EESchema Schematic File Version 4
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Interface_USB:FT232BM U?
U 1 1 5C61EA4E
P 3250 3850
F 0 "U?" H 3950 5100 50  0000 C CNN
F 1 "FT232BM" H 2650 2600 50  0000 C CNN
F 2 "Package_QFP:LQFP-32_7x7mm_P0.8mm" H 4000 2500 50  0001 C CNN
F 3 "http://www.ftdichip.com/Products/ICs/FT232BM.htm" H 3250 3850 50  0001 C CNN
	1    3250 3850
	-1   0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x04_Male J?
U 1 1 5C61EE91
P 7950 1550
F 0 "J?" H 8056 1828 50  0000 C CNN
F 1 "Conn_01x04_Male" H 7550 1600 50  0000 C CNN
F 2 "" H 7950 1550 50  0001 C CNN
F 3 "~" H 7950 1550 50  0001 C CNN
	1    7950 1550
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x04_Male J?
U 1 1 5C61EF1A
P 10400 1550
F 0 "J?" H 10373 1523 50  0000 R CNN
F 1 "Conn_01x04_Male" H 10373 1432 50  0000 R CNN
F 2 "" H 10400 1550 50  0001 C CNN
F 3 "~" H 10400 1550 50  0001 C CNN
	1    10400 1550
	-1   0    0    -1  
$EndComp
$Comp
L MCU_Microchip_ATmega:ATmega328P-AU U?
U 1 1 5C61F184
P 7150 3850
F 0 "U?" H 7600 5300 50  0000 C CNN
F 1 "ATmega328P-AU" H 6700 2350 50  0000 C CNN
F 2 "Package_QFP:TQFP-32_7x7mm_P0.8mm" H 7150 3850 50  0001 C CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega328_P%20AVR%20MCU%20with%20picoPower%20Technology%20Data%20Sheet%2040001984A.pdf" H 7150 3850 50  0001 C CNN
	1    7150 3850
	-1   0    0    -1  
$EndComp
$Comp
L Memory_EEPROM:93LCxxB U?
U 1 1 5C61F57E
P 1250 5100
F 0 "U?" H 900 5450 50  0000 C CNN
F 1 "93LCxxB" H 1000 5350 50  0000 C CNN
F 2 "" H 1250 5100 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20001749K.pdf" H 1250 5100 50  0001 C CNN
	1    1250 5100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2350 4450 800  4450
Wire Wire Line
	800  4450 800  5000
Wire Wire Line
	800  5000 850  5000
Wire Wire Line
	1650 5000 1700 5000
Wire Wire Line
	1700 5000 1700 4550
Wire Wire Line
	1700 4550 2350 4550
Wire Wire Line
	1800 4650 1800 5100
Wire Wire Line
	1800 5100 1650 5100
$Comp
L Device:R R?
U 1 1 5C61F72D
P 1950 5000
F 0 "R?" H 1880 4954 50  0000 R CNN
F 1 "R" H 1880 5045 50  0000 R CNN
F 2 "" V 1880 5000 50  0001 C CNN
F 3 "~" H 1950 5000 50  0001 C CNN
	1    1950 5000
	-1   0    0    1   
$EndComp
$Comp
L Device:R R?
U 1 1 5C61F83E
P 1950 5400
F 0 "R?" H 1880 5354 50  0000 R CNN
F 1 "R" H 1880 5445 50  0000 R CNN
F 2 "" V 1880 5400 50  0001 C CNN
F 3 "~" H 1950 5400 50  0001 C CNN
	1    1950 5400
	-1   0    0    1   
$EndComp
Wire Wire Line
	1650 5200 1950 5200
Wire Wire Line
	1950 5200 1950 5150
Wire Wire Line
	1950 4850 1950 4650
Wire Wire Line
	1800 4650 1950 4650
Connection ~ 1950 4650
Wire Wire Line
	1950 4650 2350 4650
$Comp
L power:+5VA #PWR?
U 1 1 5C61FCBD
P 1950 5600
F 0 "#PWR?" H 1950 5450 50  0001 C CNN
F 1 "+5VA" H 1965 5773 50  0000 C CNN
F 2 "" H 1950 5600 50  0001 C CNN
F 3 "" H 1950 5600 50  0001 C CNN
	1    1950 5600
	-1   0    0    1   
$EndComp
$Comp
L power:+5VA #PWR?
U 1 1 5C61FD07
P 3300 2450
F 0 "#PWR?" H 3300 2300 50  0001 C CNN
F 1 "+5VA" H 3315 2623 50  0000 C CNN
F 2 "" H 3300 2450 50  0001 C CNN
F 3 "" H 3300 2450 50  0001 C CNN
	1    3300 2450
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5C61FD88
P 3300 5250
F 0 "#PWR?" H 3300 5000 50  0001 C CNN
F 1 "GNDA" H 3305 5077 50  0000 C CNN
F 2 "" H 3300 5250 50  0001 C CNN
F 3 "" H 3300 5250 50  0001 C CNN
	1    3300 5250
	1    0    0    -1  
$EndComp
Wire Wire Line
	3250 5150 3250 5200
Wire Wire Line
	3250 5200 3300 5200
Wire Wire Line
	3350 5200 3350 5150
Wire Wire Line
	3300 5200 3300 5250
Connection ~ 3300 5200
Wire Wire Line
	3300 5200 3350 5200
Wire Wire Line
	3300 2450 3300 2500
Wire Wire Line
	3300 2500 3250 2500
Wire Wire Line
	3250 2500 3250 2550
Wire Wire Line
	3300 2500 3350 2500
Wire Wire Line
	3350 2500 3350 2550
Connection ~ 3300 2500
Wire Wire Line
	3350 2500 3550 2500
Wire Wire Line
	3550 2500 3550 2550
Connection ~ 3350 2500
$Comp
L Device:R R?
U 1 1 5C6205B1
P 2850 2350
F 0 "R?" V 2643 2350 50  0000 C CNN
F 1 "R" V 2734 2350 50  0000 C CNN
F 2 "" V 2780 2350 50  0001 C CNN
F 3 "~" H 2850 2350 50  0001 C CNN
	1    2850 2350
	0    1    1    0   
$EndComp
$Comp
L Device:C C?
U 1 1 5C6206B3
P 3050 2050
F 0 "C?" H 3165 2096 50  0000 L CNN
F 1 "C" H 3165 2005 50  0000 L CNN
F 2 "" H 3088 1900 50  0001 C CNN
F 3 "~" H 3050 2050 50  0001 C CNN
	1    3050 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3000 2350 3050 2350
Wire Wire Line
	3050 2350 3050 2200
Wire Wire Line
	3050 2350 3050 2550
Connection ~ 3050 2350
Wire Wire Line
	3050 1900 2800 1900
Wire Wire Line
	2800 1900 2800 1950
$Comp
L power:GNDA #PWR?
U 1 1 5C620F5D
P 2800 1950
F 0 "#PWR?" H 2800 1700 50  0001 C CNN
F 1 "GNDA" H 2650 1900 50  0000 C CNN
F 2 "" H 2800 1950 50  0001 C CNN
F 3 "" H 2800 1950 50  0001 C CNN
	1    2800 1950
	1    0    0    -1  
$EndComp
$Comp
L power:+5VA #PWR?
U 1 1 5C620FA4
P 2700 2350
F 0 "#PWR?" H 2700 2200 50  0001 C CNN
F 1 "+5VA" V 2715 2477 50  0000 L CNN
F 2 "" H 2700 2350 50  0001 C CNN
F 3 "" H 2700 2350 50  0001 C CNN
	1    2700 2350
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3050 5150 3050 5200
Wire Wire Line
	3050 5200 3250 5200
Connection ~ 3250 5200
Wire Wire Line
	1950 5200 1950 5250
Connection ~ 1950 5200
Wire Wire Line
	1950 5550 1950 5600
$Comp
L Device:L_Core_Ferrite L?
U 1 1 5C6222E4
P 1250 2600
F 0 "L?" V 1072 2600 50  0000 C CNN
F 1 "L_Core_Ferrite" H 1650 2550 50  0000 C CNN
F 2 "" H 1250 2600 50  0001 C CNN
F 3 "~" H 1250 2600 50  0001 C CNN
	1    1250 2600
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 5C622402
P 1450 2400
F 0 "C?" V 1198 2400 50  0000 C CNN
F 1 "C" V 1289 2400 50  0000 C CNN
F 2 "" H 1488 2250 50  0001 C CNN
F 3 "~" H 1450 2400 50  0001 C CNN
	1    1450 2400
	0    1    1    0   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5C622498
P 1650 2400
F 0 "#PWR?" H 1650 2150 50  0001 C CNN
F 1 "GNDA" H 1655 2227 50  0000 C CNN
F 2 "" H 1650 2400 50  0001 C CNN
F 3 "" H 1650 2400 50  0001 C CNN
	1    1650 2400
	1    0    0    -1  
$EndComp
Wire Wire Line
	1250 2450 1250 2400
Wire Wire Line
	1250 2400 1300 2400
Wire Wire Line
	1600 2400 1650 2400
$Comp
L power:+5VA #PWR?
U 1 1 5C623439
P 1250 2200
F 0 "#PWR?" H 1250 2050 50  0001 C CNN
F 1 "+5VA" H 1265 2373 50  0000 C CNN
F 2 "" H 1250 2200 50  0001 C CNN
F 3 "" H 1250 2200 50  0001 C CNN
	1    1250 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	1250 2400 1250 2200
Connection ~ 1250 2400
$Comp
L power:+5VA #PWR?
U 1 1 5C623AF8
P 1250 4750
F 0 "#PWR?" H 1250 4600 50  0001 C CNN
F 1 "+5VA" H 1265 4923 50  0000 C CNN
F 2 "" H 1250 4750 50  0001 C CNN
F 3 "" H 1250 4750 50  0001 C CNN
	1    1250 4750
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5C623B3F
P 1250 5450
F 0 "#PWR?" H 1250 5200 50  0001 C CNN
F 1 "GNDA" H 1255 5277 50  0000 C CNN
F 2 "" H 1250 5450 50  0001 C CNN
F 3 "" H 1250 5450 50  0001 C CNN
	1    1250 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	1250 4750 1250 4800
Wire Wire Line
	1250 5400 1250 5450
Wire Wire Line
	2350 4850 2300 4850
Wire Wire Line
	2300 4850 2300 5100
$Comp
L power:GNDA #PWR?
U 1 1 5C6250A2
P 2300 5100
F 0 "#PWR?" H 2300 4850 50  0001 C CNN
F 1 "GNDA" H 2305 4927 50  0000 C CNN
F 2 "" H 2300 5100 50  0001 C CNN
F 3 "" H 2300 5100 50  0001 C CNN
	1    2300 5100
	1    0    0    -1  
$EndComp
$Comp
L Connector:USB_B J?
U 1 1 5C625203
P 850 3100
F 0 "J?" H 905 3567 50  0000 C CNN
F 1 "USB_B" H 905 3476 50  0000 C CNN
F 2 "" H 1000 3050 50  0001 C CNN
F 3 " ~" H 1000 3050 50  0001 C CNN
	1    850  3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	1250 2750 1250 2900
Wire Wire Line
	1250 2900 1150 2900
Wire Wire Line
	1150 3100 1800 3100
Wire Wire Line
	2200 3100 2200 3250
Wire Wire Line
	2200 3250 2350 3250
Wire Wire Line
	2350 3050 2100 3050
Wire Wire Line
	2100 3050 2100 3200
Wire Wire Line
	2100 3200 1150 3200
$Comp
L power:GNDA #PWR?
U 1 1 5C62C2E0
P 800 3600
F 0 "#PWR?" H 800 3350 50  0001 C CNN
F 1 "GNDA" H 805 3427 50  0000 C CNN
F 2 "" H 800 3600 50  0001 C CNN
F 3 "" H 800 3600 50  0001 C CNN
	1    800  3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	750  3500 750  3550
Wire Wire Line
	750  3550 800  3550
Wire Wire Line
	850  3550 850  3500
Wire Wire Line
	800  3550 800  3600
Connection ~ 800  3550
Wire Wire Line
	800  3550 850  3550
$Comp
L Device:Crystal Y?
U 1 1 5C62DDEC
P 2050 4100
F 0 "Y?" V 2004 4231 50  0000 L CNN
F 1 "6MHz" V 2095 4231 50  0000 L CNN
F 2 "" H 2050 4100 50  0001 C CNN
F 3 "~" H 2050 4100 50  0001 C CNN
	1    2050 4100
	0    1    1    0   
$EndComp
$Comp
L Device:Crystal Y?
U 1 1 5C62E497
P 6000 3250
F 0 "Y?" H 6000 3518 50  0000 C CNN
F 1 "18.432MHz" H 6000 3427 50  0000 C CNN
F 2 "" H 6000 3250 50  0001 C CNN
F 3 "~" H 6000 3250 50  0001 C CNN
	1    6000 3250
	1    0    0    -1  
$EndComp
$Comp
L Transistor_FET:FDS4559 Q?
U 2 1 5C62EA5B
P 9200 1550
F 0 "Q?" V 9528 1550 50  0000 C CNN
F 1 "FDS4559" V 9437 1550 50  0000 C CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 9400 1475 50  0001 L CNN
F 3 "https://www.fairchildsemi.com/datasheets/FD/FDS4559.pdf" H 9200 1550 50  0001 L CNN
	2    9200 1550
	0    1    -1   0   
$EndComp
Wire Wire Line
	8150 1450 8900 1450
Wire Wire Line
	9400 1450 10200 1450
$Comp
L power:GNDD #PWR?
U 1 1 5C631383
P 10200 1850
F 0 "#PWR?" H 10200 1600 50  0001 C CNN
F 1 "GNDD" H 10204 1695 50  0000 C CNN
F 2 "" H 10200 1850 50  0001 C CNN
F 3 "" H 10200 1850 50  0001 C CNN
	1    10200 1850
	1    0    0    -1  
$EndComp
$Comp
L power:+5VD #PWR?
U 1 1 5C6313D2
P 7150 2250
F 0 "#PWR?" H 7150 2100 50  0001 C CNN
F 1 "+5VD" H 7300 2350 50  0000 C CNN
F 2 "" H 7150 2250 50  0001 C CNN
F 3 "" H 7150 2250 50  0001 C CNN
	1    7150 2250
	1    0    0    -1  
$EndComp
$Comp
L power:GNDD #PWR?
U 1 1 5C6314E0
P 7150 5400
F 0 "#PWR?" H 7150 5150 50  0001 C CNN
F 1 "GNDD" H 7154 5245 50  0000 C CNN
F 2 "" H 7150 5400 50  0001 C CNN
F 3 "" H 7150 5400 50  0001 C CNN
	1    7150 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	7150 2250 7150 2350
Wire Wire Line
	7150 5350 7150 5400
$Comp
L Device:R R?
U 1 1 5C63356A
P 6700 2250
F 0 "R?" V 6600 2200 50  0000 C CNN
F 1 "R" V 6500 2150 50  0000 C CNN
F 2 "" V 6630 2250 50  0001 C CNN
F 3 "~" H 6700 2250 50  0001 C CNN
	1    6700 2250
	0    1    1    0   
$EndComp
$Comp
L Device:C C?
U 1 1 5C6335F0
P 6950 2000
F 0 "C?" H 7065 2046 50  0000 L CNN
F 1 "C" H 7065 1955 50  0000 L CNN
F 2 "" H 6988 1850 50  0001 C CNN
F 3 "~" H 6950 2000 50  0001 C CNN
	1    6950 2000
	1    0    0    -1  
$EndComp
$Comp
L power:GNDD #PWR?
U 1 1 5C6336B4
P 6800 1750
F 0 "#PWR?" H 6800 1500 50  0001 C CNN
F 1 "GNDD" H 6650 1750 50  0000 C CNN
F 2 "" H 6800 1750 50  0001 C CNN
F 3 "" H 6800 1750 50  0001 C CNN
	1    6800 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	6800 1750 6950 1750
Wire Wire Line
	6950 1750 6950 1850
Wire Wire Line
	6950 2150 6950 2250
$Comp
L power:+5VD #PWR?
U 1 1 5C6357CC
P 6500 2250
F 0 "#PWR?" H 6500 2100 50  0001 C CNN
F 1 "+5VD" V 6515 2378 50  0000 L CNN
F 2 "" H 6500 2250 50  0001 C CNN
F 3 "" H 6500 2250 50  0001 C CNN
	1    6500 2250
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6950 2250 7050 2250
Wire Wire Line
	7050 2250 7050 2350
Wire Wire Line
	8150 1750 8300 1750
Wire Wire Line
	10200 1750 10200 1850
$Comp
L Device:C C?
U 1 1 5C63A718
P 8550 1700
F 0 "C?" H 8665 1746 50  0000 L CNN
F 1 "C" H 8665 1655 50  0000 L CNN
F 2 "" H 8588 1550 50  0001 C CNN
F 3 "~" H 8550 1700 50  0001 C CNN
	1    8550 1700
	1    0    0    -1  
$EndComp
$Comp
L power:+5VD #PWR?
U 1 1 5C63BB2F
P 8300 1250
F 0 "#PWR?" H 8300 1100 50  0001 C CNN
F 1 "+5VD" V 8300 1450 50  0000 C CNN
F 2 "" H 8300 1250 50  0001 C CNN
F 3 "" H 8300 1250 50  0001 C CNN
	1    8300 1250
	1    0    0    -1  
$EndComp
Wire Wire Line
	8150 1650 8300 1650
Wire Wire Line
	8300 1650 8300 1250
Wire Wire Line
	8150 1550 8550 1550
Text Label 8400 1450 0    50   ~ 0
SW_in
Text Label 8400 1550 0    50   ~ 0
Pot_in
Text Label 9550 1450 0    50   ~ 0
SW_out
Wire Wire Line
	10200 1550 9550 1550
Text Label 9600 1550 0    50   ~ 0
Pot_out
$Comp
L power:+5VD #PWR?
U 1 1 5C64D56B
P 10100 1250
F 0 "#PWR?" H 10100 1100 50  0001 C CNN
F 1 "+5VD" V 10100 1450 50  0000 C CNN
F 2 "" H 10100 1250 50  0001 C CNN
F 3 "" H 10100 1250 50  0001 C CNN
	1    10100 1250
	1    0    0    -1  
$EndComp
Wire Wire Line
	10100 1250 10100 1650
Wire Wire Line
	10100 1650 10200 1650
Wire Wire Line
	6850 2250 6950 2250
Connection ~ 6950 2250
Wire Wire Line
	6500 2250 6550 2250
$Comp
L Device:R R?
U 1 1 5C6563D3
P 8900 1650
F 0 "R?" V 8800 1600 50  0000 C CNN
F 1 "R" V 8700 1550 50  0000 C CNN
F 2 "" V 8830 1650 50  0001 C CNN
F 3 "~" H 8900 1650 50  0001 C CNN
	1    8900 1650
	-1   0    0    1   
$EndComp
Wire Wire Line
	8900 1450 8900 1500
Connection ~ 8900 1450
Wire Wire Line
	8900 1450 9000 1450
Wire Wire Line
	8900 1800 8900 1900
Wire Wire Line
	8900 1900 9200 1900
Wire Wire Line
	9200 1900 9200 1750
Text Label 8950 1900 0    50   ~ 0
#SW_on
$Comp
L Device:R R?
U 1 1 5C659772
P 7950 2650
F 0 "R?" V 7850 2600 50  0000 C CNN
F 1 "R" V 7750 2550 50  0000 C CNN
F 2 "" V 7880 2650 50  0001 C CNN
F 3 "~" H 7950 2650 50  0001 C CNN
	1    7950 2650
	0    1    1    0   
$EndComp
$Comp
L Device:C C?
U 1 1 5C659808
P 8200 2800
F 0 "C?" H 8315 2846 50  0000 L CNN
F 1 "C" H 8315 2755 50  0000 L CNN
F 2 "" H 8238 2650 50  0001 C CNN
F 3 "~" H 8200 2800 50  0001 C CNN
	1    8200 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	7750 2650 7800 2650
Wire Wire Line
	8100 2650 8200 2650
Wire Wire Line
	8200 2650 8450 2650
Connection ~ 8200 2650
$Comp
L power:GNDD #PWR?
U 1 1 5C65EB8A
P 8200 2950
F 0 "#PWR?" H 8200 2700 50  0001 C CNN
F 1 "GNDD" H 8204 2795 50  0000 C CNN
F 2 "" H 8200 2950 50  0001 C CNN
F 3 "" H 8200 2950 50  0001 C CNN
	1    8200 2950
	1    0    0    -1  
$EndComp
$Comp
L power:+5VD #PWR?
U 1 1 5C6608D5
P 8450 2650
F 0 "#PWR?" H 8450 2500 50  0001 C CNN
F 1 "+5VD" V 8450 2850 50  0000 C CNN
F 2 "" H 8450 2650 50  0001 C CNN
F 3 "" H 8450 2650 50  0001 C CNN
	1    8450 2650
	0    1    1    0   
$EndComp
$Comp
L power:GNDD #PWR?
U 1 1 5C674038
P 8300 1850
F 0 "#PWR?" H 8300 1600 50  0001 C CNN
F 1 "GNDD" H 8304 1695 50  0000 C CNN
F 2 "" H 8300 1850 50  0001 C CNN
F 3 "" H 8300 1850 50  0001 C CNN
	1    8300 1850
	1    0    0    -1  
$EndComp
Wire Wire Line
	8300 1750 8300 1850
Wire Wire Line
	8300 1850 8550 1850
Connection ~ 8300 1850
$Comp
L Device:LED D?
U 1 1 5C683697
P 4900 4550
F 0 "D?" V 4845 4628 50  0000 L CNN
F 1 "LED" V 4936 4628 50  0000 L CNN
F 2 "" H 4900 4550 50  0001 C CNN
F 3 "~" H 4900 4550 50  0001 C CNN
	1    4900 4550
	1    0    0    -1  
$EndComp
$Comp
L Device:LED D?
U 1 1 5C6838FA
P 4900 4250
F 0 "D?" H 4891 4466 50  0000 C CNN
F 1 "LED" H 4891 4375 50  0000 C CNN
F 2 "" H 4900 4250 50  0001 C CNN
F 3 "~" H 4900 4250 50  0001 C CNN
	1    4900 4250
	1    0    0    -1  
$EndComp
$Comp
L power:+5VA #PWR?
U 1 1 5C6839AC
P 5150 4400
F 0 "#PWR?" H 5150 4250 50  0001 C CNN
F 1 "+5VA" V 5150 4600 50  0000 C CNN
F 2 "" H 5150 4400 50  0001 C CNN
F 3 "" H 5150 4400 50  0001 C CNN
	1    5150 4400
	0    1    1    0   
$EndComp
Wire Wire Line
	5050 4550 5150 4550
Wire Wire Line
	5150 4550 5150 4400
Wire Wire Line
	5150 4250 5050 4250
Connection ~ 5150 4400
Wire Wire Line
	5150 4400 5150 4250
Wire Wire Line
	4650 4250 4750 4250
Wire Wire Line
	4650 4550 4750 4550
$Comp
L Device:R R?
U 1 1 5C692B19
P 4500 4250
F 0 "R?" V 4293 4250 50  0000 C CNN
F 1 "R" V 4384 4250 50  0000 C CNN
F 2 "" V 4430 4250 50  0001 C CNN
F 3 "~" H 4500 4250 50  0001 C CNN
	1    4500 4250
	0    1    1    0   
$EndComp
$Comp
L Device:R R?
U 1 1 5C692BB5
P 4500 4550
F 0 "R?" V 4293 4550 50  0000 C CNN
F 1 "R" V 4384 4550 50  0000 C CNN
F 2 "" V 4430 4550 50  0001 C CNN
F 3 "~" H 4500 4550 50  0001 C CNN
	1    4500 4550
	0    1    1    0   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5C6AADE8
P 4200 5250
F 0 "#PWR?" H 4200 5000 50  0001 C CNN
F 1 "GNDA" H 4205 5077 50  0000 C CNN
F 2 "" H 4200 5250 50  0001 C CNN
F 3 "" H 4200 5250 50  0001 C CNN
	1    4200 5250
	1    0    0    -1  
$EndComp
Wire Wire Line
	4150 4150 4200 4150
Wire Wire Line
	4200 4150 4200 5250
Wire Wire Line
	4150 4250 4350 4250
Wire Wire Line
	4150 4550 4350 4550
$Comp
L Device:R R?
U 1 1 5C6B17F5
P 2050 3550
F 0 "R?" V 2150 3650 50  0000 C CNN
F 1 "R" V 1950 3400 50  0000 C CNN
F 2 "" V 1980 3550 50  0001 C CNN
F 3 "~" H 2050 3550 50  0001 C CNN
	1    2050 3550
	0    1    1    0   
$EndComp
Wire Wire Line
	2200 3550 2350 3550
Wire Wire Line
	1900 3550 1800 3550
Wire Wire Line
	1800 3550 1800 3100
Connection ~ 1800 3100
Wire Wire Line
	1800 3100 2200 3100
$Comp
L Device:C C?
U 1 1 5C6B6044
P 2150 2850
F 0 "C?" V 1898 2850 50  0000 C CNN
F 1 "C" V 1989 2850 50  0000 C CNN
F 2 "" H 2188 2700 50  0001 C CNN
F 3 "~" H 2150 2850 50  0001 C CNN
	1    2150 2850
	0    1    1    0   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5C6B60FC
P 1950 2900
F 0 "#PWR?" H 1950 2650 50  0001 C CNN
F 1 "GNDA" H 1800 2850 50  0000 C CNN
F 2 "" H 1950 2900 50  0001 C CNN
F 3 "" H 1950 2900 50  0001 C CNN
	1    1950 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 2900 1950 2850
Wire Wire Line
	1950 2850 2000 2850
Wire Wire Line
	2300 2850 2350 2850
$Comp
L Device:R R?
U 1 1 5C6BB22A
P 2050 3750
F 0 "R?" V 2150 3850 50  0000 C CNN
F 1 "R" V 2000 3600 50  0000 C CNN
F 2 "" V 1980 3750 50  0001 C CNN
F 3 "~" H 2050 3750 50  0001 C CNN
	1    2050 3750
	0    1    1    0   
$EndComp
$Comp
L power:+5VA #PWR?
U 1 1 5C6BB314
P 1700 3750
F 0 "#PWR?" H 1700 3600 50  0001 C CNN
F 1 "+5VA" V 1715 3877 50  0000 L CNN
F 2 "" H 1700 3750 50  0001 C CNN
F 3 "" H 1700 3750 50  0001 C CNN
	1    1700 3750
	0    -1   -1   0   
$EndComp
Wire Wire Line
	1700 3750 1900 3750
Wire Wire Line
	2200 3750 2350 3750
Wire Wire Line
	2050 4250 2350 4250
$Comp
L Device:C C?
U 1 1 5C6C9266
P 1700 3950
F 0 "C?" V 1650 4050 50  0000 C CNN
F 1 "C" V 1650 3850 50  0000 C CNN
F 2 "" H 1738 3800 50  0001 C CNN
F 3 "~" H 1700 3950 50  0001 C CNN
	1    1700 3950
	0    1    1    0   
$EndComp
$Comp
L Device:C C?
U 1 1 5C6C92E6
P 1700 4250
F 0 "C?" V 1600 4350 50  0000 C CNN
F 1 "C" V 1600 4150 50  0000 C CNN
F 2 "" H 1738 4100 50  0001 C CNN
F 3 "~" H 1700 4250 50  0001 C CNN
	1    1700 4250
	0    1    1    0   
$EndComp
Wire Wire Line
	2050 3950 2350 3950
Wire Wire Line
	1850 3950 2050 3950
Connection ~ 2050 3950
Wire Wire Line
	1850 4250 2050 4250
Connection ~ 2050 4250
$Comp
L power:GNDA #PWR?
U 1 1 5C6DB5AE
P 1400 4300
F 0 "#PWR?" H 1400 4050 50  0001 C CNN
F 1 "GNDA" H 1405 4127 50  0000 C CNN
F 2 "" H 1400 4300 50  0001 C CNN
F 3 "" H 1400 4300 50  0001 C CNN
	1    1400 4300
	1    0    0    -1  
$EndComp
Wire Wire Line
	1400 4300 1400 4250
Wire Wire Line
	1400 3950 1550 3950
Wire Wire Line
	1400 4250 1550 4250
Connection ~ 1400 4250
Wire Wire Line
	1400 4250 1400 3950
$EndSCHEMATC