EESchema Schematic File Version 4 LIBS:nixie_bottom_board-cache EELAYER 26 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 2 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Sheet S 7650 1700 650 400 U 5B07197A F0 "HV Power Supply" 60 F1 "hv_power_supply.sch" 60 F2 "VIN" I L 7650 1800 60 F3 "EN" I L 7650 1900 60 F4 "GND" I L 7650 2000 60 F5 "VOUT" I R 8300 1800 60 F6 "GND" I R 8300 1900 60 $EndSheet Text Label 8750 5400 0 60 ~ 0 VDD Text Label 8750 4800 0 60 ~ 0 SWDIO Text Label 8750 4700 0 60 ~ 0 SWCLK Text Label 8750 4500 0 60 ~ 0 SWO Text Label 2750 4400 0 60 ~ 0 SWO Text Label 2750 4500 0 60 ~ 0 SWCLK Text Label 2250 4500 2 60 ~ 0 SWDIO Text Label 2750 4600 0 60 ~ 0 NRST Text Label 8750 5000 0 60 ~ 0 USB_N Text Label 8750 4900 0 60 ~ 0 USB_P Text Label 2250 5800 2 60 ~ 0 SCL Text Label 2250 5900 2 60 ~ 0 SDA Text Label 2750 5050 0 60 ~ 0 HV_OUT Text Label 2750 5700 0 60 ~ 0 VNIXIE Text Label 7350 4900 2 60 ~ 0 DAC Text Label 8750 5200 0 60 ~ 0 SCL Text Label 8750 5100 0 60 ~ 0 SDA Text Label 7550 1900 2 60 ~ 0 HV_EN $Comp L Device:R R2 U 1 1 5B08854F P 9000 4000 F 0 "R2" V 9080 4000 50 0000 C CNN F 1 "1M" V 8900 4000 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 8930 4000 50 0001 C CNN F 3 "" H 9000 4000 50 0001 C CNN 1 9000 4000 0 -1 -1 0 $EndComp Text Label 8400 1800 0 60 ~ 0 HV_OUT Text Label 7350 4800 2 60 ~ 0 HV_EN Text Label 1950 1550 0 60 ~ 0 CC1 Text Label 1950 1650 0 60 ~ 0 CC2 Text Label 1950 1850 0 60 ~ 0 USB_N Text Label 1950 2150 0 60 ~ 0 USB_P $Comp L Device:R R1 U 1 1 5B096154 P 2850 3200 F 0 "R1" V 2930 3200 50 0000 C CNN F 1 "900k" V 2750 3200 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 2780 3200 50 0001 C CNN F 3 "" H 2850 3200 50 0001 C CNN 1 2850 3200 0 -1 -1 0 $EndComp Text Label 2700 3200 2 60 ~ 0 VBUS Text Label 4050 3300 0 60 ~ 0 SCL Text Label 4050 3400 0 60 ~ 0 SDA $Comp L Device:R R4 U 1 1 5B0B7874 P 5900 4850 F 0 "R4" V 5980 4850 50 0000 C CNN F 1 "10k" V 5800 4850 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 5830 4850 50 0001 C CNN F 3 "" H 5900 4850 50 0001 C CNN 1 5900 4850 0 -1 -1 0 $EndComp $Comp L Device:R R5 U 1 1 5B0B79AE P 5900 5150 F 0 "R5" V 5980 5150 50 0000 C CNN F 1 "10k" V 5800 5150 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 5830 5150 50 0001 C CNN F 3 "" H 5900 5150 50 0001 C CNN 1 5900 5150 0 -1 -1 0 $EndComp Text Label 6050 4850 0 60 ~ 0 SCL Text Label 6050 5150 0 60 ~ 0 SDA NoConn ~ 3150 3100 Text Notes 3350 3550 0 60 ~ 0 ADDR: 0x60 Text Label 1950 1050 0 60 ~ 0 VBUS Text Notes 2100 6200 0 60 ~ 0 ADDR: 0x70-0x73 Text Label 7350 3900 2 60 ~ 0 VDD Text Label 7350 4300 2 60 ~ 0 VDD Text Label 4050 2900 0 60 ~ 0 VDD Text Label 5750 4850 2 60 ~ 0 VDD Text Label 5750 5150 2 60 ~ 0 VDD Text Label 2250 4400 2 60 ~ 0 VDD Text Label 6100 2600 0 60 ~ 0 VDD $Comp L Device:L_Small L1 U 1 1 5B16755A P 4950 2700 F 0 "L1" H 4980 2740 50 0000 L CNN F 1 "1uH" H 4980 2660 50 0000 L CNN F 2 "Inductors_SMD:L_Taiyo-Yuden_NR-40xx" H 4950 2700 50 0001 C CNN F 3 "" H 4950 2700 50 0001 C CNN 1 4950 2700 -1 0 0 1 $EndComp Text Label 4700 4700 0 60 ~ 0 VDD Text Label 3900 4900 2 60 ~ 0 DAC Text Label 3900 4700 2 60 ~ 0 VNIXIE Text Label 4700 4900 0 60 ~ 0 VNIXIE Wire Wire Line 3150 3000 3050 3000 Wire Wire Line 3050 2900 3150 2900 Wire Wire Line 8400 1800 8300 1800 Wire Wire Line 8750 4000 8850 4000 Wire Wire Line 8400 1900 8300 1900 Wire Wire Line 7650 2000 7550 2000 Wire Wire Line 5200 2600 4950 2600 Wire Wire Line 7550 1900 7650 1900 $Comp L Custom_Parts:TUSB320 U1 U 1 1 5B5B1CD3 P 3600 3150 F 0 "U1" H 3600 3647 60 0000 C CNN F 1 "TUSB320" H 3600 3541 60 0000 C CNN F 2 "Custom Parts:X2QFN-12_1.6x1.6mm_Pitch0.4mm" H 3950 3150 60 0001 C CNN F 3 "" H 3950 3150 60 0001 C CNN 1 3600 3150 1 0 0 -1 $EndComp $Comp L Custom_Parts:STM32L432K U2 U 1 1 5B622DF7 P 8050 4650 F 0 "U2" H 8050 5647 60 0000 C CNN F 1 "STM32L432K" H 8050 5541 60 0000 C CNN F 2 "Housings_DFN_QFN:QFN-32-1EP_5x5mm_Pitch0.5mm" H 8050 5100 60 0001 C CNN F 3 "" H 8050 5100 60 0001 C CNN 1 8050 4650 1 0 0 -1 $EndComp $Comp L Connector:Conn_01x01_Female J5 U 1 1 5B649686 P 9150 5300 F 0 "J5" H 9177 5326 50 0000 L CNN F 1 "MCO" H 9177 5235 50 0000 L CNN F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 9150 5300 50 0001 C CNN F 3 "~" H 9150 5300 50 0001 C CNN 1 9150 5300 1 0 0 -1 $EndComp $Comp L Switch:SW_Push SW1 U 1 1 5B64A44F P 6950 4200 F 0 "SW1" H 6950 4485 50 0000 C CNN F 1 "SW_Push" H 6950 4394 50 0000 C CNN F 2 "Buttons_Switches_SMD:SW_SPST_EVQP7A" H 6950 4400 50 0001 C CNN F 3 "" H 6950 4400 50 0001 C CNN 1 6950 4200 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_02x03_Odd_Even J2 U 1 1 5B693D84 P 2450 4500 F 0 "J2" H 2500 4817 50 0000 C CNN F 1 "Tag Connect" H 2500 4726 50 0000 C CNN F 2 "Tag Connect:TC2030-MCP-NL" H 2450 4500 50 0001 C CNN F 3 "~" H 2450 4500 50 0001 C CNN 1 2450 4500 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_02x03_Odd_Even J3 U 1 1 5B6941D3 P 2450 5150 F 0 "J3" H 2500 5467 50 0000 C CNN F 1 "Nixie_HV" H 2500 5376 50 0000 C CNN F 2 "Custom Parts:Pin_Header_Harwin_2x03_Pitch2.00mm" H 2450 5150 50 0001 C CNN F 3 "~" H 2450 5150 50 0001 C CNN 1 2450 5150 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_02x03_Odd_Even J4 U 1 1 5B694500 P 2450 5800 F 0 "J4" H 2500 6117 50 0000 C CNN F 1 "Nixie_CTRL" H 2500 6026 50 0000 C CNN F 2 "Custom Parts:Pin_Header_Harwin_2x03_Pitch2.00mm" H 2450 5800 50 0001 C CNN F 3 "~" H 2450 5800 50 0001 C CNN 1 2450 5800 1 0 0 -1 $EndComp $Comp L Custom_Parts:ESD122 D2 U 1 1 5B916041 P 3600 1600 F 0 "D2" H 3600 1965 50 0000 C CNN F 1 "ESD122" H 3600 1874 50 0000 C CNN F 2 "Custom Parts:DMX0003A" H 3600 1600 50 0001 C CNN F 3 "" H 3600 1600 50 0001 C CNN 1 3600 1600 1 0 0 -1 $EndComp Text Label 3050 3000 2 60 ~ 0 CC1 Text Label 3050 2900 2 60 ~ 0 CC2 Text Label 3250 1700 2 60 ~ 0 CC2 Text Label 3250 1500 2 60 ~ 0 CC1 Wire Wire Line 7550 1800 7650 1800 $Comp L Custom_Parts:ESD122 D3 U 1 1 5BA1CDBE P 3600 2300 F 0 "D3" H 3600 2665 50 0000 C CNN F 1 "ESD122" H 3600 2574 50 0000 C CNN F 2 "Custom Parts:DMX0003A" H 3600 2300 50 0001 C CNN F 3 "" H 3600 2300 50 0001 C CNN 1 3600 2300 1 0 0 -1 $EndComp Text Label 3250 2400 2 60 ~ 0 USB_N Text Label 3250 2200 2 60 ~ 0 USB_P $Comp L Device:D D1 U 1 1 5B902F50 P 5900 4000 F 0 "D1" H 5900 4216 50 0000 C CNN F 1 "D" H 5900 4125 50 0000 C CNN F 2 "Custom Parts:X1SON" H 5900 4000 50 0001 C CNN F 3 "~" H 5900 4000 50 0001 C CNN 1 5900 4000 1 0 0 -1 $EndComp Text Label 5750 4000 2 60 ~ 0 VBUS $Comp L Device:Battery_Cell BT1 U 1 1 5BA7F4A1 P 4350 4200 F 0 "BT1" H 4468 4296 50 0000 L CNN F 1 "CR1620" H 4468 4205 50 0000 L CNN F 2 "Custom Parts:CR1220_Holder" V 4350 4260 50 0001 C CNN F 3 "~" V 4350 4260 50 0001 C CNN 1 4350 4200 0 -1 -1 0 $EndComp $Comp L Custom_Parts:DS3231 U4 U 1 1 5BAADC28 P 8000 2950 F 0 "U4" H 8000 3525 50 0000 C CNN F 1 "DS3231" H 8000 3434 50 0000 C CNN F 2 "SMD_Packages:SO-16-L" H 8000 2950 50 0001 C CNN F 3 "" H 8000 2950 50 0001 C CNN 1 8000 2950 1 0 0 -1 $EndComp Text Label 8450 2700 0 60 ~ 0 SDA Text Label 8450 2600 0 60 ~ 0 SCL Text Label 7550 2700 2 60 ~ 0 VDD Text Label 6100 3200 0 60 ~ 0 VBUS Text Label 7550 1800 2 60 ~ 0 HV_IN $Comp L Custom_Parts:TPS2595x0 U7 U 1 1 5BA21006 P 5650 2000 F 0 "U7" H 5650 2375 50 0000 C CNN F 1 "TPS2595x0" H 5650 2284 50 0000 C CNN F 2 "Housings_SON:WSON-8_1EP_2x2mm_Pitch0.5mm" H 5650 2000 50 0001 C CNN F 3 "" H 5650 2000 50 0001 C CNN 1 5650 2000 1 0 0 -1 $EndComp NoConn ~ 3150 3300 NoConn ~ 4050 3200 Text Label 6100 2150 0 60 ~ 0 HV_IN $Comp L Device:R R14 U 1 1 5BA6BB6E P 6550 1950 F 0 "R14" V 6630 1950 50 0000 C CNN F 1 "680" V 6450 1950 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 6480 1950 50 0001 C CNN F 3 "" H 6550 1950 50 0001 C CNN 1 6550 1950 0 -1 -1 0 $EndComp Wire Wire Line 6400 1950 6100 1950 Text Label 6100 2050 0 60 ~ 0 FAULT Text Label 7350 4600 2 60 ~ 0 FAULT Text Label 7550 2800 2 60 ~ 0 RTC Text Label 7350 4700 2 60 ~ 0 RTC $Comp L Device:R R13 U 1 1 5BA75FF1 P 4800 2100 F 0 "R13" V 4880 2100 50 0000 C CNN F 1 "2M" V 4700 2100 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 4730 2100 50 0001 C CNN F 3 "" H 4800 2100 50 0001 C CNN 1 4800 2100 -1 0 0 1 $EndComp $Comp L Device:R R12 U 1 1 5BA760F4 P 4800 1800 F 0 "R12" V 4880 1800 50 0000 C CNN F 1 "500k" V 4700 1800 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 4730 1800 50 0001 C CNN F 3 "" H 4800 1800 50 0001 C CNN 1 4800 1800 -1 0 0 1 $EndComp Text Label 7550 2600 2 60 ~ 0 32kHz Text Label 7350 4000 2 60 ~ 0 32kHz Text Label 3150 3400 2 60 ~ 0 USB Wire Wire Line 9150 4000 9200 4000 Wire Wire Line 8950 5300 8750 5300 Text Label 7350 4200 2 60 ~ 0 NRST Wire Wire Line 7150 4200 7350 4200 Text Label 1950 2350 0 60 ~ 0 GND Text Label 3950 1600 0 60 ~ 0 GND Text Label 3950 2300 0 60 ~ 0 GND Text Label 6050 4000 0 60 ~ 0 GND Text Label 4050 3000 0 60 ~ 0 GND Text Label 4050 3100 0 60 ~ 0 GND Text Label 4850 2300 0 60 ~ 0 GND Text Label 6100 1850 0 60 ~ 0 GND Text Label 6700 1950 0 60 ~ 0 GND Text Label 7550 2000 2 60 ~ 0 GND Text Label 8400 1900 0 60 ~ 0 GND Text Label 3900 4800 2 60 ~ 0 GND Text Label 6100 3000 0 60 ~ 0 GND Text Label 5200 2700 2 60 ~ 0 GND Wire Wire Line 4950 2800 5200 2800 Text Label 8750 3900 0 60 ~ 0 GND Text Label 9200 4000 0 60 ~ 0 GND Text Label 7350 5400 2 60 ~ 0 GND Text Label 2250 4600 2 60 ~ 0 GND Text Label 2750 5150 0 60 ~ 0 HV_OUT Text Label 2750 5250 0 60 ~ 0 HV_OUT Text Label 2250 5050 2 60 ~ 0 GND Text Label 2250 5150 2 60 ~ 0 GND Text Label 2250 5250 2 60 ~ 0 GND Text Label 2250 5700 2 60 ~ 0 GND Text Label 2750 5800 0 60 ~ 0 GND Text Label 2750 5900 0 60 ~ 0 GND Text Label 1950 2450 0 60 ~ 0 GND Text Label 1950 2650 0 60 ~ 0 GND Text Label 1950 2750 0 60 ~ 0 GND Text Label 1950 2950 0 60 ~ 0 GND Text Label 1950 3050 0 60 ~ 0 GND Text Label 1950 3250 0 60 ~ 0 GND Text Label 1950 3350 0 60 ~ 0 GND Text Label 1950 3550 0 60 ~ 0 GND Text Label 1950 3650 0 60 ~ 0 GND Text Label 1450 3950 3 60 ~ 0 GND Text Label 1350 3950 3 60 ~ 0 GND Text Label 1250 3950 3 60 ~ 0 GND Text Label 1150 3950 3 60 ~ 0 GND Text Label 1050 3950 3 60 ~ 0 GND Text Label 1950 1950 0 60 ~ 0 USB_N Text Label 1950 2050 0 60 ~ 0 USB_P $Comp L Connector:USB_C_Receptacle J1 U 1 1 5B6238BC P 1350 2350 F 0 "J1" H 1455 3917 50 0000 C CNN F 1 "USB_C_Receptacle" H 1455 3826 50 0000 C CNN F 2 "Custom Parts:USB_C_Receptacle" H 1500 2350 50 0001 C CNN F 3 "http://www.usb.org/developers/docs/usb_31_033017.zip" H 1500 2350 50 0001 C CNN 1 1350 2350 1 0 0 -1 $EndComp Text Label 1950 1150 0 60 ~ 0 VBUS Text Label 1950 1250 0 60 ~ 0 VBUS Text Label 1950 1350 0 60 ~ 0 VBUS Text Label 5200 3200 2 60 ~ 0 VBUS Text Label 5200 3100 2 60 ~ 0 VBUS Text Label 5200 3000 2 60 ~ 0 VBUS Text Label 5200 2900 2 60 ~ 0 VBUS $Comp L Custom_Parts:TPS63025X U3 U 1 1 5B1672A1 P 5650 2800 F 0 "U3" H 5650 3200 60 0000 C CNN F 1 "TPS63025X" H 5650 3100 60 0000 C CNN F 2 "Custom Parts:VQFN-14_2.5x3mm_Pitch0.5mm" H 5650 2800 60 0001 C CNN F 3 "" H 5650 2800 60 0001 C CNN 1 5650 2800 1 0 0 -1 $EndComp Text Label 6100 2700 0 60 ~ 0 VDD Text Label 6100 2800 0 60 ~ 0 VDD Text Label 6100 2900 0 60 ~ 0 VDD Text Label 6100 3100 0 60 ~ 0 GND Text Label 5200 2050 2 60 ~ 0 VBUS Text Label 5200 2150 2 60 ~ 0 VBUS NoConn ~ 7550 3000 NoConn ~ 7550 3100 NoConn ~ 7550 3200 NoConn ~ 7550 3300 NoConn ~ 8450 3300 NoConn ~ 8450 3200 NoConn ~ 8450 3100 NoConn ~ 8450 3000 NoConn ~ 5200 1850 $Comp L Device:R R15 U 1 1 5BB93CD7 P 5900 4550 F 0 "R15" V 5980 4550 50 0000 C CNN F 1 "10k" V 5800 4550 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 5830 4550 50 0001 C CNN F 3 "" H 5900 4550 50 0001 C CNN 1 5900 4550 0 -1 -1 0 $EndComp Text Label 6050 4550 0 60 ~ 0 FAULT Text Label 5750 4550 2 60 ~ 0 VDD Text Label 6100 1950 0 60 ~ 0 ILM Text Label 7350 4500 2 60 ~ 0 ILM Text Label 4800 1650 0 60 ~ 0 VBUS Wire Wire Line 5200 1950 4800 1950 Connection ~ 4800 1950 Wire Wire Line 4850 2300 4800 2300 Wire Wire Line 4800 2300 4800 2250 Text Label 7350 4400 2 60 ~ 0 USB $Comp L Device:R R3 U 1 1 5BB9C8D3 P 5900 4250 F 0 "R3" V 5980 4250 50 0000 C CNN F 1 "10k" V 5800 4250 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 5830 4250 50 0001 C CNN F 3 "" H 5900 4250 50 0001 C CNN 1 5900 4250 0 -1 -1 0 $EndComp Text Label 6050 4250 0 60 ~ 0 USB Text Label 5750 4250 2 60 ~ 0 VDD Text Label 6750 4200 2 60 ~ 0 GND Wire Wire Line 3000 3200 3150 3200 $Comp L Device:C C14 U 1 1 5BB9F4F9 P 5400 5850 F 0 "C14" H 5285 5804 50 0000 R CNN F 1 "0.1uF" H 5285 5895 50 0000 R CNN F 2 "Capacitors_SMD:C_0603" H 5438 5700 50 0001 C CNN F 3 "~" H 5400 5850 50 0001 C CNN 1 5400 5850 -1 0 0 1 $EndComp Text Label 5450 5700 0 60 ~ 0 VBUS Text Label 5450 6150 0 60 ~ 0 GND $Comp L Device:C C15 U 1 1 5BBA0E2E P 5800 6000 F 0 "C15" H 5685 5954 50 0000 R CNN F 1 "0.1uF" H 5685 6045 50 0000 R CNN F 2 "Capacitors_SMD:C_0603" H 5838 5850 50 0001 C CNN F 3 "~" H 5800 6000 50 0001 C CNN 1 5800 6000 -1 0 0 1 $EndComp Text Label 3850 5400 0 60 ~ 0 VDD Text Label 3850 6150 0 60 ~ 0 GND Text Label 8450 2800 0 60 ~ 0 VBAT Text Label 8450 2900 0 60 ~ 0 GND Text Label 4150 4200 2 60 ~ 0 VBAT Text Label 4450 4200 0 60 ~ 0 GND $Comp L Device:C C1 U 1 1 5BBA4F5D P 3800 5550 F 0 "C1" H 3685 5504 50 0000 R CNN F 1 "10uF" H 3685 5595 50 0000 R CNN F 2 "Capacitors_SMD:C_0805" H 3838 5400 50 0001 C CNN F 3 "~" H 3800 5550 50 0001 C CNN 1 3800 5550 -1 0 0 1 $EndComp $Comp L Device:C C2 U 1 1 5BBA5067 P 4150 5700 F 0 "C2" H 4035 5654 50 0000 R CNN F 1 "10uF" H 4035 5745 50 0000 R CNN F 2 "Capacitors_SMD:C_0805" H 4188 5550 50 0001 C CNN F 3 "~" H 4150 5700 50 0001 C CNN 1 4150 5700 -1 0 0 1 $EndComp $Comp L Device:C C3 U 1 1 5BBA50C7 P 4500 5850 F 0 "C3" H 4385 5804 50 0000 R CNN F 1 "1uF" H 4385 5895 50 0000 R CNN F 2 "Capacitors_SMD:C_0603" H 4538 5700 50 0001 C CNN F 3 "~" H 4500 5850 50 0001 C CNN 1 4500 5850 -1 0 0 1 $EndComp $Comp L Device:C C13 U 1 1 5BBA51A2 P 4850 6000 F 0 "C13" H 4735 5954 50 0000 R CNN F 1 "0.1uF" H 4735 6045 50 0000 R CNN F 2 "Capacitors_SMD:C_0603" H 4888 5850 50 0001 C CNN F 3 "~" H 4850 6000 50 0001 C CNN 1 4850 6000 -1 0 0 1 $EndComp Wire Wire Line 3800 5400 4150 5400 Wire Wire Line 4150 5400 4150 5550 Wire Wire Line 4150 5400 4500 5400 Wire Wire Line 4500 5400 4500 5700 Connection ~ 4150 5400 Wire Wire Line 4500 5400 4850 5400 Wire Wire Line 4850 5400 4850 5850 Connection ~ 4500 5400 Wire Wire Line 4850 6150 4500 6150 Wire Wire Line 4500 6150 4500 6000 Wire Wire Line 4500 6150 4150 6150 Wire Wire Line 4150 6150 4150 5850 Connection ~ 4500 6150 Wire Wire Line 3800 5700 3800 6150 Wire Wire Line 3800 6150 4150 6150 Connection ~ 4150 6150 Wire Wire Line 5400 5700 5800 5700 Wire Wire Line 5800 5700 5800 5850 Wire Wire Line 5800 6150 5400 6150 Wire Wire Line 5400 6150 5400 6000 $Comp L Custom_Parts:AD8591 U5 U 1 1 5BBE6227 P 4300 4800 F 0 "U5" H 4300 5125 50 0000 C CNN F 1 "AD8591" H 4300 5034 50 0000 C CNN F 2 "TO_SOT_Packages_SMD:SOT-23-6" H 4300 4800 50 0001 C CNN F 3 "" H 4300 4800 50 0001 C CNN 1 4300 4800 1 0 0 -1 $EndComp Text Label 4700 4800 0 60 ~ 0 EN_NIXIE $EndSCHEMATC