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
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L 54LS90 X1
U 1 1 6825C471
P 5500 3450
F 0 "X1" H 5400 2900 60  0000 C CNN
F 1 "54LS90" H 5550 4550 60  0000 C CNN
F 2 "" H 5550 4550 60  0001 C CNN
F 3 "" H 5550 4550 60  0001 C CNN
	1    5500 3450
	1    0    0    -1  
$EndComp
$Comp
L pulse v3
U 1 1 6825C505
P 1050 3450
F 0 "v3" H 850 3550 60  0000 C CNN
F 1 "pulse" H 850 3400 60  0000 C CNN
F 2 "R1" H 750 3450 60  0000 C CNN
F 3 "" H 1050 3450 60  0000 C CNN
	1    1050 3450
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR01
U 1 1 6825C540
P 1050 4200
F 0 "#PWR01" H 1050 3950 50  0001 C CNN
F 1 "GND" H 1050 4050 50  0000 C CNN
F 2 "" H 1050 4200 50  0001 C CNN
F 3 "" H 1050 4200 50  0001 C CNN
	1    1050 4200
	1    0    0    -1  
$EndComp
Wire Wire Line
	1050 4200 1050 3900
$Comp
L adc_bridge_1 U2
U 1 1 6825C55C
P 1950 3050
F 0 "U2" H 1950 3050 60  0000 C CNN
F 1 "adc_bridge_1" H 1950 3200 60  0000 C CNN
F 2 "" H 1950 3050 60  0000 C CNN
F 3 "" H 1950 3050 60  0000 C CNN
	1    1950 3050
	1    0    0    -1  
$EndComp
Wire Wire Line
	1350 3000 1050 3000
Wire Wire Line
	2500 3000 2850 3000
Wire Wire Line
	2850 3000 2850 3150
Wire Wire Line
	2850 3150 4900 3150
$Comp
L plot_v1 U5
U 1 1 6825C5C6
P 2850 3200
F 0 "U5" H 2850 3700 60  0000 C CNN
F 1 "plot_v1" H 3050 3550 60  0000 C CNN
F 2 "" H 2850 3200 60  0000 C CNN
F 3 "" H 2850 3200 60  0000 C CNN
	1    2850 3200
	1    0    0    -1  
$EndComp
Text GLabel 2500 2750 0    60   Input ~ 0
clock
Wire Wire Line
	2500 2750 2600 2750
Wire Wire Line
	2600 2750 2600 3000
Connection ~ 2600 3000
$Comp
L DC v1
U 1 1 6825C612
P 900 2350
F 0 "v1" H 700 2450 60  0000 C CNN
F 1 "DC" H 700 2300 60  0000 C CNN
F 2 "R1" H 600 2350 60  0000 C CNN
F 3 "" H 900 2350 60  0000 C CNN
	1    900  2350
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR02
U 1 1 6825C703
P 900 3000
F 0 "#PWR02" H 900 2750 50  0001 C CNN
F 1 "GND" H 900 2850 50  0000 C CNN
F 2 "" H 900 3000 50  0001 C CNN
F 3 "" H 900 3000 50  0001 C CNN
	1    900  3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	900  3000 900  2800
Wire Wire Line
	3300 2950 4900 2950
$Comp
L adc_bridge_1 U1
U 1 1 6825CB17
P 1900 1950
F 0 "U1" H 1900 1950 60  0000 C CNN
F 1 "adc_bridge_1" H 1900 2100 60  0000 C CNN
F 2 "" H 1900 1950 60  0000 C CNN
F 3 "" H 1900 1950 60  0000 C CNN
	1    1900 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	2450 1900 3300 1900
Wire Wire Line
	3300 1900 3300 2950
Wire Wire Line
	1300 1900 900  1900
$Comp
L DC v2
U 1 1 6825CCA7
P 1000 1150
F 0 "v2" H 800 1250 60  0000 C CNN
F 1 "DC" H 800 1100 60  0000 C CNN
F 2 "R1" H 700 1150 60  0000 C CNN
F 3 "" H 1000 1150 60  0000 C CNN
	1    1000 1150
	1    0    0    -1  
$EndComp
$Comp
L adc_bridge_1 U3
U 1 1 6825CCAD
P 2000 750
F 0 "U3" H 2000 750 60  0000 C CNN
F 1 "adc_bridge_1" H 2000 900 60  0000 C CNN
F 2 "" H 2000 750 60  0000 C CNN
F 3 "" H 2000 750 60  0000 C CNN
	1    2000 750 
	1    0    0    -1  
$EndComp
Wire Wire Line
	2550 700  3400 700 
Wire Wire Line
	1400 700  1000 700 
$Comp
L GND #PWR03
U 1 1 6825CCD8
P 1000 1600
F 0 "#PWR03" H 1000 1350 50  0001 C CNN
F 1 "GND" H 1000 1450 50  0000 C CNN
F 2 "" H 1000 1600 50  0001 C CNN
F 3 "" H 1000 1600 50  0001 C CNN
	1    1000 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 700  3400 2550
Wire Wire Line
	3400 2550 4900 2550
$Comp
L DC v4
U 1 1 6825CE12
P 1550 4100
F 0 "v4" H 1350 4200 60  0000 C CNN
F 1 "DC" H 1350 4050 60  0000 C CNN
F 2 "R1" H 1250 4100 60  0000 C CNN
F 3 "" H 1550 4100 60  0000 C CNN
	1    1550 4100
	1    0    0    -1  
$EndComp
$Comp
L adc_bridge_1 U4
U 1 1 6825CE18
P 2550 3700
F 0 "U4" H 2550 3700 60  0000 C CNN
F 1 "adc_bridge_1" H 2550 3850 60  0000 C CNN
F 2 "" H 2550 3700 60  0000 C CNN
F 3 "" H 2550 3700 60  0000 C CNN
	1    2550 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	3100 3650 3950 3650
Wire Wire Line
	1950 3650 1550 3650
$Comp
L GND #PWR04
U 1 1 6825CE20
P 1550 4550
F 0 "#PWR04" H 1550 4300 50  0001 C CNN
F 1 "GND" H 1550 4400 50  0000 C CNN
F 2 "" H 1550 4550 50  0001 C CNN
F 3 "" H 1550 4550 50  0001 C CNN
	1    1550 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 3650 3950 3350
Wire Wire Line
	3950 3350 4900 3350
$Comp
L plot_v1 U6
U 1 1 6825CE66
P 8400 2900
F 0 "U6" H 8400 3400 60  0000 C CNN
F 1 "plot_v1" H 8600 3250 60  0000 C CNN
F 2 "" H 8400 2900 60  0000 C CNN
F 3 "" H 8400 2900 60  0000 C CNN
	1    8400 2900
	1    0    0    -1  
$EndComp
$Comp
L plot_v1 U7
U 1 1 6825CEA5
P 8900 2900
F 0 "U7" H 8900 3400 60  0000 C CNN
F 1 "plot_v1" H 9100 3250 60  0000 C CNN
F 2 "" H 8900 2900 60  0000 C CNN
F 3 "" H 8900 2900 60  0000 C CNN
	1    8900 2900
	1    0    0    -1  
$EndComp
$Comp
L plot_v1 U8
U 1 1 6825CF44
P 9350 2900
F 0 "U8" H 9350 3400 60  0000 C CNN
F 1 "plot_v1" H 9550 3250 60  0000 C CNN
F 2 "" H 9350 2900 60  0000 C CNN
F 3 "" H 9350 2900 60  0000 C CNN
	1    9350 2900
	1    0    0    -1  
$EndComp
$Comp
L plot_v1 U9
U 1 1 6825CF4A
P 9850 2900
F 0 "U9" H 9850 3400 60  0000 C CNN
F 1 "plot_v1" H 10050 3250 60  0000 C CNN
F 2 "" H 9850 2900 60  0000 C CNN
F 3 "" H 9850 2900 60  0000 C CNN
	1    9850 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	7500 2700 8400 2700
Wire Wire Line
	8900 2700 8900 2900
Wire Wire Line
	8900 2900 7750 2900
Wire Wire Line
	9350 2700 9350 3100
Wire Wire Line
	9350 3100 7750 3100
Wire Wire Line
	7500 3300 9850 3300
Wire Wire Line
	9850 3300 9850 2700
Text GLabel 8050 3600 0    60   Input ~ 0
QA
Wire Wire Line
	8050 3600 8050 2700
Connection ~ 8050 2700
Text GLabel 8250 3800 0    60   Input ~ 0
QB
Wire Wire Line
	8250 3800 8250 2900
Connection ~ 8250 2900
Text GLabel 8500 4000 0    60   Input ~ 0
QC
Text GLabel 8700 4200 0    60   Input ~ 0
QD
Wire Wire Line
	8550 4000 8500 4000
Wire Wire Line
	8550 3100 8550 4000
Connection ~ 8550 3100
Wire Wire Line
	8700 4200 8800 4200
Wire Wire Line
	8800 4200 8800 3300
Connection ~ 8800 3300
$Comp
L resistor R4
U 1 1 6825D1F5
P 9950 3350
F 0 "R4" H 10000 3480 50  0000 C CNN
F 1 "10K" H 10000 3300 50  0000 C CNN
F 2 "" H 10000 3330 30  0000 C CNN
F 3 "" V 10000 3400 30  0000 C CNN
	1    9950 3350
	1    0    0    -1  
$EndComp
$Comp
L resistor R3
U 1 1 6825D252
P 9450 3150
F 0 "R3" H 9500 3280 50  0000 C CNN
F 1 "10K" H 9500 3100 50  0000 C CNN
F 2 "" H 9500 3130 30  0000 C CNN
F 3 "" V 9500 3200 30  0000 C CNN
	1    9450 3150
	1    0    0    -1  
$EndComp
$Comp
L resistor R2
U 1 1 6825D2B5
P 9000 2950
F 0 "R2" H 9050 3080 50  0000 C CNN
F 1 "10K" H 9050 2900 50  0000 C CNN
F 2 "" H 9050 2930 30  0000 C CNN
F 3 "" V 9050 3000 30  0000 C CNN
	1    9000 2950
	1    0    0    -1  
$EndComp
$Comp
L resistor R1
U 1 1 6825D326
P 8500 2750
F 0 "R1" H 8550 2880 50  0000 C CNN
F 1 "10K" H 8550 2700 50  0000 C CNN
F 2 "" H 8550 2730 30  0000 C CNN
F 3 "" V 8550 2800 30  0000 C CNN
	1    8500 2750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR05
U 1 1 6825D38D
P 10900 3350
F 0 "#PWR05" H 10900 3100 50  0001 C CNN
F 1 "GND" H 10900 3200 50  0000 C CNN
F 2 "" H 10900 3350 50  0001 C CNN
F 3 "" H 10900 3350 50  0001 C CNN
	1    10900 3350
	1    0    0    -1  
$EndComp
Wire Wire Line
	8700 2700 10900 2700
Wire Wire Line
	10900 2700 10900 3350
Wire Wire Line
	10150 3300 10900 3300
Connection ~ 10900 3300
Wire Wire Line
	9650 3100 10900 3100
Connection ~ 10900 3100
Wire Wire Line
	9200 2900 10900 2900
Connection ~ 10900 2900
$Comp
L dac_bridge_4 U10
U 1 1 6825D8D1
P 6950 3050
F 0 "U10" H 6950 3050 60  0000 C CNN
F 1 "dac_bridge_4" H 6950 3350 60  0000 C CNN
F 2 "" H 6950 3050 60  0000 C CNN
F 3 "" H 6950 3050 60  0000 C CNN
	1    6950 3050
	1    0    0    -1  
$EndComp
Wire Wire Line
	6400 2850 6400 2750
Wire Wire Line
	6400 2750 6000 2750
Wire Wire Line
	6400 2950 6000 2950
Wire Wire Line
	6400 3050 6000 3050
Wire Wire Line
	6000 3050 6000 3150
Wire Wire Line
	6400 3150 6400 3350
Wire Wire Line
	6400 3350 6000 3350
Wire Wire Line
	7500 2850 7500 2700
Wire Wire Line
	7500 2950 7750 2950
Wire Wire Line
	7750 2950 7750 2900
Wire Wire Line
	7500 3050 7750 3050
Wire Wire Line
	7750 3050 7750 3100
Wire Wire Line
	7500 3150 7500 3300
$EndSCHEMATC