EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 3 5
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L 74xx:74LS00 U?
U 2 1 5F327304
P 2950 2300
AR Path="/5F327304" Ref="U?"  Part="2" 
AR Path="/5ED6119E/5F327304" Ref="U?"  Part="2" 
AR Path="/5F5D026F/5F327304" Ref="U2"  Part="2" 
F 0 "U2" H 2950 2625 50  0000 C CNN
F 1 "74ACT00" H 2950 2534 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 2950 2300 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 2950 2300 50  0001 C CNN
	2    2950 2300
	-1   0    0    -1  
$EndComp
$Comp
L 74xx:74LS00 U?
U 5 1 5F32730A
P 10450 2400
AR Path="/5F32730A" Ref="U?"  Part="5" 
AR Path="/5ED6119E/5F32730A" Ref="U?"  Part="5" 
AR Path="/5F5D026F/5F32730A" Ref="U2"  Part="5" 
F 0 "U2" H 10680 2446 50  0000 L CNN
F 1 "74ACT00" H 10680 2355 50  0000 L CNN
F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 10450 2400 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 10450 2400 50  0001 C CNN
	5    10450 2400
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LM4562 U?
U 1 1 5F327310
P 7800 5100
AR Path="/5ED6119E/5F327310" Ref="U?"  Part="1" 
AR Path="/5F5D026F/5F327310" Ref="U7"  Part="1" 
F 0 "U7" H 7800 5467 50  0000 C CNN
F 1 "74ACT00" H 7800 5376 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 7800 5100 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7800 5100 50  0001 C CNN
	1    7800 5100
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LM4562 U?
U 2 1 5F327316
P 10050 4750
AR Path="/5ED6119E/5F327316" Ref="U?"  Part="2" 
AR Path="/5F5D026F/5F327316" Ref="U7"  Part="2" 
F 0 "U7" H 10050 5117 50  0000 C CNN
F 1 "74ACT00" H 10050 5026 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 10050 4750 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 10050 4750 50  0001 C CNN
	2    10050 4750
	1    0    0    1   
$EndComp
$Comp
L Amplifier_Operational:LM4562 U?
U 3 1 5F32731C
P 9400 2550
AR Path="/5ED6119E/5F32731C" Ref="U?"  Part="3" 
AR Path="/5F5D026F/5F32731C" Ref="U10"  Part="3" 
F 0 "U10" H 9358 2596 50  0000 L CNN
F 1 "LM4562" H 9358 2505 50  0000 L CNN
F 2 "Housings_SOIC:SOIC-8-1EP_3.9x4.9mm_Pitch1.27mm" H 9400 2550 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm4562.pdf" H 9400 2550 50  0001 C CNN
	3    9400 2550
	1    0    0    -1  
$EndComp
Wire Wire Line
	3250 2200 3250 2300
Wire Wire Line
	3350 2300 3250 2300
Connection ~ 3250 2300
Wire Wire Line
	3250 2300 3250 2400
Text HLabel 2000 2300 0    50   Input ~ 0
Tx
Text HLabel 4400 4750 0    50   Input ~ 0
Rx
$Comp
L Device:R_US R?
U 1 1 5F327351
P 4500 4350
AR Path="/5ED6119E/5F327351" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F327351" Ref="R17"  Part="1" 
F 0 "R17" H 4432 4304 50  0000 R CNN
F 1 "2k" H 4432 4395 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 4540 4340 50  0001 C CNN
F 3 "~" H 4500 4350 50  0001 C CNN
	1    4500 4350
	-1   0    0    1   
$EndComp
Wire Wire Line
	4400 4750 4500 4750
$Comp
L power:GND #PWR?
U 1 1 5F32735E
P 6700 2500
AR Path="/5ED6119E/5F32735E" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F32735E" Ref="#PWR0136"  Part="1" 
F 0 "#PWR0136" H 6700 2250 50  0001 C CNN
F 1 "GND" H 6705 2327 50  0000 C CNN
F 2 "" H 6700 2500 50  0001 C CNN
F 3 "" H 6700 2500 50  0001 C CNN
	1    6700 2500
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 5F327364
P 6700 1350
AR Path="/5ED6119E/5F327364" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F327364" Ref="#PWR0137"  Part="1" 
F 0 "#PWR0137" H 6700 1200 50  0001 C CNN
F 1 "+3.3V" H 6715 1523 50  0000 C CNN
F 2 "" H 6700 1350 50  0001 C CNN
F 3 "" H 6700 1350 50  0001 C CNN
	1    6700 1350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F327370
P 10450 2900
AR Path="/5ED6119E/5F327370" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F327370" Ref="#PWR0138"  Part="1" 
F 0 "#PWR0138" H 10450 2650 50  0001 C CNN
F 1 "GND" H 10455 2727 50  0000 C CNN
F 2 "" H 10450 2900 50  0001 C CNN
F 3 "" H 10450 2900 50  0001 C CNN
	1    10450 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6200 1800 5900 1800
Wire Wire Line
	6200 2000 5900 2000
Text Label 5900 1800 0    50   ~ 0
CLK0
Text Label 5900 2000 0    50   ~ 0
CLK1
Wire Wire Line
	5800 3850 6050 3850
Wire Wire Line
	5800 3950 6050 3950
Text Label 5850 3850 0    50   ~ 0
CLK0
Text Label 5850 3950 0    50   ~ 0
CLK1
$Comp
L Device:R_US R?
U 1 1 5F327388
P 6950 5300
AR Path="/5ED6119E/5F327388" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F327388" Ref="R21"  Part="1" 
F 0 "R21" V 6745 5300 50  0000 C CNN
F 1 "1k" V 6836 5300 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 6990 5290 50  0001 C CNN
F 3 "~" H 6950 5300 50  0001 C CNN
	1    6950 5300
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F327394
P 9250 4650
AR Path="/5ED6119E/5F327394" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F327394" Ref="R36"  Part="1" 
F 0 "R36" V 9045 4650 50  0000 C CNN
F 1 "1k" V 9136 4650 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 9290 4640 50  0001 C CNN
F 3 "~" H 9250 4650 50  0001 C CNN
	1    9250 4650
	0    1    1    0   
$EndComp
Wire Wire Line
	9750 4850 9650 4850
Wire Wire Line
	7500 5200 7350 5200
$Comp
L Device:R_US R?
U 1 1 5F3273A0
P 7700 5550
AR Path="/5ED6119E/5F3273A0" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F3273A0" Ref="R24"  Part="1" 
F 0 "R24" V 7495 5550 50  0000 C CNN
F 1 "82k" V 7586 5550 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 7740 5540 50  0001 C CNN
F 3 "~" H 7700 5550 50  0001 C CNN
	1    7700 5550
	0    1    1    0   
$EndComp
$Comp
L Device:C C?
U 1 1 5F3273A6
P 7950 5650
AR Path="/5ED6119E/5F3273A6" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F3273A6" Ref="C28"  Part="1" 
F 0 "C28" V 7698 5650 50  0000 C CNN
F 1 "470p" V 7789 5650 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 7988 5500 50  0001 C CNN
F 3 "~" H 7950 5650 50  0001 C CNN
	1    7950 5650
	0    1    1    0   
$EndComp
Wire Wire Line
	7800 5650 7350 5650
Wire Wire Line
	7350 5650 7350 5550
Connection ~ 7350 5550
Wire Wire Line
	7350 5550 7550 5550
Wire Wire Line
	7850 5550 8200 5550
Wire Wire Line
	8200 5550 8200 5100
Wire Wire Line
	8200 5100 8100 5100
Wire Wire Line
	8100 5650 8200 5650
Wire Wire Line
	8200 5650 8200 5550
Connection ~ 8200 5550
$Comp
L Device:C C?
U 1 1 5F3273B8
P 10150 4450
AR Path="/5ED6119E/5F3273B8" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F3273B8" Ref="C34"  Part="1" 
F 0 "C34" V 9898 4450 50  0000 C CNN
F 1 "470p" V 9989 4450 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 10188 4300 50  0001 C CNN
F 3 "~" H 10150 4450 50  0001 C CNN
	1    10150 4450
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F3273BE
P 9900 4350
AR Path="/5ED6119E/5F3273BE" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F3273BE" Ref="R38"  Part="1" 
F 0 "R38" V 9695 4350 50  0000 C CNN
F 1 "82k" V 9786 4350 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 9940 4340 50  0001 C CNN
F 3 "~" H 9900 4350 50  0001 C CNN
	1    9900 4350
	0    1    1    0   
$EndComp
Wire Wire Line
	9750 4350 9700 4350
Wire Wire Line
	9700 4350 9700 4450
Connection ~ 9700 4650
Wire Wire Line
	9700 4650 9750 4650
Wire Wire Line
	10000 4450 9700 4450
Connection ~ 9700 4450
Wire Wire Line
	9700 4450 9700 4650
Wire Wire Line
	10300 4450 10500 4450
Wire Wire Line
	10500 4750 10350 4750
Wire Wire Line
	10050 4350 10500 4350
Wire Wire Line
	10500 4350 10500 4450
Connection ~ 10500 4450
Wire Wire Line
	8300 5100 8200 5100
Connection ~ 8200 5100
Wire Wire Line
	10500 4450 10500 4600
Wire Wire Line
	10600 4600 10500 4600
Connection ~ 10500 4600
Wire Wire Line
	10500 4600 10500 4750
$Comp
L Device:C C?
U 1 1 5F327410
P 6700 5500
AR Path="/5ED6119E/5F327410" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F327410" Ref="C21"  Part="1" 
F 0 "C21" H 6585 5454 50  0000 R CNN
F 1 "22p" H 6585 5545 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 6738 5350 50  0001 C CNN
F 3 "~" H 6700 5500 50  0001 C CNN
	1    6700 5500
	-1   0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 5F327416
P 6450 5700
AR Path="/5ED6119E/5F327416" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F327416" Ref="C20"  Part="1" 
F 0 "C20" H 6335 5654 50  0000 R CNN
F 1 "22p" H 6335 5745 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 6488 5550 50  0001 C CNN
F 3 "~" H 6450 5700 50  0001 C CNN
	1    6450 5700
	-1   0    0    1   
$EndComp
$Comp
L Device:C C?
U 1 1 5F32741E
P 9000 5150
AR Path="/5ED6119E/5F32741E" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F32741E" Ref="C32"  Part="1" 
F 0 "C32" H 8885 5104 50  0000 R CNN
F 1 "22p" H 8885 5195 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 9038 5000 50  0001 C CNN
F 3 "~" H 9000 5150 50  0001 C CNN
	1    9000 5150
	-1   0    0    1   
$EndComp
$Comp
L Device:C C?
U 1 1 5F327424
P 8750 5300
AR Path="/5ED6119E/5F327424" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F327424" Ref="C30"  Part="1" 
F 0 "C30" H 8635 5254 50  0000 R CNN
F 1 "22p" H 8635 5345 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 8788 5150 50  0001 C CNN
F 3 "~" H 8750 5300 50  0001 C CNN
	1    8750 5300
	-1   0    0    1   
$EndComp
Wire Wire Line
	9000 4950 9000 5000
Wire Wire Line
	9100 4650 8750 4650
Wire Wire Line
	8750 4650 8750 5150
Wire Wire Line
	6800 5300 6700 5300
Wire Wire Line
	6700 5300 6700 5350
Wire Wire Line
	6450 5000 6450 5550
Wire Wire Line
	6700 5650 6700 5850
Wire Wire Line
	9000 5300 9000 5450
Connection ~ 8750 4650
Connection ~ 9000 4950
Wire Wire Line
	5800 4950 5800 5300
Wire Wire Line
	5800 5300 6700 5300
Connection ~ 6700 5300
Wire Wire Line
	5900 5000 6450 5000
Connection ~ 6450 5000
Wire Wire Line
	7200 1650 7200 1700
Wire Wire Line
	7200 1950 7200 1900
Wire Wire Line
	7850 2200 7200 2200
Wire Wire Line
	7200 2300 8100 2300
$Comp
L Device:C C?
U 1 1 5F3274C6
P 6350 1450
AR Path="/5ED6119E/5F3274C6" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F3274C6" Ref="C16"  Part="1" 
F 0 "C16" V 6098 1450 50  0000 C CNN
F 1 "100n" V 6189 1450 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 6388 1300 50  0001 C CNN
F 3 "~" H 6350 1450 50  0001 C CNN
	1    6350 1450
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F3274CC
P 6100 1500
AR Path="/5ED6119E/5F3274CC" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F3274CC" Ref="#PWR0139"  Part="1" 
F 0 "#PWR0139" H 6100 1250 50  0001 C CNN
F 1 "GND" H 6105 1327 50  0000 C CNN
F 2 "" H 6100 1500 50  0001 C CNN
F 3 "" H 6100 1500 50  0001 C CNN
	1    6100 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	6100 1450 6100 1500
Wire Wire Line
	6100 1450 6200 1450
Wire Wire Line
	6700 1350 6700 1450
Wire Wire Line
	6700 1450 6600 1450
Wire Wire Line
	6600 1500 6600 1450
Connection ~ 6600 1450
Wire Wire Line
	6600 1450 6500 1450
Wire Wire Line
	6800 1500 6800 1450
Wire Wire Line
	6800 1450 6700 1450
Connection ~ 6700 1450
$Comp
L uSDX:FST3253 U?
U 1 1 5F3274F2
P 5400 4250
AR Path="/5ED6119E/5F3274F2" Ref="U?"  Part="1" 
AR Path="/5F5D026F/5F3274F2" Ref="U4"  Part="1" 
F 0 "U4" H 5400 5231 50  0000 C CNN
F 1 "74CBTLV3253" H 5350 5100 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-16_3.9x9.9mm_Pitch1.27mm" H 5650 3400 50  0001 L CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 5410 4250 50  0001 C CNN
	1    5400 4250
	-1   0    0    -1  
$EndComp
Wire Wire Line
	7200 1650 7350 1650
Wire Wire Line
	7200 1950 7350 1950
$Comp
L Device:Ferrite_Bead FB?
U 1 1 5F327517
P 9300 2100
AR Path="/5ED6119E/5F327517" Ref="FB?"  Part="1" 
AR Path="/5F5D026F/5F327517" Ref="FB1"  Part="1" 
F 0 "FB1" H 9163 2054 50  0000 R CNN
F 1 "Ferrite_Bead" H 9163 2145 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 9230 2100 50  0001 C CNN
F 3 "~" H 9300 2100 50  0001 C CNN
	1    9300 2100
	-1   0    0    1   
$EndComp
$Comp
L Device:C C?
U 1 1 5F32751D
P 8850 2600
AR Path="/5ED6119E/5F32751D" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F32751D" Ref="C35"  Part="1" 
F 0 "C35" H 8735 2554 50  0000 R CNN
F 1 "100n" H 8735 2645 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 8888 2450 50  0001 C CNN
F 3 "~" H 8850 2600 50  0001 C CNN
	1    8850 2600
	-1   0    0    1   
$EndComp
Wire Wire Line
	8850 2750 8850 2850
Wire Wire Line
	8850 2250 8850 2450
Wire Wire Line
	9300 2250 8850 2250
Connection ~ 9300 2250
Wire Wire Line
	4500 4200 4150 4200
Text Label 4150 4200 0    50   ~ 0
AVCC
Connection ~ 4500 4750
Wire Wire Line
	4500 4500 4500 4750
$Comp
L 74xx:74LS00 U?
U 1 1 5F32758B
P 3650 2300
AR Path="/5F32758B" Ref="U?"  Part="1" 
AR Path="/5ED6119E/5F32758B" Ref="U?"  Part="1" 
AR Path="/5F5D026F/5F32758B" Ref="U2"  Part="1" 
F 0 "U2" H 3650 2625 50  0000 C CNN
F 1 "74ACT00" H 3650 2534 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 3650 2300 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 3650 2300 50  0001 C CNN
	1    3650 2300
	-1   0    0    -1  
$EndComp
$Comp
L 74xx:74LS00 U?
U 4 1 5F327591
P 8100 4050
AR Path="/5F327591" Ref="U?"  Part="4" 
AR Path="/5ED6119E/5F327591" Ref="U?"  Part="4" 
AR Path="/5F5D026F/5F327591" Ref="U9"  Part="4" 
F 0 "U9" H 8100 4375 50  0000 C CNN
F 1 "74ACT00" H 8100 4284 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 8100 4050 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 8100 4050 50  0001 C CNN
	4    8100 4050
	-1   0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 5F3275B8
P 7950 1700
AR Path="/5ED6119E/5F3275B8" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F3275B8" Ref="#PWR0140"  Part="1" 
F 0 "#PWR0140" H 7950 1550 50  0001 C CNN
F 1 "+3.3V" H 7965 1873 50  0000 C CNN
F 2 "" H 7950 1700 50  0001 C CNN
F 3 "" H 7950 1700 50  0001 C CNN
	1    7950 1700
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F3275BE
P 7850 1950
AR Path="/5ED6119E/5F3275BE" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F3275BE" Ref="R34"  Part="1" 
F 0 "R34" H 7782 1904 50  0000 R CNN
F 1 "1k" H 7782 1995 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 7890 1940 50  0001 C CNN
F 3 "~" H 7850 1950 50  0001 C CNN
	1    7850 1950
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F3275C4
P 8100 1950
AR Path="/5ED6119E/5F3275C4" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F3275C4" Ref="R35"  Part="1" 
F 0 "R35" H 8032 1904 50  0000 R CNN
F 1 "1k" H 8032 1995 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 8140 1940 50  0001 C CNN
F 3 "~" H 8100 1950 50  0001 C CNN
	1    8100 1950
	-1   0    0    1   
$EndComp
Wire Wire Line
	7850 1800 7950 1800
Wire Wire Line
	7950 1700 7950 1800
Connection ~ 7950 1800
Wire Wire Line
	7950 1800 8100 1800
Wire Wire Line
	7850 2100 7850 2200
Wire Wire Line
	8100 2300 8100 2100
$Comp
L Oscillator:Si5351A-B-GT U?
U 1 1 5F3275D0
P 6700 2000
AR Path="/5ED6119E/5F3275D0" Ref="U?"  Part="1" 
AR Path="/5F5D026F/5F3275D0" Ref="U6"  Part="1" 
F 0 "U6" H 6700 1411 50  0000 C CNN
F 1 "74ACT00" H 6700 1320 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 6700 1200 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 6350 1900 50  0001 C CNN
	1    6700 2000
	-1   0    0    -1  
$EndComp
$Comp
L Device:Crystal Y?
U 1 1 5F3275D6
P 7350 1800
AR Path="/5ED6119E/5F3275D6" Ref="Y?"  Part="1" 
AR Path="/5F5D026F/5F3275D6" Ref="Y1"  Part="1" 
F 0 "Y1" V 7350 1550 50  0000 L CNN
F 1 "25MHz" V 7450 1450 50  0000 L CNN
F 2 "Crystals:Crystal_SMD_Abracon_ABM3-2pin_5.0x3.2mm" H 7350 1800 50  0001 C CNN
F 3 "~" H 7350 1800 50  0001 C CNN
	1    7350 1800
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F3275DC
P 5200 5150
AR Path="/5ED6119E/5F3275DC" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F3275DC" Ref="#PWR0141"  Part="1" 
F 0 "#PWR0141" H 5200 4900 50  0001 C CNN
F 1 "GND" H 5205 4977 50  0000 C CNN
F 2 "" H 5200 5150 50  0001 C CNN
F 3 "" H 5200 5150 50  0001 C CNN
	1    5200 5150
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F3275E2
P 5950 3700
AR Path="/5ED6119E/5F3275E2" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F3275E2" Ref="#PWR0142"  Part="1" 
F 0 "#PWR0142" H 5950 3450 50  0001 C CNN
F 1 "GND" H 5955 3527 50  0000 C CNN
F 2 "" H 5950 3700 50  0001 C CNN
F 3 "" H 5950 3700 50  0001 C CNN
	1    5950 3700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5950 3700 5850 3700
Wire Wire Line
	5850 3700 5850 3750
Wire Wire Line
	5850 3750 5800 3750
$Comp
L power:+3.3V #PWR?
U 1 1 5F347400
P 10450 1900
AR Path="/5ED6119E/5F347400" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F347400" Ref="#PWR0143"  Part="1" 
F 0 "#PWR0143" H 10450 1750 50  0001 C CNN
F 1 "+3.3V" H 10465 2073 50  0000 C CNN
F 2 "" H 10450 1900 50  0001 C CNN
F 3 "" H 10450 1900 50  0001 C CNN
	1    10450 1900
	1    0    0    -1  
$EndComp
Wire Wire Line
	8500 3950 8400 3950
Wire Wire Line
	8500 4150 8400 4150
Wire Wire Line
	5800 4850 5900 4850
Wire Wire Line
	5900 4850 5900 5000
Wire Wire Line
	5800 4750 8200 4750
Wire Wire Line
	8200 4750 8200 4950
Wire Wire Line
	8200 4950 9000 4950
Wire Wire Line
	5800 4650 8750 4650
$Comp
L Device:C C?
U 1 1 5F3A6463
P 7400 4250
AR Path="/5ED6119E/5F3A6463" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F3A6463" Ref="C27"  Part="1" 
F 0 "C27" H 7285 4204 50  0000 R CNN
F 1 "33n" H 7285 4295 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 7438 4100 50  0001 C CNN
F 3 "~" H 7400 4250 50  0001 C CNN
	1    7400 4250
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F484815
P 7600 4050
AR Path="/5ED6119E/5F484815" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F484815" Ref="R33"  Part="1" 
F 0 "R33" V 7395 4050 50  0000 C CNN
F 1 "1k" V 7486 4050 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 7640 4040 50  0001 C CNN
F 3 "~" H 7600 4050 50  0001 C CNN
	1    7600 4050
	0    1    1    0   
$EndComp
Wire Wire Line
	7800 4050 7750 4050
Wire Wire Line
	7450 4050 7400 4050
Wire Wire Line
	7400 4050 7400 4100
$Comp
L Device:R_US R?
U 1 1 5F48EAE7
P 7500 3750
AR Path="/5ED6119E/5F48EAE7" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F48EAE7" Ref="R25"  Part="1" 
F 0 "R25" V 7295 3750 50  0000 C CNN
F 1 "1k" V 7386 3750 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 7540 3740 50  0001 C CNN
F 3 "~" H 7500 3750 50  0001 C CNN
	1    7500 3750
	0    1    1    0   
$EndComp
$Comp
L Device:C C?
U 1 1 5F48F0AC
P 7000 4250
AR Path="/5ED6119E/5F48F0AC" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F48F0AC" Ref="C25"  Part="1" 
F 0 "C25" H 6885 4204 50  0000 R CNN
F 1 "33n" H 6885 4295 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 7038 4100 50  0001 C CNN
F 3 "~" H 7000 4250 50  0001 C CNN
	1    7000 4250
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5F48F62E
P 7200 4400
AR Path="/5ED6119E/5F48F62E" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F48F62E" Ref="#PWR0144"  Part="1" 
F 0 "#PWR0144" H 7200 4150 50  0001 C CNN
F 1 "GNDA" H 7205 4227 50  0000 C CNN
F 2 "" H 7200 4400 50  0001 C CNN
F 3 "" H 7200 4400 50  0001 C CNN
	1    7200 4400
	1    0    0    -1  
$EndComp
Wire Wire Line
	7000 4400 7200 4400
Connection ~ 7200 4400
Wire Wire Line
	7200 4400 7400 4400
Wire Wire Line
	7350 3750 7000 3750
Wire Wire Line
	7000 3750 7000 4100
Wire Wire Line
	7650 3750 8500 3750
Wire Wire Line
	8500 3750 8500 3950
Connection ~ 8500 3950
$Comp
L 74xx:74LS00 U?
U 4 1 5F4A8396
P 8050 3100
AR Path="/5F4A8396" Ref="U?"  Part="4" 
AR Path="/5ED6119E/5F4A8396" Ref="U?"  Part="4" 
AR Path="/5F5D026F/5F4A8396" Ref="U2"  Part="4" 
F 0 "U2" H 8050 3425 50  0000 C CNN
F 1 "74ACT00" H 8050 3334 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 8050 3100 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 8050 3100 50  0001 C CNN
	4    8050 3100
	-1   0    0    -1  
$EndComp
Wire Wire Line
	8450 3000 8350 3000
Wire Wire Line
	8450 3200 8350 3200
$Comp
L Device:C C?
U 1 1 5F4A83A5
P 7350 3300
AR Path="/5ED6119E/5F4A83A5" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F4A83A5" Ref="C26"  Part="1" 
F 0 "C26" H 7235 3254 50  0000 R CNN
F 1 "33n" H 7235 3345 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 7388 3150 50  0001 C CNN
F 3 "~" H 7350 3300 50  0001 C CNN
	1    7350 3300
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F4A83AF
P 7550 3100
AR Path="/5ED6119E/5F4A83AF" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F4A83AF" Ref="R32"  Part="1" 
F 0 "R32" V 7345 3100 50  0000 C CNN
F 1 "1k" V 7436 3100 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 7590 3090 50  0001 C CNN
F 3 "~" H 7550 3100 50  0001 C CNN
	1    7550 3100
	0    1    1    0   
$EndComp
Wire Wire Line
	7750 3100 7700 3100
Wire Wire Line
	7400 3100 7350 3100
Wire Wire Line
	7350 3100 7350 3150
$Comp
L Device:R_US R?
U 1 1 5F4A83BC
P 7450 2800
AR Path="/5ED6119E/5F4A83BC" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F4A83BC" Ref="R23"  Part="1" 
F 0 "R23" V 7245 2800 50  0000 C CNN
F 1 "1k" V 7336 2800 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 7490 2790 50  0001 C CNN
F 3 "~" H 7450 2800 50  0001 C CNN
	1    7450 2800
	0    1    1    0   
$EndComp
$Comp
L Device:C C?
U 1 1 5F4A83C6
P 6950 3300
AR Path="/5ED6119E/5F4A83C6" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F4A83C6" Ref="C22"  Part="1" 
F 0 "C22" H 6835 3254 50  0000 R CNN
F 1 "33n" H 6835 3345 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 6988 3150 50  0001 C CNN
F 3 "~" H 6950 3300 50  0001 C CNN
	1    6950 3300
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5F4A83D0
P 7150 3450
AR Path="/5ED6119E/5F4A83D0" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F4A83D0" Ref="#PWR0145"  Part="1" 
F 0 "#PWR0145" H 7150 3200 50  0001 C CNN
F 1 "GNDA" H 7155 3277 50  0000 C CNN
F 2 "" H 7150 3450 50  0001 C CNN
F 3 "" H 7150 3450 50  0001 C CNN
	1    7150 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 3450 7150 3450
Connection ~ 7150 3450
Wire Wire Line
	7150 3450 7350 3450
Wire Wire Line
	7300 2800 6950 2800
Wire Wire Line
	6950 2800 6950 3150
Wire Wire Line
	7600 2800 8450 2800
Wire Wire Line
	8450 2800 8450 3000
Connection ~ 8450 3000
Connection ~ 6950 2800
Wire Wire Line
	5850 3650 5800 3650
Wire Wire Line
	5850 3650 5850 3700
Connection ~ 5850 3700
Wire Wire Line
	5800 4150 6300 4150
Wire Wire Line
	6300 4150 6300 2800
Wire Wire Line
	6300 2800 6950 2800
Wire Wire Line
	5800 4250 6450 4250
Wire Wire Line
	6450 4250 6450 3100
Wire Wire Line
	6450 3100 7350 3100
Connection ~ 7350 3100
Wire Wire Line
	5800 4350 6550 4350
Wire Wire Line
	6550 4350 6550 3750
Wire Wire Line
	6550 3750 7000 3750
Connection ~ 7000 3750
Wire Wire Line
	5800 4450 6700 4450
Wire Wire Line
	6700 4450 6700 4050
Wire Wire Line
	6700 4050 7400 4050
Connection ~ 7400 4050
Wire Wire Line
	3950 2200 6200 2200
$Comp
L Device:R_US R?
U 1 1 5F514E81
P 4850 3950
AR Path="/5ED6119E/5F514E81" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F514E81" Ref="R19"  Part="1" 
F 0 "R19" V 4645 3950 50  0000 C CNN
F 1 "1k" V 4736 3950 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 4890 3940 50  0001 C CNN
F 3 "~" H 4850 3950 50  0001 C CNN
	1    4850 3950
	-1   0    0    1   
$EndComp
Wire Wire Line
	4550 3650 4450 3650
Wire Wire Line
	4850 4250 5000 4250
Wire Wire Line
	4500 4750 5000 4750
$Comp
L Device:C C?
U 1 1 5F5156C5
P 4700 3650
AR Path="/5ED6119E/5F5156C5" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F5156C5" Ref="C15"  Part="1" 
F 0 "C15" H 4585 3604 50  0000 R CNN
F 1 "22p" H 4585 3695 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 4738 3500 50  0001 C CNN
F 3 "~" H 4700 3650 50  0001 C CNN
	1    4700 3650
	0    1    1    0   
$EndComp
$Comp
L 74xGxx:74AHC1G14 U3
U 1 1 5F5F97CE
P 4850 2900
F 0 "U3" V 4871 2770 50  0000 R CNN
F 1 "74AHC1G14" V 4780 2770 50  0000 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23-5" H 4850 2900 50  0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/sn74lvc1g14.pdf" H 4850 2900 50  0001 C CNN
	1    4850 2900
	0    -1   -1   0   
$EndComp
Connection ~ 4850 3650
Wire Wire Line
	4850 3650 4850 3800
Wire Wire Line
	4850 4100 4850 4250
Wire Wire Line
	4850 2400 4850 2650
Wire Wire Line
	4850 3200 4850 3650
Wire Wire Line
	3950 2400 4850 2400
$Comp
L power:+3.3V #PWR?
U 1 1 5F62056D
P 5200 2800
AR Path="/5ED6119E/5F62056D" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F62056D" Ref="#PWR0146"  Part="1" 
F 0 "#PWR0146" H 5200 2650 50  0001 C CNN
F 1 "+3.3V" H 5215 2973 50  0000 C CNN
F 2 "" H 5200 2800 50  0001 C CNN
F 3 "" H 5200 2800 50  0001 C CNN
	1    5200 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	4950 2900 5200 2900
Wire Wire Line
	5200 2900 5200 2800
Wire Wire Line
	5200 2900 5200 3450
Connection ~ 5200 2900
$Comp
L power:GND #PWR?
U 1 1 5F62E2BB
P 4450 3000
AR Path="/5ED6119E/5F62E2BB" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F62E2BB" Ref="#PWR0147"  Part="1" 
F 0 "#PWR0147" H 4450 2750 50  0001 C CNN
F 1 "GND" H 4455 2827 50  0000 C CNN
F 2 "" H 4450 3000 50  0001 C CNN
F 3 "" H 4450 3000 50  0001 C CNN
	1    4450 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	4750 2900 4450 2900
Wire Wire Line
	4450 2900 4450 3000
$Comp
L Device:R_US R?
U 1 1 5F636131
P 4500 5050
AR Path="/5ED6119E/5F636131" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F636131" Ref="R18"  Part="1" 
F 0 "R18" H 4432 5004 50  0000 R CNN
F 1 "2k" H 4432 5095 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 4540 5040 50  0001 C CNN
F 3 "~" H 4500 5050 50  0001 C CNN
	1    4500 5050
	-1   0    0    1   
$EndComp
Wire Wire Line
	4500 4900 4500 4750
$Comp
L power:+12V #PWR0148
U 1 1 5F65E321
P 9300 1950
F 0 "#PWR0148" H 9300 1800 50  0001 C CNN
F 1 "+12V" H 9315 2123 50  0000 C CNN
F 2 "" H 9300 1950 50  0001 C CNN
F 3 "" H 9300 1950 50  0001 C CNN
	1    9300 1950
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 5F6544AE
P 2350 2300
AR Path="/5ED6119E/5F6544AE" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F6544AE" Ref="C49"  Part="1" 
AR Path="/5F6544AE" Ref="C?"  Part="1" 
F 0 "C49" V 2098 2300 50  0000 C CNN
F 1 "10n" V 2189 2300 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 2388 2150 50  0001 C CNN
F 3 "~" H 2350 2300 50  0001 C CNN
	1    2350 2300
	0    1    1    0   
$EndComp
Wire Wire Line
	2650 2300 2550 2300
$Comp
L Device:R_US R?
U 1 1 5F6544B5
P 2100 2550
AR Path="/5ED6119E/5F6544B5" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F6544B5" Ref="R39"  Part="1" 
AR Path="/5F6544B5" Ref="R?"  Part="1" 
F 0 "R39" H 2168 2596 50  0000 L CNN
F 1 "10k" H 2168 2505 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 2140 2540 50  0001 C CNN
F 3 "~" H 2100 2550 50  0001 C CNN
	1    2100 2550
	1    0    0    -1  
$EndComp
Wire Wire Line
	2200 2300 2100 2300
Wire Wire Line
	2100 2300 2100 2400
Wire Wire Line
	2100 2700 2100 2800
Wire Wire Line
	2000 2300 2100 2300
Connection ~ 2100 2300
$Comp
L Device:C C?
U 1 1 5F6544C0
P 2100 3050
AR Path="/5ED6119E/5F6544C0" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F6544C0" Ref="C48"  Part="1" 
AR Path="/5F6544C0" Ref="C?"  Part="1" 
F 0 "C48" H 1985 3004 50  0000 R CNN
F 1 "3.3n" H 1985 3095 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 2138 2900 50  0001 C CNN
F 3 "~" H 2100 3050 50  0001 C CNN
	1    2100 3050
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F6544C6
P 2100 3200
AR Path="/5ED6119E/5F6544C6" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F6544C6" Ref="#PWR0149"  Part="1" 
AR Path="/5F6544C6" Ref="#PWR?"  Part="1" 
F 0 "#PWR0149" H 2100 2950 50  0001 C CNN
F 1 "GND" H 2105 3027 50  0000 C CNN
F 2 "" H 2100 3200 50  0001 C CNN
F 3 "" H 2100 3200 50  0001 C CNN
	1    2100 3200
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F6544CC
P 2450 2800
AR Path="/5ED6119E/5F6544CC" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F6544CC" Ref="R40"  Part="1" 
AR Path="/5F6544CC" Ref="R?"  Part="1" 
F 0 "R40" V 2245 2800 50  0000 C CNN
F 1 "10k" V 2336 2800 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 2490 2790 50  0001 C CNN
F 3 "~" H 2450 2800 50  0001 C CNN
	1    2450 2800
	0    1    1    0   
$EndComp
Wire Wire Line
	2300 2800 2100 2800
Connection ~ 2100 2800
Wire Wire Line
	2100 2800 2100 2900
Wire Wire Line
	8850 2850 9050 2850
$Comp
L power:GND #PWR?
U 1 1 5F6628E4
P 9050 2850
AR Path="/5ED6119E/5F6628E4" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F6628E4" Ref="#PWR0150"  Part="1" 
F 0 "#PWR0150" H 9050 2600 50  0001 C CNN
F 1 "GND" H 9055 2677 50  0000 C CNN
F 2 "" H 9050 2850 50  0001 C CNN
F 3 "" H 9050 2850 50  0001 C CNN
	1    9050 2850
	1    0    0    -1  
$EndComp
Connection ~ 9050 2850
Wire Wire Line
	9050 2850 9300 2850
$Comp
L power:GNDA #PWR?
U 1 1 5F51BE3B
P 4450 3650
AR Path="/5ED6119E/5F51BE3B" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F51BE3B" Ref="#PWR0151"  Part="1" 
F 0 "#PWR0151" H 4450 3400 50  0001 C CNN
F 1 "GNDA" H 4455 3477 50  0000 C CNN
F 2 "" H 4450 3650 50  0001 C CNN
F 3 "" H 4450 3650 50  0001 C CNN
	1    4450 3650
	0    1    1    0   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5F643F9F
P 4500 5200
AR Path="/5ED6119E/5F643F9F" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F643F9F" Ref="#PWR0152"  Part="1" 
F 0 "#PWR0152" H 4500 4950 50  0001 C CNN
F 1 "GNDA" H 4505 5027 50  0000 C CNN
F 2 "" H 4500 5200 50  0001 C CNN
F 3 "" H 4500 5200 50  0001 C CNN
	1    4500 5200
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 5850 6700 5850
Wire Wire Line
	6450 5850 6600 5850
Connection ~ 6600 5850
$Comp
L power:GNDA #PWR?
U 1 1 5F327544
P 6600 5850
AR Path="/5ED6119E/5F327544" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F327544" Ref="#PWR0153"  Part="1" 
F 0 "#PWR0153" H 6600 5600 50  0001 C CNN
F 1 "GNDA" H 6605 5677 50  0000 C CNN
F 2 "" H 6600 5850 50  0001 C CNN
F 3 "" H 6600 5850 50  0001 C CNN
	1    6600 5850
	1    0    0    -1  
$EndComp
Wire Wire Line
	8900 5450 9000 5450
Wire Wire Line
	8750 5450 8900 5450
Connection ~ 8900 5450
$Comp
L power:GNDA #PWR?
U 1 1 5F32754C
P 8900 5450
AR Path="/5ED6119E/5F32754C" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F32754C" Ref="#PWR0154"  Part="1" 
F 0 "#PWR0154" H 8900 5200 50  0001 C CNN
F 1 "GNDA" H 8905 5277 50  0000 C CNN
F 2 "" H 8900 5450 50  0001 C CNN
F 3 "" H 8900 5450 50  0001 C CNN
	1    8900 5450
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5F327576
P 9250 1250
AR Path="/5ED6119E/5F327576" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F327576" Ref="#PWR0155"  Part="1" 
F 0 "#PWR0155" H 9250 1000 50  0001 C CNN
F 1 "GNDA" H 9255 1077 50  0000 C CNN
F 2 "" H 9250 1250 50  0001 C CNN
F 3 "" H 9250 1250 50  0001 C CNN
	1    9250 1250
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F327570
P 9250 1550
AR Path="/5ED6119E/5F327570" Ref="#PWR?"  Part="1" 
AR Path="/5F5D026F/5F327570" Ref="#PWR0156"  Part="1" 
F 0 "#PWR0156" H 9250 1300 50  0001 C CNN
F 1 "GND" H 9255 1377 50  0000 C CNN
F 2 "" H 9250 1550 50  0001 C CNN
F 3 "" H 9250 1550 50  0001 C CNN
	1    9250 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	9250 1250 9250 1550
Text Notes 9300 1450 0    50   ~ 0
Since the Black Pill doesn't have \nseperate analog ground and power,\nwe're merging the two ground planes.
Wire Wire Line
	8450 3000 8450 3200
Wire Wire Line
	8500 3950 8500 4150
Text HLabel 8600 3950 2    50   Input ~ 0
TX_Q
Wire Wire Line
	8600 3950 8500 3950
Text HLabel 8600 3000 2    50   Input ~ 0
TX_I
Wire Wire Line
	8600 3000 8450 3000
Text HLabel 10600 4600 2    50   Output ~ 0
RX_I
Text HLabel 8300 5100 2    50   Output ~ 0
RX_Q
Text HLabel 2600 2800 2    50   Input ~ 0
TX_BIAS
Text HLabel 2450 1850 0    50   Output ~ 0
CLK_MEASURE
Wire Wire Line
	2450 1850 2550 1850
Wire Wire Line
	2550 1850 2550 2300
Connection ~ 2550 2300
Wire Wire Line
	2550 2300 2500 2300
Text Label 5900 2200 0    50   ~ 0
CLK2
Text HLabel 8200 2200 2    50   3State ~ 0
SCL
Wire Wire Line
	8200 2200 7850 2200
Connection ~ 7850 2200
Text HLabel 8200 2300 2    50   3State ~ 0
SDA
Wire Wire Line
	8200 2300 8100 2300
Connection ~ 8100 2300
$Comp
L Connector:Conn_01x07_Female J2
U 1 1 5F4EA304
P 2800 4800
F 0 "J2" H 2828 4826 50  0000 L CNN
F 1 "Conn_01x07_Female" H 2828 4735 50  0000 L CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x07_Pitch2.54mm" H 2800 4800 50  0001 C CNN
F 3 "~" H 2800 4800 50  0001 C CNN
	1    2800 4800
	1    0    0    -1  
$EndComp
Text Notes 2050 4400 0    50   ~ 0
Header for Si5351 breakout
Text Label 2600 4500 2    50   ~ 0
CLK0
Text Label 2600 4600 2    50   ~ 0
CLK1
Text Label 2600 4700 2    50   ~ 0
CLK2
$Comp
L power:+3.3V #PWR0103
U 1 1 5F4ECFB4
P 2600 5100
F 0 "#PWR0103" H 2600 4950 50  0001 C CNN
F 1 "+3.3V" V 2615 5228 50  0000 L CNN
F 2 "" H 2600 5100 50  0001 C CNN
F 3 "" H 2600 5100 50  0001 C CNN
	1    2600 5100
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0157
U 1 1 5F50CBB2
P 2600 5000
F 0 "#PWR0157" H 2600 4750 50  0001 C CNN
F 1 "GND" V 2605 4872 50  0000 R CNN
F 2 "" H 2600 5000 50  0001 C CNN
F 3 "" H 2600 5000 50  0001 C CNN
	1    2600 5000
	0    1    1    0   
$EndComp
Text HLabel 2600 4800 0    50   3State ~ 0
SCL
Text HLabel 2600 4900 0    50   3State ~ 0
SDA
$Comp
L power:+12VA #PWR0164
U 1 1 5F4CF3E2
P 8850 2250
F 0 "#PWR0164" H 8850 2100 50  0001 C CNN
F 1 "+12VA" H 8865 2423 50  0000 C CNN
F 2 "" H 8850 2250 50  0001 C CNN
F 3 "" H 8850 2250 50  0001 C CNN
	1    8850 2250
	1    0    0    -1  
$EndComp
Connection ~ 8850 2250
Wire Wire Line
	6450 5000 6800 5000
Wire Wire Line
	9000 4950 9100 4950
$Comp
L Device:R_US R?
U 1 1 5F581E67
P 6950 5000
AR Path="/5ED6119E/5F581E67" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F581E67" Ref="R20"  Part="1" 
F 0 "R20" V 6745 5000 50  0000 C CNN
F 1 "1k" V 6836 5000 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 6990 4990 50  0001 C CNN
F 3 "~" H 6950 5000 50  0001 C CNN
	1    6950 5000
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F5823DE
P 9250 4950
AR Path="/5ED6119E/5F5823DE" Ref="R?"  Part="1" 
AR Path="/5F5D026F/5F5823DE" Ref="R37"  Part="1" 
F 0 "R37" V 9045 4950 50  0000 C CNN
F 1 "1k" V 9136 4950 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 9290 4940 50  0001 C CNN
F 3 "~" H 9250 4950 50  0001 C CNN
	1    9250 4950
	0    1    1    0   
$EndComp
Wire Wire Line
	7350 5200 7350 5300
$Comp
L Device:C C?
U 1 1 5F5A169C
P 7200 5150
AR Path="/5ED6119E/5F5A169C" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F5A169C" Ref="C52"  Part="1" 
F 0 "C52" H 7085 5104 50  0000 R CNN
F 1 "33n" H 7085 5195 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 7238 5000 50  0001 C CNN
F 3 "~" H 7200 5150 50  0001 C CNN
	1    7200 5150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	7100 5000 7200 5000
Connection ~ 7200 5000
Wire Wire Line
	7200 5000 7500 5000
Wire Wire Line
	7100 5300 7200 5300
Connection ~ 7350 5300
Wire Wire Line
	7350 5300 7350 5550
Connection ~ 7200 5300
Wire Wire Line
	7200 5300 7350 5300
$Comp
L Device:C C?
U 1 1 5F5BE254
P 9500 4800
AR Path="/5ED6119E/5F5BE254" Ref="C?"  Part="1" 
AR Path="/5F5D026F/5F5BE254" Ref="C53"  Part="1" 
F 0 "C53" H 9385 4754 50  0000 R CNN
F 1 "33n" H 9385 4845 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 9538 4650 50  0001 C CNN
F 3 "~" H 9500 4800 50  0001 C CNN
	1    9500 4800
	-1   0    0    -1  
$EndComp
Wire Wire Line
	9400 4650 9500 4650
Connection ~ 9500 4650
Wire Wire Line
	9500 4650 9700 4650
Wire Wire Line
	9650 4850 9650 4950
Wire Wire Line
	9650 4950 9500 4950
Connection ~ 9500 4950
Wire Wire Line
	9500 4950 9400 4950
$EndSCHEMATC