mirror of
https://github.com/tebl/RC6502-Apple-1-Replica.git
synced 2024-12-21 21:29:19 +00:00
252 lines
5.7 KiB
Plaintext
252 lines
5.7 KiB
Plaintext
EESchema Schematic File Version 2
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LIBS:power
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LIBS:device
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LIBS:switches
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LIBS:relays
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LIBS:motors
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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:RC6502 VDU Amplifier-cache
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EELAYER 25 0
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EELAYER END
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$Descr A4 11693 8268
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encoding utf-8
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Sheet 1 1
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Title ""
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Date ""
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Rev ""
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Comp ""
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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$Comp
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L GND #PWR01
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U 1 1 5C338136
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P 4200 4325
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F 0 "#PWR01" H 4200 4075 50 0001 C CNN
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F 1 "GND" H 4200 4175 50 0000 C CNN
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F 2 "" H 4200 4325 50 0001 C CNN
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F 3 "" H 4200 4325 50 0001 C CNN
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1 4200 4325
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1 0 0 -1
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$EndComp
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$Comp
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L VCC #PWR02
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U 1 1 5C338137
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P 4200 3875
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F 0 "#PWR02" H 4200 3725 50 0001 C CNN
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F 1 "VCC" H 4200 4025 50 0000 C CNN
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F 2 "" H 4200 3875 50 0001 C CNN
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F 3 "" H 4200 3875 50 0001 C CNN
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1 4200 3875
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1 0 0 -1
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$EndComp
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Text Label 4125 4050 0 60 ~ 0
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VID_IN
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$Comp
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L GND #PWR03
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U 1 1 5C33813D
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P 5250 4775
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F 0 "#PWR03" H 5250 4525 50 0001 C CNN
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F 1 "GND" H 5250 4625 50 0000 C CNN
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F 2 "" H 5250 4775 50 0001 C CNN
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F 3 "" H 5250 4775 50 0001 C CNN
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1 5250 4775
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1 0 0 -1
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$EndComp
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$Comp
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L VCC #PWR04
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U 1 1 5C33813F
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P 5250 3250
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F 0 "#PWR04" H 5250 3100 50 0001 C CNN
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F 1 "VCC" H 5250 3400 50 0000 C CNN
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F 2 "" H 5250 3250 50 0001 C CNN
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F 3 "" H 5250 3250 50 0001 C CNN
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1 5250 3250
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1 0 0 -1
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$EndComp
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$Comp
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L Output J2
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U 1 1 5C338146
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P 6975 4250
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F 0 "J2" H 6975 4450 50 0000 C CNN
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F 1 "Output" H 6975 3950 50 0000 C CNN
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F 2 "Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm" H 6975 4250 50 0001 C CNN
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F 3 "" H 6975 4250 50 0001 C CNN
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1 6975 4250
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1 0 0 1
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$EndComp
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Text Label 6725 4050 2 60 ~ 0
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VID_OUT
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$Comp
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L Video J1
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U 1 1 5C338147
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P 3925 4150
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F 0 "J1" H 3925 4350 50 0000 C CNN
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F 1 "Video" H 3925 3850 50 0000 C CNN
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F 2 "Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm" H 3925 4150 50 0001 C CNN
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F 3 "" H 3925 4150 50 0001 C CNN
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1 3925 4150
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-1 0 0 1
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$EndComp
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$Comp
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L 2N3904 Q1
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U 1 1 5C338695
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P 5150 4050
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F 0 "Q1" H 5350 4125 50 0000 L CNN
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F 1 "2N2222" H 5350 4050 50 0000 L CNN
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F 2 "TO_SOT_Packages_THT:TO-92_Inline_Wide" H 5350 3975 50 0001 L CIN
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F 3 "" H 5150 4050 50 0001 L CNN
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1 5150 4050
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1 0 0 -1
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$EndComp
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$Comp
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L R R1
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U 1 1 5C33871C
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P 4650 4050
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F 0 "R1" V 4730 4050 50 0000 C CNN
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F 1 "1k" V 4650 4050 50 0000 C CNN
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F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4580 4050 50 0001 C CNN
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F 3 "" H 4650 4050 50 0001 C CNN
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1 4650 4050
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0 1 1 0
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$EndComp
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$Comp
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L R R5
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U 1 1 5C338A5E
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P 5250 4475
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F 0 "R5" V 5330 4475 50 0000 C CNN
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F 1 "180" V 5250 4475 50 0000 C CNN
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F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5180 4475 50 0001 C CNN
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F 3 "" H 5250 4475 50 0001 C CNN
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1 5250 4475
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-1 0 0 1
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$EndComp
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$Comp
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L R R3
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U 1 1 5C338C7C
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P 5025 3775
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F 0 "R3" V 5105 3775 50 0000 C CNN
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F 1 "6k2" V 5025 3775 50 0000 C CNN
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F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4955 3775 50 0001 C CNN
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F 3 "" H 5025 3775 50 0001 C CNN
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1 5025 3775
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0 -1 -1 0
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$EndComp
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$Comp
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L R R4
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U 1 1 5C338F74
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P 5250 3550
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F 0 "R4" V 5330 3550 50 0000 C CNN
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F 1 "1k" V 5250 3550 50 0000 C CNN
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F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5180 3550 50 0001 C CNN
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F 3 "" H 5250 3550 50 0001 C CNN
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1 5250 3550
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-1 0 0 1
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$EndComp
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$Comp
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L 2N3904 Q2
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U 1 1 5C339166
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P 5850 3775
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F 0 "Q2" H 6050 3850 50 0000 L CNN
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F 1 "2N2222" H 6050 3775 50 0000 L CNN
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F 2 "TO_SOT_Packages_THT:TO-92_Inline_Wide" H 6050 3700 50 0001 L CIN
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F 3 "" H 5850 3775 50 0001 L CNN
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1 5850 3775
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1 0 0 -1
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$EndComp
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$Comp
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L R R6
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U 1 1 5C3392AC
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P 5950 4275
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F 0 "R6" V 6030 4275 50 0000 C CNN
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F 1 "1k" V 5950 4275 50 0000 C CNN
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F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5880 4275 50 0001 C CNN
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F 3 "" H 5950 4275 50 0001 C CNN
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1 5950 4275
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-1 0 0 1
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$EndComp
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Wire Wire Line
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4125 3950 4200 3950
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Wire Wire Line
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4200 3950 4200 3875
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Wire Wire Line
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4200 4250 4125 4250
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Wire Wire Line
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4200 4250 4200 4325
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Wire Wire Line
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6625 4150 6775 4150
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Wire Wire Line
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6625 4700 6625 4150
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Wire Wire Line
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6775 4250 6625 4250
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Connection ~ 6625 4250
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Wire Wire Line
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4500 4050 4125 4050
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Wire Wire Line
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4800 4050 4950 4050
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Wire Wire Line
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5250 4625 5250 4775
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Wire Wire Line
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4875 4050 4875 3775
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Connection ~ 4875 4050
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Wire Wire Line
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5175 3775 5650 3775
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Wire Wire Line
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5250 3700 5250 3850
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Connection ~ 5250 3775
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Wire Wire Line
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5250 3250 5250 3400
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Wire Wire Line
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5950 3975 5950 4125
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Wire Wire Line
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5250 4700 6625 4700
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Wire Wire Line
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5950 4700 5950 4425
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Connection ~ 5250 4700
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Connection ~ 5950 4050
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Wire Wire Line
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5950 3325 5950 3575
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Connection ~ 5250 3325
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Wire Wire Line
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5950 4050 6775 4050
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Connection ~ 5950 4700
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Wire Wire Line
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5250 4250 5250 4325
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Wire Wire Line
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5250 3325 5950 3325
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Text Notes 7025 6850 0 60 ~ 0
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This is the analog video amplification circuit used with the VDU card, this variant is\nbased on the original schematic found in the book "22 Micro-computer projects: To\nbuild, use and learn" by Daniel Metzger. An excellent book if you can find a copy!
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Text Notes 7350 7500 0 60 ~ 0
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Video amplifier for the RC6502 VDU
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NoConn ~ 6775 4350
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NoConn ~ 4125 4150
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$EndSCHEMATC
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