EESchema Schematic File Version 2
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:power
LIBS:eSim_Plot
LIBS:transistors
LIBS:conn
LIBS:eSim_User
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:eSim_Analog
LIBS:eSim_Devices
LIBS:eSim_Digital
LIBS:eSim_Hybrid
LIBS:eSim_Miscellaneous
LIBS:eSim_Power
LIBS:eSim_Sources
LIBS:eSim_Subckt
LIBS:eSim_Nghdl
LIBS:eSim_Ngveri
LIBS:eSim_SKY130
LIBS:eSim_SKY130_Subckts
LIBS:tda7050-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Connection ~ 6000 2750
Wire Wire Line
	5750 2750 6100 2750
Wire Wire Line
	5500 4950 5600 4950
Wire Wire Line
	6700 3500 6700 3450
Wire Wire Line
	5750 2750 5750 4350
Wire Wire Line
	5750 3950 6000 3950
Wire Wire Line
	6000 3950 6000 3900
Wire Wire Line
	5750 4350 6000 4350
Connection ~ 5750 3950
Wire Wire Line
	6000 2950 5300 2950
$Comp
L lm_741 X1
U 1 1 678D14D5
P 6150 3450
F 0 "X1" H 5950 3450 60  0000 C CNN
F 1 "lm_741" H 6050 3200 60  0000 C CNN
F 2 "" H 6150 3450 60  0000 C CNN
F 3 "" H 6150 3450 60  0000 C CNN
	1    6150 3450
	1    0    0    1   
$EndComp
$Comp
L PORT U1
U 8 1 679DC622
P 6350 2750
F 0 "U1" H 6400 2850 30  0000 C CNN
F 1 "PORT" H 6350 2750 30  0000 C CNN
F 2 "" H 6350 2750 60  0000 C CNN
F 3 "" H 6350 2750 60  0000 C CNN
	8    6350 2750
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 5 1 679DC653
P 5500 5500
F 0 "U1" H 5550 5600 30  0000 C CNN
F 1 "PORT" H 5500 5500 30  0000 C CNN
F 2 "" H 5500 5500 60  0000 C CNN
F 3 "" H 5500 5500 60  0000 C CNN
	5    5500 5500
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 4 1 679DC678
P 5300 4700
F 0 "U1" H 5350 4800 30  0000 C CNN
F 1 "PORT" H 5300 4700 30  0000 C CNN
F 2 "" H 5300 4700 60  0000 C CNN
F 3 "" H 5300 4700 60  0000 C CNN
	4    5300 4700
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 6 1 679DC69F
P 7000 4800
F 0 "U1" H 7050 4900 30  0000 C CNN
F 1 "PORT" H 7000 4800 30  0000 C CNN
F 2 "" H 7000 4800 60  0000 C CNN
F 3 "" H 7000 4800 60  0000 C CNN
	6    7000 4800
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 3 1 679DC6C8
P 5250 4950
F 0 "U1" H 5300 5050 30  0000 C CNN
F 1 "PORT" H 5250 4950 30  0000 C CNN
F 2 "" H 5250 4950 60  0000 C CNN
F 3 "" H 5250 4950 60  0000 C CNN
	3    5250 4950
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 7 1 679DC6F3
P 6950 3500
F 0 "U1" H 7000 3600 30  0000 C CNN
F 1 "PORT" H 6950 3500 30  0000 C CNN
F 2 "" H 6950 3500 60  0000 C CNN
F 3 "" H 6950 3500 60  0000 C CNN
	7    6950 3500
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 2 1 679DC720
P 5300 3600
F 0 "U1" H 5350 3700 30  0000 C CNN
F 1 "PORT" H 5300 3600 30  0000 C CNN
F 2 "" H 5300 3600 60  0000 C CNN
F 3 "" H 5300 3600 60  0000 C CNN
	2    5300 3600
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 1 1 679DC74F
P 5150 3350
F 0 "U1" H 5200 3450 30  0000 C CNN
F 1 "PORT" H 5150 3350 30  0000 C CNN
F 2 "" H 5150 3350 60  0000 C CNN
F 3 "" H 5150 3350 60  0000 C CNN
	1    5150 3350
	1    0    0    -1  
$EndComp
Wire Wire Line
	5300 2950 5300 5350
Wire Wire Line
	5300 5350 6000 5350
Connection ~ 6000 5350
Wire Wire Line
	5750 5500 5900 5500
Wire Wire Line
	5900 5500 5900 5400
Wire Wire Line
	5900 5400 6000 5400
Connection ~ 6000 5400
$Comp
L lm_741 X2
U 1 1 678D14EC
P 6150 4800
F 0 "X2" H 5950 4800 60  0000 C CNN
F 1 "lm_741" H 6050 4550 60  0000 C CNN
F 2 "" H 6150 4800 60  0000 C CNN
F 3 "" H 6150 4800 60  0000 C CNN
	1    6150 4800
	1    0    0    1   
$EndComp
Wire Wire Line
	5550 3600 5600 3600
Wire Wire Line
	5550 4700 5600 4700
Wire Wire Line
	6000 5400 6000 5250
Wire Wire Line
	5400 3350 5600 3350
Wire Wire Line
	6750 4800 6700 4800
Wire Wire Line
	6000 3000 6000 2950
$EndSCHEMATC