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+EESchema Schematic File Version 4
+EELAYER 26 0
+EELAYER END
+$Descr B 17000 11000
+encoding utf-8
+Sheet 4 27
+Title "rev02_02"
+Date "15 10 2016"
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+Text Notes 11600 3700 0 126 ~ 12
+Digitizer
+Text Notes 3200 3700 0 126 ~ 12
+Noise generator
+Text Notes 4200 6410 0 60 ~ 12
+Noisy diode
+Text Notes 6800 3700 0 126 ~ 12
+Amplifier
+Text Notes 3200 7600 0 60 ~ 12
+AGND is connected to GND on the board using polygons\n(found no other good way) - not visible in schematics.
+Text Notes 9400 7650 0 60 ~ 12
+This whole sheets circuitry should be as shielded as possible.\nSolid isolated ground plane and internal planes connected\nto the rest of the board at a single point is expected.
+Text Notes 13690 10220 0 84 ~ 12
+Noise source
+Text Notes 11980 4510 0 60 ~ 12
+U3
+Text Notes 11790 5790 0 60 ~ 12
+MC74HC1G14DTT1G
+$Comp
+L Cryptech_Alpha:VCCO_3V3 VCCO_3V3
+U 1 1 580240AA
+P 11400 4100
+F 0 "VCCO_3V3" H 11400 4100 20 0000 C CNN
+F 1 "+VCCO_3V3" H 11400 4030 30 0000 C CNN
+F 2 "" H 11400 4100 70 0000 C CNN
+F 3 "" H 11400 4100 70 0000 C CNN
+ 1 11400 4100
+ 1 0 0 -1
+$EndComp
+$Comp
+L power:GND GND_21
+U 1 1 580240A9
+P 5050 6550
+F 0 "GND_21" H 5050 6550 20 0000 C CNN
+F 1 "+GND" H 5050 6480 30 0000 C CNN
+F 2 "" H 5050 6550 70 0000 C CNN
+F 3 "" H 5050 6550 70 0000 C CNN
+ 1 5050 6550
+ 1 0 0 -1
+$EndComp
+$Comp
+L Cryptech_Alpha:VCCO_3V3 VCCO_3V3_2
+U 1 1 580240A8
+P 8800 4100
+F 0 "VCCO_3V3_2" H 8800 4100 20 0000 C CNN
+F 1 "+VCCO_3V3" H 8800 4030 30 0000 C CNN
+F 2 "" H 8800 4100 70 0000 C CNN
+F 3 "" H 8800 4100 70 0000 C CNN
+ 1 8800 4100
+ 1 0 0 -1
+$EndComp
+$Comp
+L Cryptech_Alpha:15V_STABLE 15V_STABLE_2
+U 1 1 580240A7
+P 5050 4350
+F 0 "15V_STABLE_2" H 5050 4350 20 0000 C CNN
+F 1 "+15V_STABLE" H 5050 4280 30 0000 C CNN
+F 2 "" H 5050 4350 70 0000 C CNN
+F 3 "" H 5050 4350 70 0000 C CNN
+ 1 5050 4350
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 11500 4800 11400 4800
+Wire Wire Line
+ 11400 4100 11400 4800
+Wire Wire Line
+ 11100 4800 11100 5100
+Wire Wire Line
+ 11400 4800 11100 4800
+Connection ~ 11400 4800
+Wire Wire Line
+ 8800 4100 8800 4200
+Wire Wire Line
+ 11500 5000 10300 5000
+Text Label 10300 5000 0 48 ~
+AMPLIFIED
+Wire Wire Line
+ 10050 5000 9300 5000
+Wire Wire Line
+ 8800 4600 8800 4700
+Wire Wire Line
+ 8800 4700 8800 5000
+Wire Wire Line
+ 8800 5000 8800 5200
+Wire Wire Line
+ 9300 5000 8800 5000
+Wire Wire Line
+ 8800 5000 8700 5000
+Wire Wire Line
+ 8800 4700 8600 4700
+Wire Wire Line
+ 9300 4900 9300 5000
+Text Label 10050 5000 2 48 ~ 0
+AMPLIFIED
+Connection ~ 8800 5000
+Connection ~ 8800 5000
+Connection ~ 8800 4700
+Connection ~ 9300 5000
+Wire Wire Line
+ 13400 4800 12900 4800
+Text GLabel 13400 4800 2 48 Output ~ 0
+DIGITIZED_NOISE
+Wire Wire Line
+ 11500 5400 11400 5400
+Wire Wire Line
+ 11400 5400 11400 5800
+Wire Wire Line
+ 11400 5800 11400 5900
+Wire Wire Line
+ 11100 5400 11100 5800
+Wire Wire Line
+ 11400 5800 11100 5800
+Connection ~ 11400 5800
+Wire Wire Line
+ 8800 5600 8800 5700
+Wire Wire Line
+ 4850 6000 4450 6000
+Text Label 4500 6000 0 48 ~
+NOISE_OUT
+Wire Wire Line
+ 3950 5400 3950 6200
+Wire Wire Line
+ 4250 5400 3950 5400
+Wire Wire Line
+ 4450 5400 4250 5400
+Wire Wire Line
+ 4250 5400 4250 5800
+Connection ~ 4250 5400
+Text Label 3950 5400 0 48 ~
+NOISE_IN
+Wire Wire Line
+ 5050 5400 4850 5400
+Wire Wire Line
+ 5050 5400 5050 5800
+Wire Wire Line
+ 5050 5300 5050 5400
+Wire Wire Line
+ 5350 5400 5050 5400
+Wire Wire Line
+ 6400 5400 5350 5400
+Wire Wire Line
+ 5350 5300 5350 5400
+Text Label 6400 5400 2 48 ~ 0
+RAW_NOISE
+Connection ~ 5050 5400
+Connection ~ 5350 5400
+Wire Wire Line
+ 7700 5400 6750 5400
+Text Label 6750 5400 0 48 ~
+RAW_NOISE
+Wire Wire Line
+ 8400 4700 8100 4700
+Wire Wire Line
+ 8100 5400 8000 5400
+Wire Wire Line
+ 8100 5000 8100 5400
+Wire Wire Line
+ 8300 5000 8100 5000
+Wire Wire Line
+ 8600 5400 8100 5400
+Wire Wire Line
+ 8100 4700 8100 5000
+Connection ~ 8100 5400
+Connection ~ 8100 5000
+Wire Wire Line
+ 5050 6200 5050 6550
+Wire Wire Line
+ 3950 6500 3950 6550
+Wire Wire Line
+ 5050 6550 3950 6550
+Connection ~ 5050 6550
+Wire Wire Line
+ 5050 4350 5050 4900
+Wire Wire Line
+ 3150 4950 3200 4950
+Wire Wire Line
+ 3150 5750 3150 4950
+$Comp
+L power:GND GND_22
+U 1 1 580240A6
+P 3150 5750
+F 0 "GND_22" H 3150 5750 20 0000 C CNN
+F 1 "+GND" H 3150 5680 30 0000 C CNN
+F 2 "" H 3150 5750 70 0000 C CNN
+F 3 "" H 3150 5750 70 0000 C CNN
+ 1 3150 5750
+ 1 0 0 -1
+$EndComp
+$Comp
+L power:GND GND_23
+U 1 1 580240A5
+P 8800 5700
+F 0 "GND_23" H 8800 5700 20 0000 C CNN
+F 1 "+GND" H 8800 5630 30 0000 C CNN
+F 2 "" H 8800 5700 70 0000 C CNN
+F 3 "" H 8800 5700 70 0000 C CNN
+ 1 8800 5700
+ 1 0 0 -1
+$EndComp
+$Comp
+L power:GND GND_24
+U 1 1 580240A4
+P 11400 5900
+F 0 "GND_24" H 11400 5900 20 0000 C CNN
+F 1 "+GND" H 11400 5830 30 0000 C CNN
+F 2 "" H 11400 5900 70 0000 C CNN
+F 3 "" H 11400 5900 70 0000 C CNN
+ 1 11400 5900
+ 1 0 0 -1
+$EndComp
+$Comp
+L Cryptech_Alpha:C-EUC0603 C16
+U 1 1 580240A3
+P 11100 5300
+F 0 "C16" H 11500 5260 60 0000 R TNN
+F 1 "0.1uF" H 11510 5350 60 0000 R TNN
+F 2 "Cryptech_Alpha_Footprints:C_0402" H 11510 5350 60 0001 C CNN
+F 3 "" H 11510 5350 60 0000 C CNN
+ 1 11100 5300
+ -1 0 0 1
+$EndComp
+$Comp
+L Cryptech_Alpha:WE-SHC S1
+U 1 1 580240A2
+P 3600 5050
+F 0 "S1" H 3300 5500 60 0000 L BNN
+F 1 "SHIELDING CABINET" H 3600 5450 60 0000 L BNN
+F 2 "Cryptech_Alpha_Footprints:WE-SHC_36103205_NO_CREAM" H 3600 5450 60 0001 C CNN
+F 3 "" H 3600 5450 60 0000 C CNN
+ 1 3600 5050
+ 1 0 0 -1
+$EndComp
+$Comp
+L Cryptech_Alpha:BC818*SMD Q2
+U 1 1 580240A1
+P 4350 6000
+F 0 "Q2" H 4420 5680 60 0000 R TNN
+F 1 "BC818-40LT1G" H 4420 5780 60 0000 R TNN
+F 2 "Cryptech_Alpha_Footprints:SOT-23" H 4420 5780 60 0001 C CNN
+F 3 "" H 4420 5780 60 0000 C CNN
+ 1 4350 6000
+ -1 0 0 1
+$EndComp
+$Comp
+L Cryptech_Alpha:BC818*SMD T1
+U 1 1 580240A0
+P 4950 6000
+F 0 "T1" H 5200 6250 60 0000 R TNN
+F 1 "BC847BLT3G" H 5620 6150 60 0000 R TNN
+F 2 "Cryptech_Alpha_Footprints:SOT-23" H 5620 6150 60 0001 C CNN
+F 3 "" H 5620 6150 60 0000 C CNN
+ 1 4950 6000
+ 1 0 0 -1
+$EndComp
+$Comp
+L Cryptech_Alpha:BC818*SMD T2
+U 1 1 5802409F
+P 8700 5400
+F 0 "T2" H 8950 5650 60 0000 R TNN
+F 1 "BC847BLT3G" H 9370 5550 60 0000 R TNN
+F 2 "Cryptech_Alpha_Footprints:SOT-23" H 9370 5550 60 0001 C CNN
+F 3 "" H 9370 5550 60 0000 C CNN
+ 1 8700 5400
+ 1 0 0 -1
+$EndComp
+$Comp
+L Cryptech_Alpha:TPB1,27 TP1
+U 1 1 5802409E
+P 5350 5200
+F 0 "TP1" H 5250 4900 60 0000 L BNN
+ 1 5350 5200
+ 1 0 0 -1
+F 2 "Cryptech_Alpha_Footprints:B1,27" H 5250 4900 60 0001 C CNN
+$EndComp
+$Comp
+L Cryptech_Alpha:TPB1,27 TP2
+U 1 1 5802409D
+P 9300 4800
+F 0 "TP2" H 9200 4500 60 0000 L BNN
+ 1 9300 4800
+ 1 0 0 -1
+F 2 "Cryptech_Alpha_Footprints:B1,27" H 9200 4500 60 0001 C CNN
+$EndComp
+$Comp
+L Cryptech_Alpha:MC74HC1G14DTT1G U3
+U 1 1 5802409C
+P 12200 5000
+F 0 "U3" H 11670 4270 60 0000 L BNN
+ 1 12200 5000
+ 1 0 0 -1
+F 2 "Cryptech_Alpha_Footprints:SOT-23-5" H 11670 4270 60 0001 C CNN
+$EndComp
+$Comp
+L Cryptech_Alpha:C-EUC0603 C14
+U 1 1 5802409B
+P 3950 6400
+F 0 "C14" H 4400 6300 60 0000 R TNN
+F 1 "0.1uF" H 4410 6420 60 0000 R TNN
+F 2 "Cryptech_Alpha_Footprints:C_0402" H 4410 6420 60 0001 C CNN
+F 3 "" H 4410 6420 60 0000 C CNN
+ 1 3950 6400
+ -1 0 0 1
+$EndComp
+$Comp
+L Cryptech_Alpha:R-EU_R0402 R10
+U 1 1 5802409A
+P 4650 5400
+F 0 "R10" H 4797 5270 60 0000 R TNN
+F 1 "470" H 4800 5350 60 0000 R TNN
+F 2 "Cryptech_Alpha_Footprints:R_0402" H 4800 5350 60 0001 C CNN
+F 3 "" H 4800 5350 60 0000 C CNN
+ 1 4650 5400
+ -1 0 0 1
+$EndComp
+$Comp
+L Cryptech_Alpha:R-EU_R0402 R11
+U 1 1 58024099
+P 5050 5100
+F 0 "R11" V 4950 5250 60 0000 L BNN
+F 1 "1k" V 5060 5240 60 0000 L BNN
+F 2 "Cryptech_Alpha_Footprints:R_0402" H 5060 5240 60 0001 C CNN
+F 3 "" H 5060 5240 60 0000 C CNN
+ 1 5050 5100
+ 0 1 1 0
+$EndComp
+$Comp
+L Cryptech_Alpha:C-EUC0603 C15
+U 1 1 58024098
+P 7800 5400
+F 0 "C15" V 7600 5500 60 0000 R TNN
+F 1 "0.1uF" V 7510 5500 60 0000 R TNN
+F 2 "Cryptech_Alpha_Footprints:C_0402" H 7510 5500 60 0001 C CNN
+F 3 "" H 7510 5500 60 0000 C CNN
+ 1 7800 5400
+ 0 -1 -1 0
+$EndComp
+$Comp
+L Cryptech_Alpha:R-EU_R0402 R12
+U 1 1 58024097
+P 8500 5000
+F 0 "R12" H 8270 4850 60 0000 L BNN
+F 1 "10k" H 8470 4850 60 0000 L BNN
+F 2 "Cryptech_Alpha_Footprints:R_0402" H 8470 4850 60 0001 C CNN
+F 3 "" H 8470 4850 60 0000 C CNN
+ 1 8500 5000
+ 1 0 0 -1
+$EndComp
+$Comp
+L Cryptech_Alpha:R-EU_R0402 R13
+U 1 1 58024096
+P 8800 4400
+F 0 "R13" V 8800 4300 60 0000 R TNN
+F 1 "1k" V 8710 4310 60 0000 R TNN
+F 2 "Cryptech_Alpha_Footprints:R_0402" H 8710 4310 60 0001 C CNN
+F 3 "" H 8710 4310 60 0000 C CNN
+ 1 8800 4400
+ 0 -1 -1 0
+$EndComp
+$Comp
+L Cryptech_Alpha:BAT54 D1
+U 1 1 58024095
+P 8500 4700
+F 0 "D1" H 8410 4775 60 0000 L BNN
+F 1 "BAT54LT1G" H 8270 4530 60 0000 L BNN
+F 2 "Cryptech_Alpha_Footprints:SOT-23" H 8270 4530 60 0001 C CNN
+F 3 "" H 8270 4530 60 0000 C CNN
+ 1 8500 4700
+ 1 0 0 -1
+$EndComp
+NoConn ~ 11500 5200
+NoConn ~ 4250 6200
+$EndSCHEMATC \ No newline at end of file