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Initial Commit
2017-03-24 01:30:25 -04:00
EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
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
LIBS:nocko
LIBS:bmi-8ch-cache
EELAYER 25 0
EELAYER END
$Descr USLetter 11000 8500
encoding utf-8
Sheet 2 2
Title "Input Channel 0/1"
Date "2017-03-23"
Rev "AA"
Comp "Monadnock Systems"
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AR Path="/58D5695A/58D4D809" Ref="C207" Part="1"
F 0 "C207" H 3075 6550 50 0000 L CNN
F 1 "9.1nF" H 3075 6350 50 0000 L CNN
F 2 "" H 3088 6300 50 0001 C CNN
F 3 "" H 3050 6450 50 0001 C CNN
1 3050 6450
0 1 1 0
$EndComp
$Comp
L R R220
U 1 1 58D4D80F
P 2300 6900
AR Path="/58D4647E/58D4D80F" Ref="R220" Part="1"
AR Path="/58D5695A/58D4D80F" Ref="R220" Part="1"
F 0 "R220" V 2380 6900 50 0000 C CNN
F 1 "1.15M" V 2300 6900 50 0000 C CNN
F 2 "" V 2230 6900 50 0001 C CNN
F 3 "" H 2300 6900 50 0001 C CNN
1 2300 6900
0 1 1 0
$EndComp
$Comp
L R R219
U 1 1 58D4D815
P 1900 6900
AR Path="/58D4647E/58D4D815" Ref="R219" Part="1"
AR Path="/58D5695A/58D4D815" Ref="R219" Part="1"
F 0 "R219" V 1980 6900 50 0000 C CNN
F 1 "86.6k" V 1900 6900 50 0000 C CNN
F 2 "" V 1830 6900 50 0001 C CNN
F 3 "" H 1900 6900 50 0001 C CNN
1 1900 6900
0 1 1 0
$EndComp
$Comp
L GNDA #PWR014
U 1 1 58D4D81B
P 3200 7250
AR Path="/58D4647E/58D4D81B" Ref="#PWR014" Part="1"
AR Path="/58D5695A/58D4D81B" Ref="#PWR014" Part="1"
F 0 "#PWR014" H 3200 7000 50 0001 C CNN
F 1 "GNDA" H 3200 7100 50 0000 C CNN
F 2 "" H 3200 7250 50 0001 C CNN
F 3 "" H 3200 7250 50 0001 C CNN
1 3200 7250
1 0 0 -1
$EndComp
$Comp
L +5V #PWR015
U 1 1 58D4D821
P 3200 6750
AR Path="/58D4647E/58D4D821" Ref="#PWR015" Part="1"
AR Path="/58D5695A/58D4D821" Ref="#PWR015" Part="1"
F 0 "#PWR015" H 3200 6600 50 0001 C CNN
F 1 "+5V" H 3200 6890 50 0000 C CNN
F 2 "" H 3200 6750 50 0001 C CNN
F 3 "" H 3200 6750 50 0001 C CNN
1 3200 6750
1 0 0 -1
$EndComp
$Comp
L GNDA #PWR016
U 1 1 58D4D827
P 2550 7200
AR Path="/58D4647E/58D4D827" Ref="#PWR016" Part="1"
AR Path="/58D5695A/58D4D827" Ref="#PWR016" Part="1"
F 0 "#PWR016" H 2550 6950 50 0001 C CNN
F 1 "GNDA" H 2550 7050 50 0000 C CNN
F 2 "" H 2550 7200 50 0001 C CNN
F 3 "" H 2550 7200 50 0001 C CNN
1 2550 7200
1 0 0 -1
$EndComp
Wire Wire Line
2950 7100 2800 7100
Wire Wire Line
2800 7100 2800 7500
Wire Wire Line
2800 7500 3900 7500
Wire Wire Line
3900 7500 3900 6450
Wire Wire Line
3550 7000 5050 7000
Wire Wire Line
2050 6900 2150 6900
Wire Wire Line
2450 6900 2950 6900
Connection ~ 2550 6900
Wire Wire Line
2100 6900 2100 6450
Wire Wire Line
2100 6450 2900 6450
Connection ~ 2100 6900
Wire Wire Line
3900 6450 3200 6450
Connection ~ 3900 7000
Wire Wire Line
1750 6900 1750 6200
Wire Wire Line
1750 6200 4500 6200
Wire Wire Line
4500 6200 4500 5250
Wire Wire Line
3250 5250 4850 5250
Wire Wire Line
4950 5150 4950 5350
Wire Wire Line
4850 5250 4850 5150
Connection ~ 4500 5250
Wire Wire Line
5050 7000 5050 5150
Wire Notes Line
1550 6300 4350 6300
Wire Notes Line
4350 6300 4350 7750
Wire Notes Line
4350 7750 1550 7750
Wire Notes Line
1550 7750 1550 6300
Text Notes 1550 7750 0 60 ~ 0
Chebyshev (0.23dB)\n-3dB @ 195Hz\n-50dB @ 3.1kHz
Wire Notes Line
500 4100 5250 4100
Wire Notes Line
5250 4100 5250 8000
Wire Wire Line
8700 3750 7600 3750
Text Notes 8250 2200 0 60 ~ 0
G=50
Text Notes 3450 5950 0 60 ~ 0
G=50
Text Notes 9600 800 0 87 ~ 0
Channel 0
Text Notes 4450 4300 0 87 ~ 0
Channel 1
Text Notes 650 1200 0 87 ~ 0
Notes:\nR207, R208, R209, R210, R217, R218, R219, R220: 1%\nR202, R204, R205, R212, R214, R215: Metal Foil / Thin Film\nALL C: 5%
$Comp
L R R206
U 1 1 58D47410
P 7300 1700
AR Path="/58D4647E/58D47410" Ref="R206" Part="1"
AR Path="/58D5695A/58D47410" Ref="R206" Part="1"
F 0 "R206" V 7380 1700 50 0000 C CNN
F 1 "1M" V 7300 1700 50 0000 C CNN
F 2 "" V 7230 1700 50 0001 C CNN
F 3 "" H 7300 1700 50 0001 C CNN
1 7300 1700
1 0 0 -1
$EndComp
$Comp
L R R203
U 1 1 58D47392
P 7300 1300
AR Path="/58D4647E/58D47392" Ref="R203" Part="1"
AR Path="/58D5695A/58D47392" Ref="R203" Part="1"
F 0 "R203" V 7380 1300 50 0000 C CNN
F 1 "1M" V 7300 1300 50 0000 C CNN
F 2 "" V 7230 1300 50 0001 C CNN
F 3 "" H 7300 1300 50 0001 C CNN
1 7300 1300
1 0 0 -1
$EndComp
Wire Wire Line
7450 1150 7450 1400
Wire Wire Line
7150 1150 7450 1150
Wire Wire Line
7150 1150 7150 1300
Connection ~ 7300 1150
Wire Wire Line
7150 1700 7150 1850
Wire Wire Line
7450 1850 7450 1600
Wire Wire Line
7300 1450 7300 1550
Text GLabel 7200 1500 0 60 Input ~ 0
Vref/2
Wire Wire Line
7200 1500 7300 1500
Connection ~ 7300 1500
Wire Wire Line
6700 1700 6850 1700
Wire Wire Line
7150 1850 7450 1850
Connection ~ 7300 1850
Wire Notes Line
6850 2000 7500 2000
Wire Notes Line
7500 2000 7500 1000
Wire Notes Line
6850 1000 6850 2000
Wire Wire Line
2450 5200 2450 5300
Wire Wire Line
2350 5600 2650 5600
Wire Wire Line
2650 5600 2650 5350
Wire Wire Line
2350 4900 2650 4900
Wire Wire Line
2650 4900 2650 5150
Wire Wire Line
2350 5050 2350 4900
Connection ~ 2450 4900
Wire Wire Line
2350 5400 2350 5600
Connection ~ 2450 5600
Wire Wire Line
1900 5400 2050 5400
Text GLabel 2400 5250 0 60 Input ~ 0
Vref/2
Wire Wire Line
2400 5250 2450 5250
Connection ~ 2450 5250
Wire Notes Line
2000 4800 2000 5750
Wire Notes Line
2700 5750 2700 4800
$Comp
L +5V #PWR?
U 1 1 58D5ECAF
P 7450 5100
F 0 "#PWR?" H 7450 4950 50 0001 C CNN
F 1 "+5V" H 7450 5240 50 0000 C CNN
F 2 "" H 7450 5100 50 0001 C CNN
F 3 "" H 7450 5100 50 0001 C CNN
1 7450 5100
1 0 0 -1
$EndComp
$Comp
L GNDA #PWR?
U 1 1 58D5ED2F
P 7450 5400
F 0 "#PWR?" H 7450 5150 50 0001 C CNN
F 1 "GNDA" H 7450 5250 50 0000 C CNN
F 2 "" H 7450 5400 50 0001 C CNN
F 3 "" H 7450 5400 50 0001 C CNN
1 7450 5400
1 0 0 -1
$EndComp
$Comp
L C C?
U 1 1 58D5F9F5
P 7450 5250
F 0 "C?" H 7475 5350 50 0000 L CNN
F 1 "C" H 7475 5150 50 0000 L CNN
F 2 "" H 7488 5100 50 0001 C CNN
F 3 "" H 7450 5250 50 0001 C CNN
1 7450 5250
1 0 0 -1
$EndComp
$Comp
L C C?
U 1 1 58D5FAD9
P 7700 5250
F 0 "C?" H 7725 5350 50 0000 L CNN
F 1 "C" H 7725 5150 50 0000 L CNN
F 2 "" H 7738 5100 50 0001 C CNN
F 3 "" H 7700 5250 50 0001 C CNN
1 7700 5250
1 0 0 -1
$EndComp
$Comp
L C C?
U 1 1 58D5FB61
P 7950 5250
F 0 "C?" H 7975 5350 50 0000 L CNN
F 1 "C" H 7975 5150 50 0000 L CNN
F 2 "" H 7988 5100 50 0001 C CNN
F 3 "" H 7950 5250 50 0001 C CNN
1 7950 5250
1 0 0 -1
$EndComp
Wire Wire Line
7450 5100 7950 5100
Connection ~ 7700 5100
Wire Wire Line
7450 5400 7950 5400
Connection ~ 7700 5400
Connection ~ 7450 5400
Connection ~ 7450 5100
Text Notes 6400 4000 0 60 ~ 0
Chebyshev (0.23dB)\n-3dB @ 195Hz\n-50dB @ 3.1kHz
Wire Notes Line
9150 4000 6350 4000
Wire Notes Line
5350 500 5350 4050
Wire Notes Line
5350 4050 10550 4050
$EndSCHEMATC