diff options
| -rw-r--r-- | hw1/README | 8 | ||||
| -rw-r--r-- | hw1/hw1.kicad_pcb | 8 | ||||
| -rw-r--r-- | hw1/hw1.sch | 403 |
3 files changed, 247 insertions, 172 deletions
@@ -6,3 +6,11 @@ lines between the two boards are tapped to a 10 pin connector matching cheap FX2based logic analysers, allowing automatic tests to be written that use sigrok to check that the signals on the wire match expectations. + +TODO: +Check i2c conns to target board! (drop the unused one!) +VCC routing (and recommended mic5504 routing) +ground pours in kicad +reshuffle LA conn +gerber generation? + diff --git a/hw1/hw1.kicad_pcb b/hw1/hw1.kicad_pcb index 9eecfec..8be0496 100644 --- a/hw1/hw1.kicad_pcb +++ b/hw1/hw1.kicad_pcb @@ -2,11 +2,11 @@ (general (links 71) - (no_connects 53) + (no_connects 51) (area 110.922999 72.949999 179.653001 126.440001) (thickness 1.6) (drawings 27) - (tracks 84) + (tracks 88) (zones 0) (modules 25) (nets 25) @@ -1243,11 +1243,15 @@ (segment (start 159.905 102.247) (end 156.135 102.247) (width 0.25) (layer F.Cu) (net 5) (tstamp 5A11F07C)) (segment (start 162.687 105.029) (end 159.905 102.247) (width 0.25) (layer F.Cu) (net 5) (tstamp 5A11F074)) (segment (start 162.687 119.634) (end 162.687 105.029) (width 0.25) (layer F.Cu) (net 5) (tstamp 5A11F06D)) + (segment (start 171.958 123.825) (end 171.958 122.936) (width 0.25) (layer F.Cu) (net 6) (status C00000)) + (segment (start 171.958 122.936) (end 169.037 120.015) (width 0.25) (layer F.Cu) (net 6) (tstamp 5A121551) (status C00000)) (segment (start 147.435 102.747) (end 149.229 102.747) (width 0.25) (layer F.Cu) (net 6)) (segment (start 166.497 120.015) (end 169.037 120.015) (width 0.25) (layer B.Cu) (net 6) (tstamp 5A1212D3)) (segment (start 149.606 103.124) (end 166.497 120.015) (width 0.25) (layer B.Cu) (net 6) (tstamp 5A1212D2)) (via (at 149.606 103.124) (size 0.6) (drill 0.4) (layers F.Cu B.Cu) (net 6)) (segment (start 149.229 102.747) (end 149.606 103.124) (width 0.25) (layer F.Cu) (net 6) (tstamp 5A1212CB)) + (segment (start 174.498 123.825) (end 174.498 122.174) (width 0.25) (layer F.Cu) (net 7) (status 400000)) + (segment (start 174.498 122.174) (end 172.339 120.015) (width 0.25) (layer F.Cu) (net 7) (tstamp 5A12154C) (status 800000)) (segment (start 147.435 102.247) (end 150.126 102.247) (width 0.25) (layer F.Cu) (net 7)) (segment (start 171.069 118.745) (end 172.339 120.015) (width 0.25) (layer B.Cu) (net 7) (tstamp 5A1212F0)) (segment (start 166.624 118.745) (end 171.069 118.745) (width 0.25) (layer B.Cu) (net 7) (tstamp 5A1212E7)) diff --git a/hw1/hw1.sch b/hw1/hw1.sch index 991ee21..9f4a6e2 100644 --- a/hw1/hw1.sch +++ b/hw1/hw1.sch @@ -242,12 +242,12 @@ Text Notes 9700 1600 0 60 ~ 0 $Comp L STM32L151C6TxA U1 U 1 1 58CEFE92 -P 4550 4350 -F 0 "U1" H 1050 6075 50 0000 L BNN -F 1 "STM32L151C6TxA" H 8050 6075 50 0000 R BNN -F 2 "Housings_QFP:TQFP-48_7x7mm_Pitch0.5mm" H 8050 6025 50 0000 R TNN -F 3 "" H 4550 4350 50 0000 C CNN - 1 4550 4350 +P 4950 4500 +F 0 "U1" H 1450 6225 50 0000 L BNN +F 1 "STM32L151C6TxA" H 8450 6225 50 0000 R BNN +F 2 "Housings_QFP:TQFP-48_7x7mm_Pitch0.5mm" H 8450 6175 50 0000 R TNN +F 3 "" H 4950 4500 50 0000 C CNN + 1 4950 4500 1 0 0 -1 $EndComp $Comp @@ -264,23 +264,23 @@ $EndComp $Comp L +3V3 #PWR05 U 1 1 58CF063D -P 4500 2350 -F 0 "#PWR05" H 4500 2200 50 0001 C CNN -F 1 "+3V3" H 4500 2490 50 0000 C CNN -F 2 "" H 4500 2350 50 0000 C CNN -F 3 "" H 4500 2350 50 0000 C CNN - 1 4500 2350 +P 4900 2500 +F 0 "#PWR05" H 4900 2350 50 0001 C CNN +F 1 "+3V3" H 4900 2640 50 0000 C CNN +F 2 "" H 4900 2500 50 0000 C CNN +F 3 "" H 4900 2500 50 0000 C CNN + 1 4900 2500 1 0 0 -1 $EndComp $Comp L GND #PWR06 U 1 1 58CF077D -P 4450 6300 -F 0 "#PWR06" H 4450 6050 50 0001 C CNN -F 1 "GND" H 4450 6150 50 0000 C CNN -F 2 "" H 4450 6300 50 0000 C CNN -F 3 "" H 4450 6300 50 0000 C CNN - 1 4450 6300 +P 4850 6450 +F 0 "#PWR06" H 4850 6200 50 0001 C CNN +F 1 "GND" H 4850 6300 50 0000 C CNN +F 2 "" H 4850 6450 50 0000 C CNN +F 3 "" H 4850 6450 50 0000 C CNN + 1 4850 6450 1 0 0 -1 $EndComp $Comp @@ -316,23 +316,23 @@ F 3 "" H 3850 1650 50 0000 C CNN 1 3850 1650 1 0 0 -1 $EndComp -Text Label 8250 5350 0 60 ~ 0 +Text Label 8650 5500 0 60 ~ 0 USB_DM -Text Label 8250 5450 0 60 ~ 0 +Text Label 8650 5600 0 60 ~ 0 USB_DP Text Label 3550 1600 3 60 ~ 0 USB_DM Text Label 3650 1600 3 60 ~ 0 USB_DP -Text Label 8250 4650 0 60 ~ 0 +Text Label 8650 4800 0 60 ~ 0 DAC1_OUT -Text Label 8250 4750 0 60 ~ 0 +Text Label 8650 4900 0 60 ~ 0 DAC2_OUT -Text Label 550 5050 0 60 ~ 0 +Text Label 950 5200 0 60 ~ 0 I2C_SCL -Text Label 550 5150 0 60 ~ 0 +Text Label 950 5300 0 60 ~ 0 I2C_SDA -Text Notes 5000 2200 0 60 ~ 0 +Text Notes 5400 2350 0 60 ~ 0 [x] debug via via 6pin\n[ ] debug via 10x5x1.27mm cortex SMD\n Text Label 9350 3000 2 60 ~ 0 I2C_SCL @@ -426,32 +426,32 @@ Wire Notes Line Wire Notes Line 10700 1000 10700 500 Wire Wire Line - 4500 2450 4500 2350 + 4900 2600 4900 2500 Wire Wire Line - 4350 2450 4650 2450 + 4750 2600 5050 2600 Wire Wire Line - 4350 2450 4350 2550 + 4750 2600 4750 2700 Wire Wire Line - 4450 2550 4450 2450 -Connection ~ 4450 2450 + 4850 2700 4850 2600 +Connection ~ 4850 2600 Wire Wire Line - 4550 2450 4550 2550 -Connection ~ 4500 2450 + 4950 2600 4950 2700 +Connection ~ 4900 2600 Wire Wire Line - 4650 2450 4650 2550 -Connection ~ 4550 2450 + 5050 2600 5050 2700 +Connection ~ 4950 2600 Wire Wire Line - 4350 6150 4350 6250 + 4750 6300 4750 6400 Wire Wire Line - 4350 6250 4650 6250 + 4750 6400 5050 6400 Wire Wire Line - 4450 6150 4450 6300 -Connection ~ 4450 6250 + 4850 6300 4850 6450 +Connection ~ 4850 6400 Wire Wire Line - 4550 6250 4550 6150 + 4950 6400 4950 6300 Wire Wire Line - 4650 6250 4650 6150 -Connection ~ 4550 6250 + 5050 6400 5050 6300 +Connection ~ 4950 6400 Wire Wire Line 1750 1450 1850 1450 Wire Wire Line @@ -459,21 +459,21 @@ Wire Wire Line Wire Wire Line 3850 1550 3850 1650 Wire Wire Line - 8150 5350 8250 5350 + 8550 5500 8650 5500 Wire Wire Line - 8150 5450 8250 5450 + 8550 5600 8650 5600 Wire Wire Line 3550 1550 3550 1600 Wire Wire Line 3650 1550 3650 1600 Wire Wire Line - 8150 4650 8250 4650 + 8550 4800 8650 4800 Wire Wire Line - 8150 4750 8250 4750 + 8550 4900 8650 4900 Wire Wire Line - 550 5150 950 5150 + 950 5300 1350 5300 Wire Wire Line - 950 5050 550 5050 + 1350 5200 950 5200 Wire Wire Line 1750 1050 1800 1050 Wire Wire Line @@ -531,12 +531,12 @@ $EndComp $Comp L +3V3 #PWR010 U 1 1 58CF46D6 -P 2050 6650 -F 0 "#PWR010" H 2050 6500 50 0001 C CNN -F 1 "+3V3" H 2050 6790 50 0000 C CNN -F 2 "" H 2050 6650 50 0000 C CNN -F 3 "" H 2050 6650 50 0000 C CNN - 1 2050 6650 +P 2450 6800 +F 0 "#PWR010" H 2450 6650 50 0001 C CNN +F 1 "+3V3" H 2450 6940 50 0000 C CNN +F 2 "" H 2450 6800 50 0000 C CNN +F 3 "" H 2450 6800 50 0000 C CNN + 1 2450 6800 1 0 0 -1 $EndComp Wire Wire Line @@ -556,48 +556,48 @@ Connection ~ 2050 7150 $Comp L C C1 U 1 1 58CF4B65 -P 600 3100 -F 0 "C1" H 625 3200 50 0000 L CNN -F 1 "100n" H 625 3000 50 0000 L CNN -F 2 "Capacitors_SMD:C_0603_HandSoldering" H 638 2950 50 0000 C CNN -F 3 "" H 600 3100 50 0000 C CNN - 1 600 3100 +P 600 2900 +F 0 "C1" H 625 3000 50 0000 L CNN +F 1 "100n" H 625 2800 50 0000 L CNN +F 2 "Capacitors_SMD:C_0603_HandSoldering" H 638 2750 50 0000 C CNN +F 3 "" H 600 2900 50 0000 C CNN + 1 600 2900 1 0 0 -1 $EndComp $Comp L GND #PWR011 U 1 1 58CF4BEA -P 600 3350 -F 0 "#PWR011" H 600 3100 50 0001 C CNN -F 1 "GND" H 600 3200 50 0000 C CNN -F 2 "" H 600 3350 50 0000 C CNN -F 3 "" H 600 3350 50 0000 C CNN - 1 600 3350 +P 600 3100 +F 0 "#PWR011" H 600 2850 50 0001 C CNN +F 1 "GND" H 600 2950 50 0000 C CNN +F 2 "" H 600 3100 50 0000 C CNN +F 3 "" H 600 3100 50 0000 C CNN + 1 600 3100 1 0 0 -1 $EndComp Wire Wire Line - 950 2950 600 2950 + 1350 3100 600 2750 Wire Wire Line - 600 3250 600 3350 -NoConn ~ 950 4250 -NoConn ~ 950 4350 -NoConn ~ 950 4050 -NoConn ~ 950 3950 -NoConn ~ 950 3850 -NoConn ~ 950 4650 + 600 3050 600 3100 +NoConn ~ 1350 4400 +NoConn ~ 1350 4500 +NoConn ~ 1350 4200 +NoConn ~ 1350 4100 +NoConn ~ 1350 4000 +NoConn ~ 1350 4800 Wire Wire Line - 950 4550 550 4550 -Text Label 550 4550 0 60 Italic 0 + 1350 4700 950 4700 +Text Label 950 4700 0 60 Italic 0 SWO Wire Wire Line - 8150 5550 8250 5550 + 8550 5700 8650 5700 Wire Wire Line - 8150 5650 8250 5650 -Text Label 8250 5550 0 60 Italic 0 + 8550 5800 8650 5800 +Text Label 8650 5700 0 60 Italic 0 SWDIO -Text Label 8250 5650 0 60 Italic 0 +Text Label 8650 5800 0 60 Italic 0 SWCLK -Text Label 650 2950 0 60 Italic 0 +Text Label 600 2750 0 60 Italic 0 NRST $Comp L PWR_FLAG #FLG012 @@ -662,36 +662,36 @@ NoConn ~ 1250 1450 Text Notes 1000 1450 0 60 ~ 0 CLK Wire Wire Line - 8150 4450 8250 4450 + 8550 4600 8650 4600 Wire Wire Line - 8150 4550 8250 4550 -Text Label 8250 4450 0 60 ~ 0 + 8550 4700 8650 4700 +Text Label 8650 4600 0 60 ~ 0 UART_TX_OUT -Text Label 8250 4550 0 60 ~ 0 +Text Label 8650 4700 0 60 ~ 0 UART_RX_OUT Wire Wire Line - 950 5450 550 5450 + 1350 5600 950 5600 Wire Wire Line - 950 5550 550 5550 + 1350 5700 950 5700 Wire Wire Line - 950 5650 550 5650 + 1350 5800 950 5800 Wire Wire Line - 950 5750 550 5750 -Text Label 550 5450 0 60 ~ 0 + 1350 5900 950 5900 +Text Label 950 5600 0 60 ~ 0 SPI_CS -Text Label 550 5550 0 60 ~ 0 +Text Label 950 5700 0 60 ~ 0 SPI_SCK -Text Label 550 5650 0 60 ~ 0 +Text Label 950 5800 0 60 ~ 0 SPI_MISO -Text Label 550 5750 0 60 ~ 0 +Text Label 950 5900 0 60 ~ 0 SPI_MOSI Wire Wire Line - 8150 4850 8250 4850 + 8550 5000 8650 5000 Wire Wire Line - 8150 4950 8250 4950 -Text Label 8250 4850 0 60 ~ 0 + 8550 5100 8650 5100 +Text Label 8650 5000 0 60 ~ 0 ADC_IN1 -Text Label 8250 4950 0 60 ~ 0 +Text Label 8650 5100 0 60 ~ 0 ADC_IN2 Text Notes 8500 2700 0 60 ~ 0 PA4(DAC1) @@ -762,8 +762,6 @@ F 3 "" H 4850 7000 50 0001 C CNN 1 4850 7000 1 0 0 -1 $EndComp -NoConn ~ 950 3550 -NoConn ~ 950 3650 NoConn ~ 3750 1550 NoConn ~ 4050 1150 Wire Wire Line @@ -822,17 +820,17 @@ Text Label 5600 1650 0 60 ~ 0 SWO Text Notes 5200 950 0 60 ~ 0 STLink compatible debug -NoConn ~ 8150 4250 -NoConn ~ 8150 4350 -NoConn ~ 8150 5050 -NoConn ~ 8150 5150 -NoConn ~ 8150 5250 -NoConn ~ 8150 5750 -NoConn ~ 950 5350 -NoConn ~ 950 5250 -NoConn ~ 950 4950 -NoConn ~ 950 4850 -NoConn ~ 950 4750 +NoConn ~ 8550 4400 +NoConn ~ 8550 4500 +NoConn ~ 8550 5200 +NoConn ~ 8550 5300 +NoConn ~ 8550 5400 +NoConn ~ 8550 5900 +NoConn ~ 1350 5500 +NoConn ~ 1350 5400 +NoConn ~ 1350 5100 +NoConn ~ 1350 5000 +NoConn ~ 1350 4900 Text Notes -121300 438350 0 60 ~ 0 IN/OUT from perspective of HOST\nDUT Nucleo is TARGET Text Notes 8950 6350 0 60 ~ 0 @@ -846,75 +844,75 @@ SWDIO $Comp L R R1 U 1 1 5A0F8D14 -P 9350 4050 -F 0 "R1" V 9430 4050 50 0000 C CNN -F 1 "4k7" V 9350 4050 50 0000 C CNN -F 2 "Resistors_SMD:R_0603_HandSoldering" V 9280 4050 50 0001 C CNN -F 3 "" H 9350 4050 50 0001 C CNN - 1 9350 4050 +P 10500 4050 +F 0 "R1" V 10580 4050 50 0000 C CNN +F 1 "4k7" V 10500 4050 50 0000 C CNN +F 2 "Resistors_SMD:R_0603_HandSoldering" V 10430 4050 50 0001 C CNN +F 3 "" H 10500 4050 50 0001 C CNN + 1 10500 4050 1 0 0 -1 $EndComp $Comp L R R2 U 1 1 5A0F8EF5 -P 9650 4050 -F 0 "R2" V 9730 4050 50 0000 C CNN -F 1 "4k7" V 9650 4050 50 0000 C CNN -F 2 "Resistors_SMD:R_0603_HandSoldering" V 9580 4050 50 0001 C CNN -F 3 "" H 9650 4050 50 0001 C CNN - 1 9650 4050 +P 10800 4050 +F 0 "R2" V 10880 4050 50 0000 C CNN +F 1 "4k7" V 10800 4050 50 0000 C CNN +F 2 "Resistors_SMD:R_0603_HandSoldering" V 10730 4050 50 0001 C CNN +F 3 "" H 10800 4050 50 0001 C CNN + 1 10800 4050 1 0 0 -1 $EndComp Wire Wire Line - 9650 3800 9650 3900 + 10800 3800 10800 3900 Wire Wire Line - 9350 3800 9650 3800 + 10500 3800 10800 3800 Wire Wire Line - 9350 3800 9350 3900 + 10500 3800 10500 3900 $Comp L +3V3 #PWR020 U 1 1 5A0F90D0 -P 9500 3800 -F 0 "#PWR020" H 9500 3650 50 0001 C CNN -F 1 "+3V3" H 9500 3940 50 0000 C CNN -F 2 "" H 9500 3800 50 0000 C CNN -F 3 "" H 9500 3800 50 0000 C CNN - 1 9500 3800 +P 10650 3800 +F 0 "#PWR020" H 10650 3650 50 0001 C CNN +F 1 "+3V3" H 10650 3940 50 0000 C CNN +F 2 "" H 10650 3800 50 0000 C CNN +F 3 "" H 10650 3800 50 0000 C CNN + 1 10650 3800 1 0 0 -1 $EndComp $Comp L Jumper_NC_Small JP1 U 1 1 5A0F91B9 -P 9350 4350 -F 0 "JP1" H 9350 4430 50 0000 C CNN -F 1 "Jumper_NC_Small" H 9360 4290 50 0000 C CNN -F 2 "Socket_Strips:Socket_Strip_Straight_2x01_Pitch2.54mm" H 9350 4350 50 0001 C CNN -F 3 "" H 9350 4350 50 0001 C CNN - 1 9350 4350 +P 10500 4350 +F 0 "JP1" H 10500 4430 50 0000 C CNN +F 1 "Jumper_NC_Small" H 10510 4290 50 0000 C CNN +F 2 "Socket_Strips:Socket_Strip_Straight_2x01_Pitch2.54mm" H 10500 4350 50 0001 C CNN +F 3 "" H 10500 4350 50 0001 C CNN + 1 10500 4350 0 -1 -1 0 $EndComp $Comp L Jumper_NC_Small JP2 U 1 1 5A0F9269 -P 9650 4350 -F 0 "JP2" H 9650 4430 50 0000 C CNN -F 1 "Jumper_NC_Small" H 9660 4290 50 0000 C CNN -F 2 "Socket_Strips:Socket_Strip_Straight_2x01_Pitch2.54mm" H 9650 4350 50 0001 C CNN -F 3 "" H 9650 4350 50 0001 C CNN - 1 9650 4350 +P 10800 4350 +F 0 "JP2" H 10800 4430 50 0000 C CNN +F 1 "Jumper_NC_Small" H 10810 4290 50 0000 C CNN +F 2 "Socket_Strips:Socket_Strip_Straight_2x01_Pitch2.54mm" H 10800 4350 50 0001 C CNN +F 3 "" H 10800 4350 50 0001 C CNN + 1 10800 4350 0 -1 -1 0 $EndComp Wire Wire Line - 9350 4200 9350 4250 + 10500 4200 10500 4250 Wire Wire Line - 9650 4200 9650 4250 + 10800 4200 10800 4250 Wire Wire Line - 9650 4450 9650 4600 + 10800 4450 10800 4600 Wire Wire Line - 9350 4450 9350 4600 -Text Label 9350 4600 3 60 ~ 0 + 10500 4450 10500 4600 +Text Label 10500 4600 3 60 ~ 0 I2C_SDA -Text Label 9650 4600 3 60 ~ 0 +Text Label 10800 4600 3 60 ~ 0 I2C_SCL Text Notes 600 800 0 60 ~ 0 Designed for a cheap FX2LA\nto be just "plugged in" for sigrok @@ -928,36 +926,36 @@ Wire Wire Line Wire Wire Line 9400 2300 9300 2300 NoConn ~ 9300 2300 -NoConn ~ 950 4450 -NoConn ~ 950 3150 -Text Notes 1350 3150 0 60 ~ 0 +NoConn ~ 1350 4600 +NoConn ~ 1350 3300 +Text Notes 1750 3300 0 60 ~ 0 We're using debugger only here $Comp L C C6 U 1 1 5A0FB867 -P 700 3800 -F 0 "C6" H 725 3900 50 0000 L CNN -F 1 "100n" H 725 3700 50 0000 L CNN -F 2 "Capacitors_SMD:C_0603_HandSoldering" H 738 3650 50 0000 C CNN -F 3 "" H 700 3800 50 0000 C CNN - 1 700 3800 +P 800 3200 +F 0 "C6" H 825 3300 50 0000 L CNN +F 1 "100n" H 825 3100 50 0000 L CNN +F 2 "Capacitors_SMD:C_0603_HandSoldering" H 838 3050 50 0000 C CNN +F 3 "" H 800 3200 50 0000 C CNN + 1 800 3200 1 0 0 -1 $EndComp $Comp L GND #PWR021 U 1 1 5A0FB8D8 -P 700 4000 -F 0 "#PWR021" H 700 3750 50 0001 C CNN -F 1 "GND" H 700 3850 50 0000 C CNN -F 2 "" H 700 4000 50 0000 C CNN -F 3 "" H 700 4000 50 0000 C CNN - 1 700 4000 +P 800 3400 +F 0 "#PWR021" H 800 3150 50 0001 C CNN +F 1 "GND" H 800 3250 50 0000 C CNN +F 2 "" H 800 3400 50 0000 C CNN +F 3 "" H 800 3400 50 0000 C CNN + 1 800 3400 1 0 0 -1 $EndComp Wire Wire Line - 700 3950 700 4000 -Text Notes -500 3850 0 60 ~ 0 -Don't place this\nI dont' think we need it + 800 3350 800 3400 +Text Notes -950 3450 0 60 ~ 0 +Not needed on L1, but needed for L4/F3 Text Notes 9000 3300 0 60 ~ 0 TODO\n[ ] Route all spare pins to _something_? $Comp @@ -988,11 +986,76 @@ Connection ~ 5400 7500 Wire Wire Line 6100 7200 6100 7000 Connection ~ 6100 7000 -Connection ~ 9500 3800 +Connection ~ 10650 3800 Wire Wire Line - 950 3350 700 3350 + 1350 3500 1100 3500 Wire Wire Line - 700 3350 700 3650 -Text Label 950 3350 2 60 ~ 0 + 1100 3500 800 3050 +Text Label 1350 3500 2 60 ~ 0 VLCD +Text Notes 5150 2750 0 60 ~ 0 +L1/F303/L4 in qfp48 are all compatible with this layout\n(but f3 needs external pullup on USB-DP) +$Comp +L Crystal_GND24_Small Y? +U 1 1 5A137095 +P 800 3800 +F 0 "Y?" H 850 3975 50 0000 L CNN +F 1 "Crystal_GND24_Small" H 850 3900 50 0000 L CNN +F 2 "" H 800 3800 50 0001 C CNN +F 3 "" H 800 3800 50 0001 C CNN + 1 800 3800 + 0 1 1 0 +$EndComp +Wire Wire Line + 550 3700 1350 3700 +Wire Wire Line + 1350 3800 1150 3800 +Wire Wire Line + 1150 3900 1150 3800 +Wire Wire Line + 750 3900 1150 3900 +$Comp +L C C? +U 1 1 5A1373B8 +P 750 4150 +F 0 "C?" H 775 4250 50 0000 L CNN +F 1 "18pf" H 775 4050 50 0000 L CNN +F 2 "Capacitors_SMD:C_0603_HandSoldering" H 788 4000 50 0000 C CNN +F 3 "" H 750 4150 50 0000 C CNN + 1 750 4150 + 1 0 0 -1 +$EndComp +$Comp +L C C? +U 1 1 5A137455 +P 550 4150 +F 0 "C?" H 575 4250 50 0000 L CNN +F 1 "18pf" H 575 4050 50 0000 L CNN +F 2 "Capacitors_SMD:C_0603_HandSoldering" H 588 4000 50 0000 C CNN +F 3 "" H 550 4150 50 0000 C CNN + 1 550 4150 + 1 0 0 -1 +$EndComp +$Comp +L GND #PWR? +U 1 1 5A137592 +P 650 4400 +F 0 "#PWR?" H 650 4150 50 0001 C CNN +F 1 "GND" H 650 4250 50 0000 C CNN +F 2 "" H 650 4400 50 0000 C CNN +F 3 "" H 650 4400 50 0000 C CNN + 1 650 4400 + 1 0 0 -1 +$EndComp +Wire Wire Line + 550 4000 550 3700 +Connection ~ 800 3700 +Wire Wire Line + 650 4400 650 4300 +Wire Wire Line + 550 4300 750 4300 +Connection ~ 650 4300 +Wire Wire Line + 750 4000 750 3900 +Connection ~ 800 3900 $EndSCHEMATC |