Change schematic for v1.3
* Use DCDC buck converter for digital 3V3 supply. * Add shielding for OPAmp section * Change frontend amplifier to an instrumentation amplifier design
This commit is contained in:
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be3c30d734
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07e0ea3191
455
digital-supply.sch
Normal file
455
digital-supply.sch
Normal file
@ -0,0 +1,455 @@
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EESchema Schematic File Version 4
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EELAYER 30 0
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EELAYER END
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$Descr A4 11693 8268
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encoding utf-8
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Sheet 3 4
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Title ""
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Date ""
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Rev ""
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Comp ""
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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Text HLabel 1000 1000 0 50 Input ~ 0
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Vin
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Text HLabel 8050 1200 2 50 Output ~ 0
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3V3out
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Wire Wire Line
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1000 1000 1250 1000
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Wire Wire Line
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1250 1000 1250 1350
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$Comp
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L Device:C C27
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||||
U 1 1 5FB7CC6B
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||||
P 1250 1500
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F 0 "C27" H 1365 1546 50 0000 L CNN
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F 1 "100n" H 1365 1455 50 0000 L CNN
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F 2 "" H 1288 1350 50 0001 C CNN
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F 3 "~" H 1250 1500 50 0001 C CNN
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1 1250 1500
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1 0 0 -1
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$EndComp
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$Comp
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||||
L Device:C C28
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U 1 1 5FB7D1DC
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P 1650 1500
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F 0 "C28" H 1765 1546 50 0000 L CNN
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F 1 "100n" H 1765 1455 50 0000 L CNN
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F 2 "" H 1688 1350 50 0001 C CNN
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F 3 "~" H 1650 1500 50 0001 C CNN
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1 1650 1500
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1 0 0 -1
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$EndComp
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$Comp
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||||
L Device:C C29
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U 1 1 5FB7DB9E
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P 2050 1500
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F 0 "C29" H 2165 1546 50 0000 L CNN
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F 1 "100n" H 2165 1455 50 0000 L CNN
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F 2 "" H 2088 1350 50 0001 C CNN
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F 3 "~" H 2050 1500 50 0001 C CNN
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1 2050 1500
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1 0 0 -1
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$EndComp
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Wire Wire Line
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1250 1000 1650 1000
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Wire Wire Line
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1650 1000 1650 1350
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Connection ~ 1250 1000
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Wire Wire Line
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1650 1000 2050 1000
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Wire Wire Line
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2050 1000 2050 1350
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Connection ~ 1650 1000
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$Comp
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||||
L Device:C C30
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U 1 1 5FB7EAF0
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P 2450 1500
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F 0 "C30" H 2565 1546 50 0000 L CNN
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F 1 "10u" H 2565 1455 50 0000 L CNN
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F 2 "" H 2488 1350 50 0001 C CNN
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F 3 "~" H 2450 1500 50 0001 C CNN
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1 2450 1500
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1 0 0 -1
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$EndComp
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Wire Wire Line
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2450 1350 2450 1000
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Wire Wire Line
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2450 1000 2050 1000
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Connection ~ 2050 1000
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Wire Wire Line
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2450 1650 2450 1950
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$Comp
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||||
L power:GND #PWR057
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U 1 1 5FB7F907
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P 2450 1950
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F 0 "#PWR057" H 2450 1700 50 0001 C CNN
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F 1 "GND" H 2455 1777 50 0000 C CNN
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F 2 "" H 2450 1950 50 0001 C CNN
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F 3 "" H 2450 1950 50 0001 C CNN
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1 2450 1950
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1 0 0 -1
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$EndComp
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Wire Wire Line
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2050 1650 2050 1950
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$Comp
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||||
L power:GND #PWR056
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||||
U 1 1 5FB807B9
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P 2050 1950
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F 0 "#PWR056" H 2050 1700 50 0001 C CNN
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F 1 "GND" H 2055 1777 50 0000 C CNN
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F 2 "" H 2050 1950 50 0001 C CNN
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F 3 "" H 2050 1950 50 0001 C CNN
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1 2050 1950
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1 0 0 -1
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$EndComp
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Wire Wire Line
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1650 1650 1650 1950
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$Comp
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L power:GND #PWR055
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U 1 1 5FB80A93
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P 1650 1950
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F 0 "#PWR055" H 1650 1700 50 0001 C CNN
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F 1 "GND" H 1655 1777 50 0000 C CNN
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F 2 "" H 1650 1950 50 0001 C CNN
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F 3 "" H 1650 1950 50 0001 C CNN
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1 1650 1950
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1 0 0 -1
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$EndComp
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Wire Wire Line
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1250 1650 1250 1950
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$Comp
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L power:GND #PWR054
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U 1 1 5FB81121
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P 1250 1950
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F 0 "#PWR054" H 1250 1700 50 0001 C CNN
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F 1 "GND" H 1255 1777 50 0000 C CNN
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F 2 "" H 1250 1950 50 0001 C CNN
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F 3 "" H 1250 1950 50 0001 C CNN
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1 1250 1950
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1 0 0 -1
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$EndComp
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$Comp
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L Regulator_Switching:LMR14206 U7
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U 1 1 5FB831B5
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P 4050 1200
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F 0 "U7" H 4050 1667 50 0000 C CNN
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F 1 "LMR14206" H 4050 1576 50 0000 C CNN
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F 2 "Package_TO_SOT_SMD:SOT-23-6" H 4050 700 50 0001 C CIN
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F 3 "http://www.ti.com/lit/ds/symlink/lmr14206.pdf" H 3650 1650 50 0001 C CNN
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1 4050 1200
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1 0 0 -1
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$EndComp
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Wire Wire Line
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3550 1200 3300 1200
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Wire Wire Line
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3300 1200 3300 1000
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Wire Wire Line
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3300 1000 3550 1000
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Wire Wire Line
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3300 1000 2450 1000
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Connection ~ 3300 1000
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Connection ~ 2450 1000
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Wire Wire Line
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4550 1200 4900 1200
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$Comp
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L Device:C C31
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U 1 1 5FB84F60
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P 4900 950
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F 0 "C31" H 5015 996 50 0000 L CNN
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F 1 "150n" H 5015 905 50 0000 L CNN
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F 2 "" H 4938 800 50 0001 C CNN
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F 3 "~" H 4900 950 50 0001 C CNN
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1 4900 950
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4900 1100 4900 1200
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Connection ~ 4900 1200
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Wire Wire Line
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4900 800 4900 750
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Wire Wire Line
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4900 750 4600 750
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Wire Wire Line
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4600 750 4600 1000
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Wire Wire Line
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4600 1000 4550 1000
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Wire Wire Line
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4050 1600 4050 1950
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$Comp
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L power:GND #PWR058
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U 1 1 5FB86596
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P 4050 1950
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F 0 "#PWR058" H 4050 1700 50 0001 C CNN
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F 1 "GND" H 4055 1777 50 0000 C CNN
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F 2 "" H 4050 1950 50 0001 C CNN
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F 3 "" H 4050 1950 50 0001 C CNN
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1 4050 1950
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1 0 0 -1
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$EndComp
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$Comp
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L Device:R R28
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U 1 1 5FB8838F
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P 5350 1400
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F 0 "R28" V 5143 1400 50 0000 C CNN
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F 1 "3k4" V 5234 1400 50 0000 C CNN
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F 2 "" V 5280 1400 50 0001 C CNN
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F 3 "~" H 5350 1400 50 0001 C CNN
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1 5350 1400
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0 1 1 0
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$EndComp
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$Comp
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L Device:R R27
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U 1 1 5FB88C8E
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P 4850 1700
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F 0 "R27" H 4920 1746 50 0000 L CNN
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F 1 "1k02" H 4920 1655 50 0000 L CNN
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F 2 "" V 4780 1700 50 0001 C CNN
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F 3 "~" H 4850 1700 50 0001 C CNN
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1 4850 1700
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1 0 0 -1
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$EndComp
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$Comp
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L power:GND #PWR059
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U 1 1 5FB8ADE7
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P 4850 1950
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F 0 "#PWR059" H 4850 1700 50 0001 C CNN
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F 1 "GND" H 4855 1777 50 0000 C CNN
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F 2 "" H 4850 1950 50 0001 C CNN
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F 3 "" H 4850 1950 50 0001 C CNN
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1 4850 1950
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4850 1950 4850 1850
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Wire Wire Line
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4550 1400 4850 1400
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Wire Wire Line
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4850 1400 4850 1550
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Connection ~ 4850 1400
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Wire Wire Line
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4850 1400 5200 1400
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Wire Wire Line
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4900 1200 5650 1200
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$Comp
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L Device:L L1
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U 1 1 5FB8DD90
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P 6000 1200
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F 0 "L1" V 6190 1200 50 0000 C CNN
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F 1 "15u" V 6099 1200 50 0000 C CNN
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F 2 "" H 6000 1200 50 0001 C CNN
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F 3 "~" H 6000 1200 50 0001 C CNN
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1 6000 1200
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0 -1 -1 0
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$EndComp
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Wire Wire Line
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5500 1400 6200 1400
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Wire Wire Line
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6200 1400 6200 1200
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Wire Wire Line
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6200 1200 6150 1200
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Connection ~ 6200 1200
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Wire Wire Line
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6200 1200 6300 1200
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$Comp
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L Device:L L2
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U 1 1 5FB9098F
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P 6750 1200
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F 0 "L2" V 6940 1200 50 0000 C CNN
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F 1 "10u" V 6849 1200 50 0000 C CNN
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F 2 "" H 6750 1200 50 0001 C CNN
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F 3 "~" H 6750 1200 50 0001 C CNN
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1 6750 1200
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0 -1 -1 0
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$EndComp
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Wire Wire Line
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6900 1200 6950 1200
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Wire Wire Line
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6950 1200 6950 1250
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Connection ~ 6950 1200
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Wire Wire Line
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6950 1200 7700 1200
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$Comp
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L Device:R R29
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U 1 1 5FB91CED
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P 6950 1400
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F 0 "R29" H 7020 1446 50 0000 L CNN
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F 1 "100" H 7020 1355 50 0000 L CNN
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F 2 "" V 6880 1400 50 0001 C CNN
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F 3 "~" H 6950 1400 50 0001 C CNN
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1 6950 1400
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1 0 0 -1
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$EndComp
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$Comp
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L Device:C C34
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U 1 1 5FB92D32
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P 6950 1750
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F 0 "C34" H 7065 1796 50 0000 L CNN
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F 1 "100n" H 7065 1705 50 0000 L CNN
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F 2 "" H 6988 1600 50 0001 C CNN
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F 3 "~" H 6950 1750 50 0001 C CNN
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1 6950 1750
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1 0 0 -1
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$EndComp
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Wire Wire Line
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7350 1600 7350 1550
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Wire Wire Line
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7350 1550 6950 1550
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Wire Wire Line
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6950 1600 6950 1550
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Connection ~ 6950 1550
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Wire Wire Line
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6950 1900 6950 1950
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Wire Wire Line
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7350 1900 7350 1950
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$Comp
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||||
L power:GND #PWR063
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U 1 1 5FB9593B
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P 6950 1950
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F 0 "#PWR063" H 6950 1700 50 0001 C CNN
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F 1 "GND" H 6955 1777 50 0000 C CNN
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F 2 "" H 6950 1950 50 0001 C CNN
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F 3 "" H 6950 1950 50 0001 C CNN
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1 6950 1950
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1 0 0 -1
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||||
$EndComp
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$Comp
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L power:GND #PWR064
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U 1 1 5FB95E8D
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P 7350 1950
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F 0 "#PWR064" H 7350 1700 50 0001 C CNN
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F 1 "GND" H 7355 1777 50 0000 C CNN
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F 2 "" H 7350 1950 50 0001 C CNN
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F 3 "" H 7350 1950 50 0001 C CNN
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1 7350 1950
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1 0 0 -1
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$EndComp
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$Comp
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L Device:CP C36
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U 1 1 5FB999BB
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P 7700 1750
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F 0 "C36" H 7818 1796 50 0000 L CNN
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F 1 "47u" H 7818 1705 50 0000 L CNN
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F 2 "" H 7738 1600 50 0001 C CNN
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F 3 "~" H 7700 1750 50 0001 C CNN
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1 7700 1750
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1 0 0 -1
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$EndComp
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Wire Wire Line
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7700 1600 7700 1200
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Connection ~ 7700 1200
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Wire Wire Line
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7700 1200 8050 1200
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Wire Wire Line
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7700 1900 7700 1950
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$Comp
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L power:GND #PWR065
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U 1 1 5FB9AA67
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P 7700 1950
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F 0 "#PWR065" H 7700 1700 50 0001 C CNN
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F 1 "GND" H 7705 1777 50 0000 C CNN
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F 2 "" H 7700 1950 50 0001 C CNN
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F 3 "" H 7700 1950 50 0001 C CNN
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1 7700 1950
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1 0 0 -1
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$EndComp
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$Comp
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L Device:C C32
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U 1 1 5FB9BA9E
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P 6300 1750
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F 0 "C32" H 6415 1796 50 0000 L CNN
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F 1 "10u" H 6415 1705 50 0000 L CNN
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F 2 "" H 6338 1600 50 0001 C CNN
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F 3 "~" H 6300 1750 50 0001 C CNN
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1 6300 1750
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1 0 0 -1
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$EndComp
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$Comp
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||||
L Device:C C33
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U 1 1 5FB9C41D
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P 6600 1750
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F 0 "C33" H 6715 1796 50 0000 L CNN
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F 1 "10u" H 6715 1705 50 0000 L CNN
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F 2 "" H 6638 1600 50 0001 C CNN
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F 3 "~" H 6600 1750 50 0001 C CNN
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1 6600 1750
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1 0 0 -1
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$EndComp
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||||
Wire Wire Line
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6600 1600 6600 1200
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Connection ~ 6600 1200
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Wire Wire Line
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6300 1600 6300 1200
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Connection ~ 6300 1200
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Wire Wire Line
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6300 1200 6600 1200
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$Comp
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L power:GND #PWR061
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U 1 1 5FB9DF0B
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P 6300 1950
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F 0 "#PWR061" H 6300 1700 50 0001 C CNN
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F 1 "GND" H 6305 1777 50 0000 C CNN
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F 2 "" H 6300 1950 50 0001 C CNN
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F 3 "" H 6300 1950 50 0001 C CNN
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1 6300 1950
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1 0 0 -1
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$EndComp
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||||
Wire Wire Line
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6300 1950 6300 1900
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$Comp
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L power:GND #PWR062
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U 1 1 5FB9ECB4
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P 6600 1950
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F 0 "#PWR062" H 6600 1700 50 0001 C CNN
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F 1 "GND" H 6605 1777 50 0000 C CNN
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F 2 "" H 6600 1950 50 0001 C CNN
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F 3 "" H 6600 1950 50 0001 C CNN
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1 6600 1950
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1 0 0 -1
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$EndComp
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Wire Wire Line
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6600 1950 6600 1900
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$Comp
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L Device:D_Schottky D4
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U 1 1 5FBDAFCE
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P 5650 1650
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F 0 "D4" V 5604 1730 50 0000 L CNN
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F 1 "MSS1P5" V 5695 1730 50 0000 L CNN
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F 2 "" H 5650 1650 50 0001 C CNN
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F 3 "~" H 5650 1650 50 0001 C CNN
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1 5650 1650
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0 1 1 0
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$EndComp
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$Comp
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L power:GND #PWR060
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U 1 1 5FBDB89C
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P 5650 1950
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F 0 "#PWR060" H 5650 1700 50 0001 C CNN
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F 1 "GND" H 5655 1777 50 0000 C CNN
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F 2 "" H 5650 1950 50 0001 C CNN
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F 3 "" H 5650 1950 50 0001 C CNN
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1 5650 1950
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1 0 0 -1
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$EndComp
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Wire Wire Line
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5650 1800 5650 1950
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Wire Wire Line
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5650 1500 5650 1200
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Connection ~ 5650 1200
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Wire Wire Line
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5650 1200 5850 1200
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$Comp
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L Device:CP C35
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U 1 1 5FBBC09B
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P 7350 1750
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||||
F 0 "C35" H 7468 1796 50 0000 L CNN
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F 1 "47u" H 7468 1705 50 0000 L CNN
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F 2 "" H 7388 1600 50 0001 C CNN
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F 3 "~" H 7350 1750 50 0001 C CNN
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1 7350 1750
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1 0 0 -1
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$EndComp
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||||
$EndSCHEMATC
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1022
frontend.sch
1022
frontend.sch
File diff suppressed because it is too large
Load Diff
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ENDDRAW
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ENDDEF
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#
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# Device_D_Schottky
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#
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DEF Device_D_Schottky D 0 40 N N 1 F N
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F0 "D" 0 100 50 H V C CNN
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F1 "Device_D_Schottky" 0 -100 50 H V C CNN
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F2 "" 0 0 50 H I C CNN
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F3 "" 0 0 50 H I C CNN
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$FPLIST
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TO-???*
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*_Diode_*
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*SingleDiode*
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D_*
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$ENDFPLIST
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DRAW
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P 2 0 1 0 50 0 -50 0 N
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P 4 0 1 10 50 50 50 -50 -50 0 50 50 N
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P 6 0 1 10 -75 25 -75 50 -50 50 -50 -50 -25 -50 -25 -25 N
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X K 1 -150 0 100 R 50 50 1 1 P
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X A 2 150 0 100 L 50 50 1 1 P
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ENDDRAW
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ENDDEF
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#
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# Device_Ferrite_Bead_Small
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#
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DEF Device_Ferrite_Bead_Small FB 0 0 N Y 1 F N
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@ -329,6 +351,29 @@ X ~ 2 0 -150 50 U 50 50 1 1 P
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ENDDRAW
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ENDDEF
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#
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# Device_L
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#
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DEF Device_L L 0 40 N N 1 F N
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F0 "L" -50 0 50 V V C CNN
|
||||
F1 "Device_L" 75 0 50 V V C CNN
|
||||
F2 "" 0 0 50 H I C CNN
|
||||
F3 "" 0 0 50 H I C CNN
|
||||
$FPLIST
|
||||
Choke_*
|
||||
*Coil*
|
||||
Inductor_*
|
||||
L_*
|
||||
$ENDFPLIST
|
||||
DRAW
|
||||
A 0 -75 25 -899 899 0 1 0 N 0 -100 0 -50
|
||||
A 0 -25 25 -899 899 0 1 0 N 0 -50 0 0
|
||||
A 0 25 25 -899 899 0 1 0 N 0 0 0 50
|
||||
A 0 75 25 -899 899 0 1 0 N 0 50 0 100
|
||||
X 1 1 0 150 50 D 50 50 1 1 P
|
||||
X 2 2 0 -150 50 U 50 50 1 1 P
|
||||
ENDDRAW
|
||||
ENDDEF
|
||||
#
|
||||
# Device_LED
|
||||
#
|
||||
DEF Device_LED D 0 40 N N 1 F N
|
||||
@ -392,6 +437,43 @@ X ~ 2 0 -150 50 U 50 50 1 1 P
|
||||
ENDDRAW
|
||||
ENDDEF
|
||||
#
|
||||
# Device_RF_Shield_Two_Pieces
|
||||
#
|
||||
DEF Device_RF_Shield_Two_Pieces J 0 40 Y Y 1 F N
|
||||
F0 "J" 0 200 50 H V C CNN
|
||||
F1 "Device_RF_Shield_Two_Pieces" 0 100 50 H V C CNN
|
||||
F2 "" 0 -100 50 H I C CNN
|
||||
F3 "" 0 -100 50 H I C CNN
|
||||
DRAW
|
||||
P 2 0 1 10 -600 -200 -600 -100 N
|
||||
P 2 0 1 10 -600 -50 -600 50 N
|
||||
P 2 0 1 10 -600 100 -600 200 N
|
||||
P 2 0 1 10 -500 300 -400 300 N
|
||||
P 2 0 1 10 -400 -300 -500 -300 N
|
||||
P 2 0 1 10 -250 -300 -350 -300 N
|
||||
P 2 0 1 10 -250 300 -350 300 N
|
||||
P 2 0 1 10 -100 -300 -200 -300 N
|
||||
P 2 0 1 10 -100 300 -200 300 N
|
||||
P 2 0 1 10 -50 -300 50 -300 N
|
||||
P 2 0 1 10 50 300 -50 300 N
|
||||
P 2 0 1 10 100 -300 200 -300 N
|
||||
P 2 0 1 10 200 300 100 300 N
|
||||
P 2 0 1 10 250 -300 350 -300 N
|
||||
P 2 0 1 10 350 300 250 300 N
|
||||
P 2 0 1 10 400 -300 500 -300 N
|
||||
P 2 0 1 10 500 300 400 300 N
|
||||
P 2 0 1 10 600 -200 600 -100 N
|
||||
P 2 0 1 10 600 -50 600 50 N
|
||||
P 2 0 1 10 600 100 600 200 N
|
||||
P 3 0 1 10 -600 250 -600 300 -550 300 N
|
||||
P 3 0 1 10 -550 -300 -600 -300 -600 -250 N
|
||||
P 3 0 1 10 550 -300 600 -300 600 -250 N
|
||||
P 3 0 1 10 600 250 600 300 550 300 N
|
||||
P 4 0 1 10 -700 200 -700 450 700 450 700 200 N
|
||||
X Shield 1 0 -400 100 U 50 50 1 1 P
|
||||
ENDDRAW
|
||||
ENDDEF
|
||||
#
|
||||
# Device_R_POT
|
||||
#
|
||||
DEF Device_R_POT RV 0 40 Y N 1 F N
|
||||
@ -674,28 +756,6 @@ X VI 3 -300 0 100 R 50 50 1 1 W
|
||||
ENDDRAW
|
||||
ENDDEF
|
||||
#
|
||||
# Regulator_Linear_AZ1117-3.3
|
||||
#
|
||||
DEF Regulator_Linear_AZ1117-3.3 U 0 10 Y Y 1 F N
|
||||
F0 "U" -150 125 50 H V C CNN
|
||||
F1 "Regulator_Linear_AZ1117-3.3" 0 125 50 H V L CNN
|
||||
F2 "" 0 250 50 H I C CIN
|
||||
F3 "" 0 0 50 H I C CNN
|
||||
$FPLIST
|
||||
SOT?223*
|
||||
SOT?89*
|
||||
TO?220*
|
||||
TO?252*
|
||||
TO?263*
|
||||
$ENDFPLIST
|
||||
DRAW
|
||||
S -200 75 200 -200 0 1 10 f
|
||||
X GND 1 0 -300 100 U 50 50 1 1 W
|
||||
X VO 2 300 0 100 L 50 50 1 1 w
|
||||
X VI 3 -300 0 100 R 50 50 1 1 W
|
||||
ENDDRAW
|
||||
ENDDEF
|
||||
#
|
||||
# Regulator_Linear_AZ1117-5.0
|
||||
#
|
||||
DEF Regulator_Linear_AZ1117-5.0 U 0 10 Y Y 1 F N
|
||||
@ -719,6 +779,28 @@ X VI 3 -300 0 100 R 50 50 1 1 W
|
||||
ENDDRAW
|
||||
ENDDEF
|
||||
#
|
||||
# Regulator_Switching_LMR14206
|
||||
#
|
||||
DEF Regulator_Switching_LMR14206 U 0 40 Y Y 1 F N
|
||||
F0 "U" -400 450 50 H V L CNN
|
||||
F1 "Regulator_Switching_LMR14206" -400 350 50 H V L CNN
|
||||
F2 "Package_TO_SOT_SMD:SOT-23-6" 0 -500 50 H I C CIN
|
||||
F3 "" -400 450 50 H I C CNN
|
||||
ALIAS LMR16006YQ3 LMR16006YQ5 LMR14206
|
||||
$FPLIST
|
||||
SOT?23*
|
||||
$ENDFPLIST
|
||||
DRAW
|
||||
S -400 300 400 -300 0 1 10 f
|
||||
X CB 1 500 200 100 L 50 50 1 1 I
|
||||
X GND 2 0 -400 100 U 50 50 1 1 W
|
||||
X FB 3 500 -200 100 L 50 50 1 1 I
|
||||
X ~SHDN 4 -500 0 100 R 50 50 1 1 I
|
||||
X VIN 5 -500 200 100 R 50 50 1 1 W
|
||||
X SW 6 500 0 100 L 50 50 1 1 O
|
||||
ENDDRAW
|
||||
ENDDEF
|
||||
#
|
||||
# Transistor_FET_BSS123
|
||||
#
|
||||
DEF Transistor_FET_BSS123 Q 0 20 Y N 1 F N
|
||||
|
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user