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767 lines
17 KiB
767 lines
17 KiB
EESchema Schematic File Version 2
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LIBS:power
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LIBS:device
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LIBS:transistors
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LIBS:conn
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LIBS:linear
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LIBS:regul
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LIBS:74xx
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LIBS:cmos4000
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LIBS:adc-dac
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LIBS:memory
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LIBS:xilinx
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LIBS:microcontrollers
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LIBS:dsp
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LIBS:microchip
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LIBS:analog_switches
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LIBS:motorola
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LIBS:texas
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LIBS:intel
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LIBS:audio
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LIBS:interface
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LIBS:digital-audio
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LIBS:philips
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LIBS:display
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LIBS:cypress
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LIBS:siliconi
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LIBS:opto
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LIBS:atmel
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LIBS:contrib
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LIBS:valves
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LIBS:ad8616
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LIBS:icl7660
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LIBS:ada4530-1
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LIBS:ada4522-2
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LIBS:ltc6268
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LIBS:analog_board_v0.22-cache
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EELAYER 25 0
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EELAYER END
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$Descr A4 11693 8268
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encoding utf-8
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Sheet 2 4
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Title "Sensitive Measurement Part of Analog Board"
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Date "2017-07-05"
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Rev "v0.22"
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Comp "UppSense Heart Failure Diagnostics"
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Comment1 "This is another alternative implementation for the analog board version v0.2. "
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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Place decoupling capacitors close to component!
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3.3V
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The second stage amplification will be directly connected to the ADC on the\ndigital board via the backplane.
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Wire Wire Line
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3100 2275 4150 2275
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Wire Wire Line
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1825 2275 2800 2275
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Wire Wire Line
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3375 1025 3375 1125
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Wire Wire Line
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2875 1075 3375 1075
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Wire Wire Line
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2875 1075 2875 1025
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Wire Wire Line
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3125 1025 3125 1075
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Connection ~ 3125 1075
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Connection ~ 3375 1075
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Wire Wire Line
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3375 650 3375 725
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Wire Wire Line
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2875 725 2875 650
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Wire Wire Line
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3125 650 3125 725
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Connection ~ 3125 650
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Wire Wire Line
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6625 3825 6775 3825
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Wire Wire Line
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7075 3825 7225 3825
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Wire Wire Line
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6700 3825 6700 4025
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Wire Wire Line
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6700 4025 7225 4025
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Connection ~ 6700 3825
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Wire Wire Line
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6325 3825 6150 3825
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Wire Wire Line
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6150 3825 6150 3850
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Wire Wire Line
|
|
9225 3825 9375 3825
|
|
Wire Wire Line
|
|
8775 3825 8925 3825
|
|
Wire Wire Line
|
|
9300 3825 9300 4025
|
|
Wire Wire Line
|
|
9300 4025 8775 4025
|
|
Connection ~ 9300 3825
|
|
Wire Wire Line
|
|
9675 3825 9850 3825
|
|
Wire Wire Line
|
|
9850 3825 9850 3850
|
|
Connection ~ 3375 650
|
|
Wire Wire Line
|
|
10050 4225 8775 4225
|
|
Wire Wire Line
|
|
10050 2850 10050 4225
|
|
Connection ~ 5825 4225
|
|
Wire Wire Line
|
|
7375 5100 7375 5200
|
|
Wire Wire Line
|
|
7375 5150 7875 5150
|
|
Wire Wire Line
|
|
7875 5150 7875 5100
|
|
Wire Wire Line
|
|
7625 5100 7625 5150
|
|
Connection ~ 7625 5150
|
|
Connection ~ 7375 5150
|
|
Wire Wire Line
|
|
7125 4725 8025 4725
|
|
Connection ~ 7875 4725
|
|
Wire Wire Line
|
|
7625 4800 7625 4725
|
|
Connection ~ 7625 4725
|
|
Wire Wire Line
|
|
10050 2850 5825 2850
|
|
Wire Wire Line
|
|
7375 4725 7375 4800
|
|
Connection ~ 7375 4725
|
|
Wire Wire Line
|
|
7375 3375 7375 3475
|
|
Wire Wire Line
|
|
7375 3425 7875 3425
|
|
Wire Wire Line
|
|
7875 3425 7875 3375
|
|
Wire Wire Line
|
|
7625 3375 7625 3425
|
|
Connection ~ 7625 3425
|
|
Connection ~ 7375 3425
|
|
Connection ~ 7875 3000
|
|
Wire Wire Line
|
|
7625 3000 7625 3075
|
|
Connection ~ 7625 3000
|
|
Wire Wire Line
|
|
7375 3000 7375 3075
|
|
Connection ~ 7375 3000
|
|
Wire Wire Line
|
|
7875 3000 7875 3075
|
|
Wire Wire Line
|
|
7150 2200 7150 3825
|
|
Connection ~ 7150 3825
|
|
Wire Wire Line
|
|
8850 2200 8850 3825
|
|
Connection ~ 8850 3825
|
|
Connection ~ 5825 2850
|
|
Wire Wire Line
|
|
6300 2575 6300 2625
|
|
Wire Wire Line
|
|
6200 2200 6300 2200
|
|
Wire Wire Line
|
|
6300 1850 6300 2275
|
|
Wire Wire Line
|
|
5900 2200 5825 2200
|
|
Connection ~ 6300 2200
|
|
Wire Wire Line
|
|
5825 2200 5825 4225
|
|
Wire Wire Line
|
|
7625 2575 7625 2625
|
|
Wire Wire Line
|
|
7525 2200 7625 2200
|
|
Wire Wire Line
|
|
7625 1850 7625 2275
|
|
Connection ~ 7625 2200
|
|
Wire Wire Line
|
|
7225 2200 7150 2200
|
|
Wire Wire Line
|
|
9325 2575 9325 2625
|
|
Wire Wire Line
|
|
9225 2200 9325 2200
|
|
Wire Wire Line
|
|
9325 1850 9325 2275
|
|
Connection ~ 9325 2200
|
|
Wire Wire Line
|
|
8925 2200 8850 2200
|
|
Wire Wire Line
|
|
7100 3000 8025 3000
|
|
Wire Wire Line
|
|
8025 3000 8025 3575
|
|
Wire Wire Line
|
|
7875 4725 7875 4800
|
|
Wire Wire Line
|
|
8025 4725 8025 4675
|
|
Text Notes 5825 800 0 60 ~ 0
|
|
RC filters have a cut-off frequency of approx. 663 Hz.
|
|
$Comp
|
|
L CONN_01X01 J4
|
|
U 1 1 595A39BE
|
|
P 3500 3200
|
|
F 0 "J4" H 3500 3300 50 0000 C CNN
|
|
F 1 "CONN_01X01" V 3600 3200 50 0000 C CNN
|
|
F 2 "Guard Connector:GuardConnector" H 3500 3200 50 0001 C CNN
|
|
F 3 "" H 3500 3200 50 0001 C CNN
|
|
1 3500 3200
|
|
-1 0 0 1
|
|
$EndComp
|
|
$Comp
|
|
L LTC6268 U1
|
|
U 1 1 595E1925
|
|
P 2950 3925
|
|
F 0 "U1" H 2450 3075 50 0000 L CNN
|
|
F 1 "LTC6268IS8#PBF" H 3150 3075 50 0000 L CNN
|
|
F 2 "WithoutSilkscreen:SOIC-8-N-W-Silks" H 3103 3800 50 0001 C CNN
|
|
F 3 "http://www.farnell.com/datasheets/1865072.pdf" H 3053 3900 50 0001 C CNN
|
|
F 4 "2464182" H 2950 3925 60 0001 C CNN "Farnell"
|
|
1 2950 3925
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
1825 3975 2350 3975
|
|
Wire Wire Line
|
|
2350 4225 2200 4225
|
|
Wire Wire Line
|
|
2200 4225 2200 4625
|
|
NoConn ~ 3550 3725
|
|
$Comp
|
|
L GND #PWR014
|
|
U 1 1 595E48C2
|
|
P 3700 3200
|
|
F 0 "#PWR014" H 3700 2950 50 0001 C CNN
|
|
F 1 "GND" H 3700 3050 50 0000 C CNN
|
|
F 2 "" H 3700 3200 50 0000 C CNN
|
|
F 3 "" H 3700 3200 50 0000 C CNN
|
|
1 3700 3200
|
|
-1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L C C1
|
|
U 1 1 595E790D
|
|
P 2875 1775
|
|
F 0 "C1" H 2900 1875 50 0000 L CNN
|
|
F 1 "1u" H 2900 1675 50 0000 L CNN
|
|
F 2 "Resistors_SMD:R_0805" H 2913 1625 50 0001 C CNN
|
|
F 3 "" H 2875 1775 50 0000 C CNN
|
|
F 4 "2496946" H 2875 1775 60 0001 C CNN "Farnell"
|
|
1 2875 1775
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L GND #PWR015
|
|
U 1 1 595E7913
|
|
P 3375 2025
|
|
F 0 "#PWR015" H 3375 1775 50 0001 C CNN
|
|
F 1 "GND" H 3375 1875 50 0000 C CNN
|
|
F 2 "" H 3375 2025 50 0000 C CNN
|
|
F 3 "" H 3375 2025 50 0000 C CNN
|
|
1 3375 2025
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L C C3
|
|
U 1 1 595E791A
|
|
P 3375 1775
|
|
F 0 "C3" H 3400 1875 50 0000 L CNN
|
|
F 1 "10n" H 3400 1675 50 0000 L CNN
|
|
F 2 "Resistors_SMD:R_0805" H 3413 1625 50 0001 C CNN
|
|
F 3 "" H 3375 1775 50 0000 C CNN
|
|
F 4 "1414662" H 3375 1775 60 0001 C CNN "Farnell"
|
|
1 3375 1775
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L C C2
|
|
U 1 1 595E7921
|
|
P 3125 1775
|
|
F 0 "C2" H 3150 1875 50 0000 L CNN
|
|
F 1 "100n" H 3150 1675 50 0000 L CNN
|
|
F 2 "Resistors_SMD:R_0805" H 3163 1625 50 0001 C CNN
|
|
F 3 "" H 3125 1775 50 0000 C CNN
|
|
F 4 "499687" H 3125 1775 60 0001 C CNN "Farnell"
|
|
1 3125 1775
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
3375 1925 3375 2025
|
|
Wire Wire Line
|
|
2875 1975 3375 1975
|
|
Wire Wire Line
|
|
2875 1975 2875 1925
|
|
Wire Wire Line
|
|
3125 1925 3125 1975
|
|
Connection ~ 3125 1975
|
|
Connection ~ 3375 1975
|
|
Wire Wire Line
|
|
3375 1550 3375 1625
|
|
Wire Wire Line
|
|
2875 1625 2875 1550
|
|
Wire Wire Line
|
|
3125 1550 3125 1625
|
|
Connection ~ 3125 1550
|
|
Connection ~ 3375 1550
|
|
Wire Wire Line
|
|
1825 2275 1825 4225
|
|
Wire Wire Line
|
|
1825 2775 2425 2775
|
|
Connection ~ 1825 3975
|
|
$Comp
|
|
L GND #PWR016
|
|
U 1 1 595EAADE
|
|
P 1825 4625
|
|
F 0 "#PWR016" H 1825 4375 50 0001 C CNN
|
|
F 1 "GND" H 1825 4475 50 0000 C CNN
|
|
F 2 "" H 1825 4625 50 0000 C CNN
|
|
F 3 "" H 1825 4625 50 0000 C CNN
|
|
1 1825 4625
|
|
-1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L R R15
|
|
U 1 1 595EB276
|
|
P 3325 2775
|
|
F 0 "R15" V 3405 2775 50 0000 C CNN
|
|
F 1 "100k" V 3325 2775 50 0000 C CNN
|
|
F 2 "WithoutSilkscreen:R_0805_W_Silks" V 3255 2775 50 0001 C CNN
|
|
F 3 "" H 3325 2775 50 0001 C CNN
|
|
F 4 "2447551" V 3325 2775 60 0001 C CNN "Farnell"
|
|
1 3325 2775
|
|
0 -1 -1 0
|
|
$EndComp
|
|
$Comp
|
|
L R R14
|
|
U 1 1 595EB575
|
|
P 2950 3050
|
|
F 0 "R14" V 3030 3050 50 0000 C CNN
|
|
F 1 "1k" V 2950 3050 50 0000 C CNN
|
|
F 2 "WithoutSilkscreen:R_0805_W_Silks" V 2880 3050 50 0001 C CNN
|
|
F 3 "" H 2950 3050 50 0001 C CNN
|
|
F 4 "9237496" V 2950 3050 60 0001 C CNN "Farnell"
|
|
1 2950 3050
|
|
-1 0 0 1
|
|
$EndComp
|
|
$Comp
|
|
L GND #PWR017
|
|
U 1 1 595EB776
|
|
P 2950 3250
|
|
F 0 "#PWR017" H 2950 3000 50 0001 C CNN
|
|
F 1 "GND" H 2950 3100 50 0000 C CNN
|
|
F 2 "" H 2950 3250 50 0000 C CNN
|
|
F 3 "" H 2950 3250 50 0000 C CNN
|
|
1 2950 3250
|
|
-1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
2725 2775 3175 2775
|
|
Wire Wire Line
|
|
2950 3200 2950 3250
|
|
Wire Wire Line
|
|
3475 2775 4150 2775
|
|
Wire Wire Line
|
|
4150 2275 4150 4225
|
|
Wire Wire Line
|
|
3550 4225 7225 4225
|
|
Text Notes 1875 5875 0 60 ~ 0
|
|
This amplifier is designed so, that the diode sees a resistance of 10 G without\nhaving to use 10 G. The equation is Uout = Id * Rf * (1+R1/R2). The cut-off\nfrequency is determined by the capactitor which connects input and output. This\ncap. is embedded and has acc. to C = (e*A )/ d a capacity of 26fF. The bandwidth\nis acc. to f = 1/(R*C*2*pi) = 626 Hz.
|
|
Connection ~ 4150 2775
|
|
Connection ~ 1825 2775
|
|
Wire Wire Line
|
|
2950 2900 2950 2775
|
|
Connection ~ 2950 2775
|
|
Connection ~ 4150 4225
|
|
Wire Wire Line
|
|
1825 4525 1825 4625
|
|
Wire Wire Line
|
|
2875 650 3425 650
|
|
Wire Wire Line
|
|
2875 1550 3425 1550
|
|
Text HLabel 3550 4475 2 60 Input ~ 0
|
|
-3.3V
|
|
Text HLabel 3550 3975 2 60 Input ~ 0
|
|
3.3V
|
|
$EndSCHEMATC
|
|
|