Files
muziekdoos/CAD/Leo_muziekdoos_ESP32/CPU.sch
2021-09-23 14:10:02 +02:00

646 lines
16 KiB
Plaintext

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 4 6
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text HLabel 5700 3550 2 50 Output ~ 0
DAC_LRCK
Text HLabel 5700 3650 2 50 Output ~ 0
DAC_DATA
Text HLabel 5700 4950 2 50 Input ~ 0
ADC1_IN2
Text Label 5700 2750 2 50 ~ 0
ESP_TX1
Text Label 5700 2950 2 50 ~ 0
ESP_RX1
Text HLabel 5700 3250 2 50 Input ~ 0
BTN_PWR
Text HLabel 5700 3350 2 50 Output ~ 0
MEAS_EN
Text HLabel 5700 3050 2 50 Output ~ 0
PW_HOLD
Text HLabel 5700 3950 2 50 Input ~ 0
NFC_MISO
Text HLabel 5700 4350 2 50 Output ~ 0
NFC_SPI_CS
Text HLabel 5700 4250 2 50 Output ~ 0
NFC_SPI_MOSI
Text HLabel 5700 4550 2 50 Output ~ 0
~DAC_SDMODE
$Comp
L Sensor_Magnetic:DRV5055A3xDBZxQ1 U8
U 1 1 610E83A7
P 9950 1700
F 0 "U8" H 10050 2050 50 0000 R CNN
F 1 "DRV5055A3xDBZxQ1" H 10700 1350 50 0000 R CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 9950 1700 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/drv5055-q1.pdf" H 9950 1700 50 0001 C CNN
F 4 "DRV5055" H 9950 1700 50 0001 C CNN "MPN"
F 5 "TI" H 9950 1700 50 0001 C CNN "Manufacturer"
F 6 "3008999" H 9950 1700 50 0001 C CNN "ordercode"
F 7 "farnell" H 9950 1700 50 0001 C CNN "supplier"
1 9950 1700
1 0 0 -1
$EndComp
$Comp
L power:+3V3 #PWR0137
U 1 1 610E9492
P 9850 1150
F 0 "#PWR0137" H 9850 1000 50 0001 C CNN
F 1 "+3V3" H 9865 1323 50 0000 C CNN
F 2 "" H 9850 1150 50 0001 C CNN
F 3 "" H 9850 1150 50 0001 C CNN
1 9850 1150
1 0 0 -1
$EndComp
Wire Wire Line
9850 1150 9850 1300
$Comp
L power:GND #PWR0138
U 1 1 610ECB75
P 9850 2250
F 0 "#PWR0138" H 9850 2000 50 0001 C CNN
F 1 "GND" H 9855 2077 50 0000 C CNN
F 2 "" H 9850 2250 50 0001 C CNN
F 3 "" H 9850 2250 50 0001 C CNN
1 9850 2250
1 0 0 -1
$EndComp
Wire Wire Line
9850 2250 9850 2100
Text Label 10650 1700 2 50 ~ 0
HALL_OUT
Wire Wire Line
10650 1700 10250 1700
Text Label 3100 2650 0 50 ~ 0
HALL_OUT
Text HLabel 5700 4050 2 50 Output ~ 0
DAC_BCLK
Wire Wire Line
5700 4250 5200 4250
Wire Wire Line
5700 4950 5200 4950
Wire Wire Line
3100 2650 3600 2650
Wire Wire Line
5700 3950 5200 3950
Wire Wire Line
5700 4550 5200 4550
Wire Wire Line
5700 2950 5200 2950
Wire Wire Line
5700 4350 5200 4350
Wire Wire Line
5700 2750 5200 2750
Wire Wire Line
2900 3850 3600 3850
$Comp
L Device:L L4
U 1 1 613328EB
P 6700 2450
F 0 "L4" V 6890 2450 50 0000 C CNN
F 1 "1.8nH" V 6799 2450 50 0000 C CNN
F 2 "Inductor_SMD:L_0402_1005Metric" H 6700 2450 50 0001 C CNN
F 3 "~" H 6700 2450 50 0001 C CNN
F 4 "1865820" H 6700 2450 50 0001 C CNN "ordercode"
F 5 "farnell" H 6700 2450 50 0001 C CNN "supplier"
1 6700 2450
0 -1 -1 0
$EndComp
Wire Wire Line
6550 2450 6500 2450
$Comp
L Device:C C27
U 1 1 61334869
P 6500 2700
F 0 "C27" H 6615 2746 50 0000 L CNN
F 1 "1.5pF" H 6615 2655 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 6538 2550 50 0001 C CNN
F 3 "~" H 6500 2700 50 0001 C CNN
F 4 "2812055" H 6500 2700 50 0001 C CNN "ordercode"
F 5 "farnell" H 6500 2700 50 0001 C CNN "supplier"
1 6500 2700
1 0 0 -1
$EndComp
Wire Wire Line
6500 2550 6500 2450
Connection ~ 6500 2450
Wire Wire Line
6500 2450 5200 2450
$Comp
L power:GND #PWR0125
U 1 1 61337DCC
P 6500 2950
F 0 "#PWR0125" H 6500 2700 50 0001 C CNN
F 1 "GND" H 6505 2777 50 0000 C CNN
F 2 "" H 6500 2950 50 0001 C CNN
F 3 "" H 6500 2950 50 0001 C CNN
1 6500 2950
1 0 0 -1
$EndComp
Wire Wire Line
6500 2950 6500 2850
$Comp
L power:+3V3 #PWR0127
U 1 1 6133C7DC
P 2850 1350
F 0 "#PWR0127" H 2850 1200 50 0001 C CNN
F 1 "+3V3" H 2865 1523 50 0000 C CNN
F 2 "" H 2850 1350 50 0001 C CNN
F 3 "" H 2850 1350 50 0001 C CNN
1 2850 1350
1 0 0 -1
$EndComp
Wire Wire Line
2850 1350 2850 1600
Wire Wire Line
4300 1600 4300 2250
$Comp
L Device:C C21
U 1 1 61348E84
P 2850 1800
F 0 "C21" H 2965 1846 50 0000 L CNN
F 1 "100nF" H 2965 1755 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2888 1650 50 0001 C CNN
F 3 "~" H 2850 1800 50 0001 C CNN
F 4 "2524678" H 2850 1800 50 0001 C CNN "ordercode"
F 5 "farnell" H 2850 1800 50 0001 C CNN "supplier"
1 2850 1800
1 0 0 -1
$EndComp
Wire Wire Line
2850 1650 2850 1600
Connection ~ 2850 1600
$Comp
L power:GND #PWR0128
U 1 1 6134A474
P 2850 2050
F 0 "#PWR0128" H 2850 1800 50 0001 C CNN
F 1 "GND" V 2855 1922 50 0000 R CNN
F 2 "" H 2850 2050 50 0001 C CNN
F 3 "" H 2850 2050 50 0001 C CNN
1 2850 2050
1 0 0 -1
$EndComp
Wire Wire Line
2850 2050 2850 1950
Wire Wire Line
4200 2250 4200 1450
Wire Wire Line
4200 1450 4400 1450
Wire Wire Line
4400 1450 4400 2250
Wire Wire Line
4500 2250 4500 1450
Wire Wire Line
4500 1450 4400 1450
Connection ~ 4400 1450
$Comp
L power:+3V3 #PWR0130
U 1 1 6134F73A
P 4400 1400
F 0 "#PWR0130" H 4400 1250 50 0001 C CNN
F 1 "+3V3" H 4415 1573 50 0000 C CNN
F 2 "" H 4400 1400 50 0001 C CNN
F 3 "" H 4400 1400 50 0001 C CNN
1 4400 1400
1 0 0 -1
$EndComp
Wire Wire Line
4400 1400 4400 1450
Wire Wire Line
4850 1450 4500 1450
Connection ~ 4500 1450
$Comp
L power:GND #PWR0131
U 1 1 61354B1A
P 4400 5550
F 0 "#PWR0131" H 4400 5300 50 0001 C CNN
F 1 "GND" V 4405 5422 50 0000 R CNN
F 2 "" H 4400 5550 50 0001 C CNN
F 3 "" H 4400 5550 50 0001 C CNN
1 4400 5550
1 0 0 -1
$EndComp
Wire Wire Line
4400 5550 4400 5450
$Comp
L Memory_Flash:W25Q32JVSS U6
U 1 1 613BD510
P 2350 6950
F 0 "U6" H 2550 7350 50 0000 C CNN
F 1 "W25Q256" H 2650 6600 50 0000 C CNN
F 2 "Package_SO:SOIC-8_5.23x5.23mm_P1.27mm" H 2350 6950 50 0001 C CNN
F 3 "http://www.winbond.com/resource-files/w25q32jv%20revg%2003272018%20plus.pdf" H 2350 6950 50 0001 C CNN
1 2350 6950
1 0 0 -1
$EndComp
Text Label 2900 3850 0 50 ~ 0
SPIFLASH_CS
$Comp
L RF_Module:ESP32-PICO-D4_update U4
U 1 1 613C5900
P 4400 3850
AR Path="/613C5900" Ref="U4" Part="1"
AR Path="/60FFCEAC/613C5900" Ref="U4" Part="1"
F 0 "U4" H 5100 5450 50 0000 C CNN
F 1 "RF_Module_ESP32-PICO-D4" H 5000 2250 50 0000 C CNN
F 2 "Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.3x5.3mm" H 4400 2150 50 0001 C CNN
F 3 "" H 4650 2850 50 0001 C CNN
F 4 "Espressive" H 4400 3850 50 0001 C CNN "Manufacturer"
1 4400 3850
1 0 0 -1
$EndComp
Text HLabel 5700 3850 2 50 Output ~ 0
NFC_SPI_SCK
Text Label 2900 4250 0 50 ~ 0
ESP_CLK
Text Label 2900 4350 0 50 ~ 0
ESP_CMD
Wire Wire Line
2900 4350 3600 4350
Text Label 1450 7050 0 50 ~ 0
ESP_CLK
Wire Wire Line
3350 6750 2850 6750
Wire Wire Line
2850 6850 3350 6850
Wire Wire Line
3350 7050 2850 7050
Wire Wire Line
3350 7150 2850 7150
Wire Wire Line
1450 7050 1850 7050
Text Label 5700 5150 2 50 ~ 0
VDD_SDIO
Wire Wire Line
5700 5150 5200 5150
Text Label 950 6500 0 50 ~ 0
VDD_SDIO
$Comp
L Device:C C18
U 1 1 613DA566
P 950 6950
F 0 "C18" H 1065 6996 50 0000 L CNN
F 1 "100nF" H 1065 6905 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 988 6800 50 0001 C CNN
F 3 "~" H 950 6950 50 0001 C CNN
F 4 "2524678" H 950 6950 50 0001 C CNN "ordercode"
F 5 "farnell" H 950 6950 50 0001 C CNN "supplier"
1 950 6950
1 0 0 -1
$EndComp
Wire Wire Line
950 6500 950 6800
Wire Wire Line
2350 6500 2350 6550
Wire Wire Line
950 7450 950 7100
$Comp
L power:GND #PWR0132
U 1 1 613E205C
P 950 7450
F 0 "#PWR0132" H 950 7200 50 0001 C CNN
F 1 "GND" H 955 7277 50 0000 C CNN
F 2 "" H 950 7450 50 0001 C CNN
F 3 "" H 950 7450 50 0001 C CNN
1 950 7450
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0133
U 1 1 613E24E7
P 2350 7450
F 0 "#PWR0133" H 2350 7200 50 0001 C CNN
F 1 "GND" H 2355 7277 50 0000 C CNN
F 2 "" H 2350 7450 50 0001 C CNN
F 3 "" H 2350 7450 50 0001 C CNN
1 2350 7450
1 0 0 -1
$EndComp
Wire Wire Line
2350 7450 2350 7350
Wire Wire Line
4850 1500 4850 1450
$Comp
L Device:C C26
U 1 1 613518FB
P 4850 1650
F 0 "C26" H 4965 1696 50 0000 L CNN
F 1 "100nF" H 4965 1605 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 4888 1500 50 0001 C CNN
F 3 "~" H 4850 1650 50 0001 C CNN
F 4 "2524678" H 4850 1650 50 0001 C CNN "ordercode"
F 5 "farnell" H 4850 1650 50 0001 C CNN "supplier"
1 4850 1650
1 0 0 -1
$EndComp
Wire Wire Line
4850 1850 4850 1800
$Comp
L power:GND #PWR0136
U 1 1 613532A8
P 4850 1850
F 0 "#PWR0136" H 4850 1600 50 0001 C CNN
F 1 "GND" V 4855 1722 50 0000 R CNN
F 2 "" H 4850 1850 50 0001 C CNN
F 3 "" H 4850 1850 50 0001 C CNN
1 4850 1850
1 0 0 -1
$EndComp
Text Label 5700 4250 2 50 ~ 0
SDIO_MOSI
Text Label 5700 3950 2 50 ~ 0
SDIO_MISO
Wire Wire Line
5700 3850 5200 3850
Text Label 5700 3850 2 50 ~ 0
SDIO_CLK
Wire Wire Line
5200 3050 5700 3050
Wire Wire Line
3600 4250 2900 4250
Text Label 3350 6850 2 50 ~ 0
ESP_GPIO17
Text Label 2900 4050 0 50 ~ 0
ESP_SD0
Text Label 2900 4150 0 50 ~ 0
ESP_SD1
Text Label 1300 6850 0 50 ~ 0
SPIFLASH_CS
Wire Wire Line
1300 6850 1850 6850
Text Label 3350 7150 2 50 ~ 0
ESP_CMD
Text Label 3350 7050 2 50 ~ 0
ESP_SD0
Wire Wire Line
2900 3950 3600 3950
Wire Wire Line
3600 4050 2900 4050
Wire Wire Line
2900 4150 3600 4150
Text Label 3350 6750 2 50 ~ 0
ESP_SD1
Text Label 2900 3950 0 50 ~ 0
ESP_GPIO17
Text Label 1900 2450 0 50 ~ 0
ESP_RST
$Comp
L Device:R R14
U 1 1 613F1E03
P 2300 2200
F 0 "R14" H 2370 2246 50 0000 L CNN
F 1 "10K" H 2370 2155 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 2230 2200 50 0001 C CNN
F 3 "~" H 2300 2200 50 0001 C CNN
F 4 "R10K_0402" H 2300 2200 50 0001 C CNN "StockRef"
F 5 "2447096" H 2300 2200 50 0001 C CNN "ordercode"
F 6 "farnell" H 2300 2200 50 0001 C CNN "supplier"
1 2300 2200
1 0 0 -1
$EndComp
Wire Wire Line
2300 2350 2300 2450
Connection ~ 2300 2450
Wire Wire Line
2300 2450 3600 2450
$Comp
L power:+3V3 #PWR0141
U 1 1 613F5704
P 2300 1950
F 0 "#PWR0141" H 2300 1800 50 0001 C CNN
F 1 "+3V3" H 2315 2123 50 0000 C CNN
F 2 "" H 2300 1950 50 0001 C CNN
F 3 "" H 2300 1950 50 0001 C CNN
1 2300 1950
1 0 0 -1
$EndComp
Wire Wire Line
2300 1950 2300 2050
$Comp
L Device:C C19
U 1 1 613F9222
P 2300 2700
F 0 "C19" H 2415 2746 50 0000 L CNN
F 1 "100nF" H 2415 2655 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2338 2550 50 0001 C CNN
F 3 "~" H 2300 2700 50 0001 C CNN
F 4 "2524678" H 2300 2700 50 0001 C CNN "ordercode"
F 5 "farnell" H 2300 2700 50 0001 C CNN "supplier"
1 2300 2700
1 0 0 -1
$EndComp
Wire Wire Line
2300 2550 2300 2450
$Comp
L power:GND #PWR0142
U 1 1 613FCEE1
P 2300 2900
F 0 "#PWR0142" H 2300 2650 50 0001 C CNN
F 1 "GND" V 2305 2772 50 0000 R CNN
F 2 "" H 2300 2900 50 0001 C CNN
F 3 "" H 2300 2900 50 0001 C CNN
1 2300 2900
1 0 0 -1
$EndComp
Wire Wire Line
2300 2900 2300 2850
$Comp
L Device:R R21
U 1 1 613CA13C
P 7300 900
F 0 "R21" V 7400 950 50 0000 L CNN
F 1 "10K" V 7400 750 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 7230 900 50 0001 C CNN
F 3 "~" H 7300 900 50 0001 C CNN
F 4 "R10K_0402" H 7300 900 50 0001 C CNN "StockRef"
F 5 "2447096" H 7300 900 50 0001 C CNN "ordercode"
F 6 "farnell" H 7300 900 50 0001 C CNN "supplier"
1 7300 900
0 -1 -1 0
$EndComp
$Comp
L Device:R R22
U 1 1 613CA3A9
P 7300 1100
F 0 "R22" V 7400 1150 50 0000 L CNN
F 1 "10K" V 7400 950 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 7230 1100 50 0001 C CNN
F 3 "~" H 7300 1100 50 0001 C CNN
F 4 "R10K_0402" H 7300 1100 50 0001 C CNN "StockRef"
F 5 "2447096" H 7300 1100 50 0001 C CNN "ordercode"
F 6 "farnell" H 7300 1100 50 0001 C CNN "supplier"
1 7300 1100
0 -1 -1 0
$EndComp
$Comp
L Device:R R23
U 1 1 613CB052
P 7300 1300
F 0 "R23" V 7400 1350 50 0000 L CNN
F 1 "10K" V 7400 1150 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 7230 1300 50 0001 C CNN
F 3 "~" H 7300 1300 50 0001 C CNN
F 4 "R10K_0402" H 7300 1300 50 0001 C CNN "StockRef"
F 5 "2447096" H 7300 1300 50 0001 C CNN "ordercode"
F 6 "farnell" H 7300 1300 50 0001 C CNN "supplier"
1 7300 1300
0 -1 -1 0
$EndComp
$Comp
L power:+3V3 #PWR01
U 1 1 613CB3DC
P 6850 800
F 0 "#PWR01" H 6850 650 50 0001 C CNN
F 1 "+3V3" H 6865 973 50 0000 C CNN
F 2 "" H 6850 800 50 0001 C CNN
F 3 "" H 6850 800 50 0001 C CNN
1 6850 800
1 0 0 -1
$EndComp
Wire Wire Line
7150 1100 6850 1100
Wire Wire Line
7150 900 6850 900
Connection ~ 6850 900
Wire Wire Line
6850 900 6850 1100
$Comp
L power:GND #PWR02
U 1 1 613DE4F2
P 6850 1350
F 0 "#PWR02" H 6850 1100 50 0001 C CNN
F 1 "GND" H 6855 1177 50 0000 C CNN
F 2 "" H 6850 1350 50 0001 C CNN
F 3 "" H 6850 1350 50 0001 C CNN
1 6850 1350
1 0 0 -1
$EndComp
Wire Wire Line
6850 1350 6850 1300
Wire Wire Line
6850 1300 7150 1300
Text Label 8050 1300 2 50 ~ 0
ESP_GPIO15
Text Label 8050 1100 2 50 ~ 0
ESP_GPIO0
Text Label 8050 900 2 50 ~ 0
ESP_GPIO2
Wire Wire Line
7450 1300 8050 1300
Wire Wire Line
8050 1100 7450 1100
Wire Wire Line
8050 900 7450 900
Wire Wire Line
6850 800 6850 900
Wire Wire Line
5700 3650 5200 3650
Text Label 5700 2850 2 50 ~ 0
ESP_GPIO2
Wire Wire Line
5200 2850 5700 2850
Wire Wire Line
5700 3550 5200 3550
Wire Wire Line
5700 4050 5200 4050
Text Label 5700 2650 2 50 ~ 0
ESP_GPIO0
Wire Wire Line
5200 2650 5700 2650
Text HLabel 5700 2750 2 50 Output ~ 0
ESP_TX
Text HLabel 5700 2950 2 50 Output ~ 0
ESP_RX
Text HLabel 5700 2650 2 50 Input ~ 0
ESP_GPIO0
Text HLabel 1800 2450 0 50 Input ~ 0
ESP_RST
Wire Wire Line
1800 2450 2300 2450
Wire Wire Line
950 6500 2350 6500
Text Label 5700 2450 2 50 ~ 0
ESP_LNA_IN
Text Label 7000 2450 0 50 ~ 0
WIFI_ANT
Text Notes 6250 3600 0 50 ~ 0
OK
Text Notes 6250 3700 0 50 ~ 0
OK
Text Notes 6250 4100 0 50 ~ 0
OK
Text Notes 2100 6400 0 50 ~ 0
Optional flash
$Comp
L Device:Antenna_Chip ANT1
U 1 1 6133A7B9
P 7700 2550
F 0 "ANT1" H 7700 2797 60 0000 C CNN
F 1 "2450AT18A100E" H 7700 2691 60 0000 C CNN
F 2 "MySymbols:wifi antenna" H 7900 2750 60 0001 L CNN
F 3 "https://www.johansontechnology.com/datasheets/2450AT18A100/2450AT18A100.pdf" H 7900 2850 60 0001 L CNN
F 4 "712-1005-1-ND" H 7900 2950 60 0001 L CNN "Digi-Key_PN"
F 5 "2450AT18A100E" H 7900 3050 60 0001 L CNN "MPN"
F 6 "RF/IF and RFID" H 7900 3150 60 0001 L CNN "Category"
F 7 "RF Antennas" H 7900 3250 60 0001 L CNN "Family"
F 8 "https://www.johansontechnology.com/datasheets/2450AT18A100/2450AT18A100.pdf" H 7900 3350 60 0001 L CNN "DK_Datasheet_Link"
F 9 "/product-detail/en/johanson-technology-inc/2450AT18A100E/712-1005-1-ND/1560834" H 7900 3450 60 0001 L CNN "DK_Detail_Page"
F 10 "RF ANT 2.4GHZ CHIP SOLDER SMD" H 7900 3550 60 0001 L CNN "Description"
F 11 "Johanson Technology Inc." H 7900 3650 60 0001 L CNN "Manufacturer"
F 12 "Active" H 7900 3750 60 0001 L CNN "Status"
F 13 "https://www.ebay.nl/itm/164779252093" H 7700 2550 50 0001 C CNN "ordercode"
F 14 "ebay" H 7700 2550 50 0001 C CNN "supplier"
1 7700 2550
1 0 0 1
$EndComp
Text Label 7950 2450 0 50 ~ 0
A2
$Comp
L Connector_Generic:Conn_01x01 J9
U 1 1 614111A0
P 8250 2450
F 0 "J9" H 8330 2492 50 0000 L CNN
F 1 "Conn_01x01" H 8330 2401 50 0000 L CNN
F 2 "MySymbols:AntennaTrace" H 8250 2450 50 0001 C CNN
F 3 "~" H 8250 2450 50 0001 C CNN
1 8250 2450
1 0 0 -1
$EndComp
Wire Wire Line
7800 2450 8050 2450
Wire Wire Line
6850 2450 7600 2450
Text Label 5700 3750 2 50 ~ 0
ESP_GPIO15
Wire Wire Line
5700 3750 5200 3750
NoConn ~ 5200 3150
NoConn ~ 5200 3450
NoConn ~ 5200 4150
NoConn ~ 5200 4750
NoConn ~ 5200 4850
NoConn ~ 3600 2750
NoConn ~ 3600 2850
NoConn ~ 3600 2950
Wire Wire Line
5700 3350 5200 3350
NoConn ~ 5200 4650
Wire Wire Line
5700 3250 5200 3250
NoConn ~ 5200 4450
Wire Wire Line
2850 1600 4300 1600
$EndSCHEMATC