0000 L CNN
F 1 "100n" H 9915 3305 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 9838 3200 50 0001 C CNN
F 3 "~" H 9800 3350 50 0001 C CNN
F 4 "C1525" H 9800 3350 50 0001 C CNN "LCSC"
1 9800 3350
1 0 0 -1
$EndComp
$Comp
L Device:R R28
U 1 1 6044E8C3
P 9575 3125
F 0 "R28" V 9368 3125 50 0000 C CNN
F 1 "3.3k" V 9459 3125 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 9505 3125 50 0001 C CNN
F 3 "~" H 9575 3125 50 0001 C CNN
F 4 "C25890" H 9575 3125 50 0001 C CNN "LCSC"
1 9575 3125
0 1 1 0
$EndComp
Wire Wire Line
9800 3125 10275 3125
Text Label 10275 3125 2 50 ~ 0
Text Label 8850 3125 2 50 ~ 0
Ip_dac
NoConn ~ 8375 2825
NoConn ~ 8375 2925
@ -1827,4 +1724,132 @@ F 3 "" H 1450 7375 50 0001 C CNN
1 1450 7375
1 0 0 -1
$EndComp
$Comp
L Device:R R33
U 1 1 5F6F3B55
P 2100 2200
F 0 "R33" V 2200 2150 50 0000 L CNN
F 1 "10k" V 2100 2125 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 2030 2200 50 0001 C CNN
F 3 "~" H 2100 2200 50 0001 C CNN
F 4 "C25744" H 2100 2200 50 0001 C CNN "LCSC"
1 2100 2200
0 1 1 0
$EndComp
$Comp
L Device:R R34
U 1 1 5F6F4038
P 2100 3075
F 0 "R34" V 2200 3025 50 0000 L CNN
F 1 "10k" V 2100 3000 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 2030 3075 50 0001 C CNN
F 3 "~" H 2100 3075 50 0001 C CNN
F 4 "C25744" H 2100 3075 50 0001 C CNN "LCSC"
1 2100 3075
0 1 1 0
$EndComp
Wire Wire Line
2550 2725 2550 2675
Wire Wire Line
2550 2675 2450 2675
Wire Wire Line
2250 3075 2550 3075
Wire Wire Line
2550 3075 2550 3025
Wire Wire Line
1950 3075 1775 3075
Wire Wire Line
1775 3075 1775 2775
Connection ~ 1775 2775
Wire Wire Line
1775 2775 1850 2775
Wire Wire Line
2250 2200 2350 2200
Wire Wire Line
2550 2200 2550 2675
Connection ~ 2550 2675
Wire Wire Line
1775 2200 1850 2200
Wire Wire Line
1775 2200 1775 2575
$Comp
L Device:R R32
U 1 1 5F77EEDE
P 1550 2775
F 0 "R32" V 1650 2775 50 0000 C CNN
F 1 "68k" V 1550 2775 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 1480 2775 50 0001 C CNN
F 3 "~" H 1550 2775 50 0001 C CNN
F 4 "C36871" H 1550 2775 50 0001 C CNN "LCSC"
1 1550 2775
0 1 1 0
$EndComp
$Comp
L Device:R R31
U 1 1 5F77F74C
P 1550 2575
F 0 "R31" V 1650 2575 50 0000 C CNN
F 1 "68k" V 1550 2575 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 1480 2575 50 0001 C CNN
F 3 "~" H 1550 2575 50 0001 C CNN
F 4 "C36871" H 1550 2575 50 0001 C CNN "LCSC"
1 1550 2575
0 -1 -1 0
$EndComp
Wire Wire Line
1700 2575 1775 2575
Connection ~ 1775 2575
Text Label 1100 2775 0 50 ~ 0
Vm
Wire Wire Line
2550 3075 3075 3075
Wire Wire Line
3075 3075 3075 3250
Connection ~ 2550 3075
Connection ~ 3075 3250
Wire Wire Line
1100 2775 1400 2775
Wire Wire Line
1100 2575 1400 2575
$Comp
L Device:C C3
U 1 1 5F942576
P 2100 2000
F 0 "C3" V 1848 2000 50 0000 C CNN
F 1 "33n" V 1939 2000 50 0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2138 1850 50 0001 C CNN
F 3 "~" H 2100 2000 50 0001 C CNN
F 4 "C1585" H 2100 2000 50 0001 C CNN "LCSC"
1 2100 2000
0 1 1 0
$EndComp
Wire Wire Line
1950 2000 1850 2000
Wire Wire Line
1850 2000 1850 2200
Connection ~ 1850 2200
Wire Wire Line
1850 2200 1950 2200
Wire Wire Line
2250 2000 2350 2000
Wire Wire Line
2350 2000 2350 2200
Connection ~ 2350 2200
Wire Wire Line
2350 2200 2550 2200
Wire Wire Line
3925 3550 4000 3550
Wire Wire Line
3450 3875 3625 3875
Wire Wire Line
4000 3550 4000 3875
Connection ~ 4000 3550
Wire Wire Line
4000 3550 4050 3550
Wire Wire Line
8850 3125 8375 3125
Wire Wire Line
4750 3450 4850 3450
Wire Wire Line
8375 2725 8850 2725
$EndSCHEMATC