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EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:special
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
EELAYER 27 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 Label 10690 5350 0 70 ~
0.1uF
Text Notes 11980 4510 0 60 ~ 12
U3
Text Notes 11790 5790 0 60 ~ 12
MC74HC1G14DTT1G
Text Label 3490 6420 0 70 ~
0.1uF
Text Label 4500 5350 0 70 ~
470
Text Label 5190 5110 0 70 ~
1k
Text Label 7700 5690 0 70 ~
0.1uF
Text Label 8470 5150 0 70 ~
10k
Text Label 8890 4490 0 70 ~
1k
$Comp
L VCCO_3V3 #PWR?580240AA
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 GND #PWR?580240A9
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 VCCO_3V3 #PWR?580240A8
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 15V_STABLE #PWR?580240A7
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 70 ~
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 9650 5000 0 70 ~
AMPLIFIED
Connection ~ 8800 5000
Connection ~ 8800 5000
Connection ~ 8800 4700
Connection ~ 9300 5000
Wire Wire Line
13400 4800 12900 4800
Text Label 13400 4800 0 70 ~
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 70 ~
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 70 ~
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 6000 5400 0 70 ~
RAW_NOISE
Connection ~ 5050 5400
Connection ~ 5350 5400
Wire Wire Line
7700 5400 6750 5400
Text Label 6750 5400 0 70 ~
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 GND #PWR?580240A6
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 GND #PWR?580240A5
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 GND #PWR?580240A4
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 C-EUC0603 C16
U 1 1 580240A3
P 11100 5300
F 0 "C16" H 11500 5260 60 0000 R TNN
F 1 "" V 10930 5450 60 0000 R TNN
F 2 "" H 10930 5450 60 0000 C CNN
F 3 "" H 10930 5450 60 0000 C CNN
1 11100 5300
-1 0 0 1
$EndComp
$Comp
L 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 "" H 3600 5450 60 0000 C CNN
F 3 "" H 3600 5450 60 0000 C CNN
1 3600 5050
1 0 0 -1
$EndComp
$Comp
L 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 "" H 4420 5780 60 0000 C CNN
F 3 "" H 4420 5780 60 0000 C CNN
1 4350 6000
-1 0 0 1
$EndComp
$Comp
L 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 "" H 5620 6150 60 0000 C CNN
F 3 "" H 5620 6150 60 0000 C CNN
1 4950 6000
1 0 0 -1
$EndComp
$Comp
L 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 "" H 9370 5550 60 0000 C CNN
F 3 "" H 9370 5550 60 0000 C CNN
1 8700 5400
1 0 0 -1
$EndComp
$Comp
L 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
$EndComp
$Comp
L 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
$EndComp
$Comp
L MC74HC1G14DTT1G IC34
U 1 1 5802409C
P 12200 5000
1 12200 5000
1 0 0 -1
$EndComp
$Comp
L C-EUC0603 C14
U 1 1 5802409B
P 3950 6400
F 0 "C14" H 4400 6300 60 0000 R TNN
F 1 "" H 4400 6400 60 0000 R TNN
F 2 "" H 4400 6400 60 0000 C CNN
F 3 "" H 4400 6400 60 0000 C CNN
1 3950 6400
-1 0 0 1
$EndComp
$Comp
L R-EU_R0402 R10
U 1 1 5802409A
P 4650 5400
F 0 "R10" H 4797 5270 60 0000 R TNN
F 1 "" H 4900 5600 60 0000 R TNN
F 2 "" H 4900 5600 60 0000 C CNN
F 3 "" H 4900 5600 60 0000 C CNN
1 4650 5400
-1 0 0 1
$EndComp
$Comp
L R-EU_R0402 R11
U 1 1 58024099
P 5050 5100
F 0 "R11" V 4950 5250 60 0000 L BNN
F 1 "" V 5050 5250 60 0000 L BNN
F 2 "" H 5050 5250 60 0000 C CNN
F 3 "" H 5050 5250 60 0000 C CNN
1 5050 5100
0 1 1 0
$EndComp
$Comp
L C-EUC0603 C15
U 1 1 58024098
P 7800 5400
F 0 "C15" V 7600 5500 60 0000 R TNN
F 1 "" V 7500 5500 60 0000 R TNN
F 2 "" H 7500 5500 60 0000 C CNN
F 3 "" H 7500 5500 60 0000 C CNN
1 7800 5400
0 -1 -1 0
$EndComp
$Comp
L R-EU_R0402 R12
U 1 1 58024097
P 8500 5000
F 0 "R12" H 8270 4850 60 0000 L BNN
F 1 "" H 8200 4800 60 0000 L BNN
F 2 "" H 8200 4800 60 0000 C CNN
F 3 "" H 8200 4800 60 0000 C CNN
1 8500 5000
1 0 0 -1
$EndComp
$Comp
L R-EU_R0402 R13
U 1 1 58024096
P 8800 4400
F 0 "R13" V 8800 4300 60 0000 R TNN
F 1 "" V 8700 4300 60 0000 R TNN
F 2 "" H 8700 4300 60 0000 C CNN
F 3 "" H 8700 4300 60 0000 C CNN
1 8800 4400
0 -1 -1 0
$EndComp
$Comp
L 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 "" H 8270 4530 60 0000 C CNN
F 3 "" H 8270 4530 60 0000 C CNN
1 8500 4700
1 0 0 -1
$EndComp
$EndSCHEMATC
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