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mic amp.sch
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EESchema Schematic File Version 2
LIBS:mic amp-rescue
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:mic amp-cache
EELAYER 25 0
EELAYER END
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P 5300 4675
F 0 "#PWR012" H 5300 4425 60 0001 C CNN
F 1 "GNDA" H 5300 4525 60 0000 C CNN
F 2 "" H 5300 4675 60 0000 C CNN
F 3 "" H 5300 4675 60 0000 C CNN
1 5300 4675
0 -1 -1 0
$EndComp
$Comp
L C-RESCUE-mic_amp C23
U 1 1 54E62127
P 4985 5675
F 0 "C23" H 5035 5775 50 0000 L CNN
F 1 "0.1uF" V 5135 5475 50 0000 L CNN
F 2 "custom:C_Rect_L4.0mm_W3.5mm_P2.50mm" H 5023 5525 30 0001 C CNN
F 3 "" H 4985 5675 60 0000 C CNN
F 4 "RDER72A104K1S1H03A" H 4985 5675 60 0001 C CNN "Part number"
1 4985 5675
0 1 1 0
$EndComp
$Comp
L GNDA-RESCUE-mic_amp #PWR013
U 1 1 54E6212D
P 5300 5675
F 0 "#PWR013" H 5300 5425 60 0001 C CNN
F 1 "GNDA" H 5300 5525 60 0000 C CNN
F 2 "" H 5300 5675 60 0000 C CNN
F 3 "" H 5300 5675 60 0000 C CNN
1 5300 5675
0 -1 -1 0
$EndComp
$Comp
L GNDA-RESCUE-mic_amp #PWR014
U 1 1 54E4E9A0
P 5885 1090
F 0 "#PWR014" H 5885 840 60 0001 C CNN
F 1 "GNDA" H 5885 940 60 0000 C CNN
F 2 "" H 5885 1090 60 0000 C CNN
F 3 "" H 5885 1090 60 0000 C CNN
1 5885 1090
1 0 0 -1
$EndComp
$Comp
L PWR_FLAG #FLG015
U 1 1 54E4E911
P 5885 990
F 0 "#FLG015" H 5885 1085 30 0001 C CNN
F 1 "PWR_FLAG" H 5885 1170 30 0000 C CNN
F 2 "" H 5885 990 60 0000 C CNN
F 3 "" H 5885 990 60 0000 C CNN
1 5885 990
1 0 0 -1
$EndComp
Wire Wire Line
3775 1775 3775 2200
Wire Wire Line
3550 2000 3775 2000
Connection ~ 3775 2000
Wire Wire Line
4175 1275 4450 1275
Wire Wire Line
4450 975 4450 1825
Wire Wire Line
4450 2950 4450 2225
Wire Wire Line
3775 2950 3775 2700
Wire Wire Line
2900 2650 2900 2950
Connection ~ 3775 2950
Wire Wire Line
2900 1275 2900 2250
Wire Wire Line
2725 2000 3050 2000
Connection ~ 2900 2000
Wire Wire Line
2050 2250 2050 2000
Wire Wire Line
2050 2650 2050 2950
Connection ~ 2900 2950
Wire Wire Line
2900 1275 3375 1275
Connection ~ 4450 1275
Connection ~ 3350 2950
Connection ~ 2050 2000
Connection ~ 2050 2950
Wire Wire Line
1350 2000 2225 2000
Wire Wire Line
2450 5425 2450 5050
Wire Wire Line
2175 5050 4475 5050
Connection ~ 2450 5050
Wire Wire Line
3925 5250 4475 5250
Wire Wire Line
4150 5525 3925 5525
Connection ~ 4150 5250
Wire Wire Line
4150 4175 4150 5525
Wire Wire Line
4150 4500 4925 4500
Wire Wire Line
4950 4175 4150 4175
Connection ~ 4150 4500
Wire Wire Line
5075 5150 6395 5150
Wire Wire Line
5650 4175 5650 5150
Wire Wire Line
5650 4500 5425 4500
Wire Wire Line
5350 4175 5650 4175
Connection ~ 5650 4500
Wire Wire Line
4450 4675 4785 4675
Wire Wire Line
4675 4675 4675 4850
Wire Wire Line
4450 5675 4785 5675
Connection ~ 5650 5150
Wire Wire Line
7250 4750 7450 4750
Wire Wire Line
7250 5750 7500 5750
Wire Wire Line
6995 5250 7550 5250
Wire Wire Line
8050 5250 8525 5250
Wire Wire Line
6050 2135 6050 2250
Wire Wire Line
6380 2135 6380 2250
Wire Wire Line
6380 2950 6380 2650
Wire Wire Line
2450 5925 2450 6095
Wire Wire Line
6115 5350 6395 5350
Wire Wire Line
6115 5350 6115 6295
Wire Wire Line
6115 6295 7350 6295
Wire Wire Line
7350 6295 7350 5250
Connection ~ 7350 5250
Wire Wire Line
3425 5250 2950 5250
Wire Wire Line
2950 5250 2950 5675
Wire Wire Line
3150 5675 3150 5525
Wire Wire Line
3150 5525 3425 5525
Wire Wire Line
6050 2650 6050 2950
Wire Wire Line
3350 2950 3350 3200
Connection ~ 4675 4675
Wire Wire Line
5185 4675 5300 4675
Wire Wire Line
5185 5675 5300 5675
Connection ~ 4675 5675
Wire Wire Line
4675 5450 4675 5675
Wire Wire Line
5885 990 5885 1090
Wire Wire Line
1710 2950 4450 2950
Wire Wire Line
1350 2100 1710 2100
Wire Wire Line
1710 2100 1710 2950
Wire Wire Line
1635 5050 1775 5050
Wire Wire Line
6855 935 7015 935
Wire Wire Line
7015 1035 6855 1035
Wire Wire Line
6855 1135 7010 1135
$Comp
L GNDA-RESCUE-mic_amp #PWR016
U 1 1 5A1E2D07
P 6050 2950
F 0 "#PWR016" H 6050 2700 60 0001 C CNN
F 1 "GNDA" H 6050 2800 60 0000 C CNN
F 2 "" H 6050 2950 60 0000 C CNN
F 3 "" H 6050 2950 60 0000 C CNN
1 6050 2950
1 0 0 -1
$EndComp
$Comp
L GNDA-RESCUE-mic_amp #PWR017
U 1 1 5A1E2DFC
P 6380 2950
F 0 "#PWR017" H 6380 2700 60 0001 C CNN
F 1 "GNDA" H 6380 2800 60 0000 C CNN
F 2 "" H 6380 2950 60 0000 C CNN
F 3 "" H 6380 2950 60 0000 C CNN
1 6380 2950
1 0 0 -1
$EndComp
$Comp
L +15V #PWR018
U 1 1 5A1E302F
P 6050 2135
F 0 "#PWR018" H 6050 1985 60 0001 C CNN
F 1 "+15V" H 6050 2275 60 0000 C CNN
F 2 "" H 6050 2135 60 0000 C CNN
F 3 "" H 6050 2135 60 0000 C CNN
1 6050 2135
1 0 0 -1
$EndComp
$Comp
L -15V #PWR14
U 1 1 5A1E3158
P 6380 2135
F 0 "#PWR14" H 6380 2235 20 0001 C CNN
F 1 "-15V" H 6380 2285 60 0000 C CNN
F 2 "" H 6380 2135 60 0000 C CNN
F 3 "" H 6380 2135 60 0000 C CNN
1 6380 2135
1 0 0 -1
$EndComp
$Comp
L +15V #PWR019
U 1 1 5A1E34F8
P 5320 1075
F 0 "#PWR019" H 5320 925 60 0001 C CNN
F 1 "+15V" H 5320 1215 60 0000 C CNN
F 2 "" H 5320 1075 60 0000 C CNN
F 3 "" H 5320 1075 60 0000 C CNN
1 5320 1075
-1 0 0 1
$EndComp
$Comp
L -15V #PWR7
U 1 1 5A1E3551
P 5045 1060
F 0 "#PWR7" H 5045 1160 20 0001 C CNN
F 1 "-15V" H 5045 1210 60 0000 C CNN
F 2 "" H 5045 1060 60 0000 C CNN
F 3 "" H 5045 1060 60 0000 C CNN
1 5045 1060
-1 0 0 1
$EndComp
$Comp
L PWR_FLAG #FLG020
U 1 1 5A1E35AA
P 5320 1075
F 0 "#FLG020" H 5320 1170 30 0001 C CNN
F 1 "PWR_FLAG" H 5320 1255 30 0000 C CNN
F 2 "" H 5320 1075 60 0000 C CNN
F 3 "" H 5320 1075 60 0000 C CNN
1 5320 1075
1 0 0 -1
$EndComp
$Comp
L PWR_FLAG #FLG021
U 1 1 5A1E3685
P 5045 1060
F 0 "#FLG021" H 5045 1155 30 0001 C CNN
F 1 "PWR_FLAG" H 5045 1240 30 0000 C CNN
F 2 "" H 5045 1060 60 0000 C CNN
F 3 "" H 5045 1060 60 0000 C CNN
1 5045 1060
1 0 0 -1
$EndComp
$Comp
L LF356 U2
U 1 1 5A1E3EF0
P 6695 5250
F 0 "U2" H 6695 5500 50 0000 L CNN
F 1 "LF356" H 6695 5400 50 0000 L CNN
F 2 "Package_DIP:DIP-8_W7.62mm_LongPads" H 6745 5300 50 0001 C CNN
F 3 "" H 6845 5400 50 0001 C CNN
F 4 "LF356N/NOPB" H 6695 5250 60 0001 C CNN "Part number"
1 6695 5250
1 0 0 -1
$EndComp
Wire Wire Line
6595 4950 6595 4665
Wire Wire Line
6850 4750 6595 4750
Connection ~ 6595 4750
Wire Wire Line
6595 5550 6595 5820
Wire Wire Line
6850 5750 6595 5750
Connection ~ 6595 5750
NoConn ~ 6695 5550
NoConn ~ 6795 5550
$Comp
L LF356 U1
U 1 1 5A1E505E
P 4775 5150
F 0 "U1" H 4775 5400 50 0000 L CNN
F 1 "LME49710" H 4775 5300 50 0000 L CNN
F 2 "Package_DIP:DIP-8_W7.62mm_LongPads" H 4825 5200 50 0001 C CNN
F 3 "" H 4925 5300 50 0001 C CNN
F 4 "LME49710NA/NOPB" H 4775 5150 60 0001 C CNN "Part number"
F 5 "this part is end-of-life, order extra if you need more" H 4775 5150 60 0001 C CNN "Notes"
1 4775 5150
1 0 0 -1
$EndComp
NoConn ~ 4775 5450
NoConn ~ 4875 5450
$Comp
L CONN_01X03 J3
U 1 1 5A1E5AFD
P 3050 5875
F 0 "J3" H 3050 6075 50 0000 C CNN
F 1 "CONN_01X03" V 3150 5875 50 0000 C CNN
F 2 "Conn_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical" H 3050 5875 50 0001 C CNN
F 3 "" H 3050 5875 50 0001 C CNN
F 4 "0.1\" header" H 3050 5875 60 0001 C CNN "Notes"
1 3050 5875
0 1 1 0
$EndComp
Wire Wire Line
3050 5675 3050 5520
$Comp
L CONN_01X01 J6
U 1 1 5A1E687C
P 8985 1805
F 0 "J6" H 8985 1905 50 0000 C CNN
F 1 "CONN_01X01" V 9085 1805 50 0000 C CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 8985 1805 50 0001 C CNN
F 3 "" H 8985 1805 50 0001 C CNN
F 4 "mounting hole" H 8985 1805 60 0001 C CNN "Notes"
1 8985 1805
1 0 0 -1
$EndComp
$Comp
L CONN_01X01 J7
U 1 1 5A1E6995
P 8995 2180
F 0 "J7" H 8995 2280 50 0000 C CNN
F 1 "CONN_01X01" V 9095 2180 50 0000 C CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 8995 2180 50 0001 C CNN
F 3 "" H 8995 2180 50 0001 C CNN
F 4 "mounting hole" H 8995 2180 60 0001 C CNN "Notes"
1 8995 2180
1 0 0 -1
$EndComp
$Comp
L CONN_01X01 J5
U 1 1 5A1E6D0A
P 8980 2595
F 0 "J5" H 8980 2695 50 0000 C CNN
F 1 "CONN_01X01" V 9080 2595 50 0000 C CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 8980 2595 50 0001 C CNN
F 3 "" H 8980 2595 50 0001 C CNN
F 4 "mounting hole" H 8980 2595 60 0001 C CNN "Notes"
1 8980 2595
1 0 0 -1
$EndComp
$Comp
L CONN_01X01 J4
U 1 1 5A1E6DE5
P 8935 1415
F 0 "J4" H 8935 1515 50 0000 C CNN
F 1 "CONN_01X01" V 9035 1415 50 0000 C CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 8935 1415 50 0001 C CNN
F 3 "" H 8935 1415 50 0001 C CNN
F 4 "mounting hole" H 8935 1415 60 0001 C CNN "Notes"
1 8935 1415
1 0 0 -1
$EndComp
NoConn ~ 8735 1415
NoConn ~ 8785 1805
NoConn ~ 8795 2180
NoConn ~ 8780 2595
$Comp
L CONN_01X02 J8
U 1 1 5A1E8A43
P 8725 5200
F 0 "J8" H 8725 5350 50 0000 C CNN
F 1 "CONN_01X02" V 8825 5200 50 0000 C CNN
F 2 "Conn_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical" H 8725 5200 50 0001 C CNN
F 3 "" H 8725 5200 50 0001 C CNN
F 4 "0.1\" header" H 8725 5200 60 0001 C CNN "Notes"
1 8725 5200
1 0 0 -1
$EndComp
$Comp
L CONN_01X02 J1
U 1 1 5A1E972C
P 1150 2050
F 0 "J1" H 1150 2200 50 0000 C CNN
F 1 "CONN_01X02" V 1250 2050 50 0000 C CNN
F 2 "Conn_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical" H 1150 2050 50 0001 C CNN
F 3 "" H 1150 2050 50 0001 C CNN
F 4 "0.1\" header" H 1150 2050 60 0001 C CNN "Notes"
1 1150 2050
-1 0 0 1
$EndComp
Wire Wire Line
7180 1580 7260 1580
Wire Wire Line
7260 1580 7260 1480
$Comp
L CONN_01X01 J2
U 1 1 5A1EA690
P 1435 5050
F 0 "J2" H 1435 5150 50 0000 C CNN
F 1 "CONN_01X01" V 1535 5050 50 0000 C CNN
F 2 "Conn_PinSocket_2.54mm:PinSocket_1x01_P2.54mm_Vertical" H 1435 5050 50 0001 C CNN
F 3 "" H 1435 5050 50 0001 C CNN
F 4 "0.1\" header" H 1435 5050 60 0001 C CNN "Notes"
1 1435 5050
-1 0 0 1
$EndComp
Wire Wire Line
7260 1480 7180 1480
Text Notes 1075 4770 0 60 ~ 0
RC high pass filter\n1/(2*pi*C*R). For 33nF & 49.9kOhm, 96 Hz cutoff.
Text Notes 655 1700 0 60 ~ 0
RC low pass filter\n1/(2*pi*R*C). For 4.7kOhm and 100uF, 0.33 Hz.
Text Notes 4150 3910 0 60 ~ 0
Low pass filter\n220 pF and 10 kOhm = 72 kHz cutoff
$Comp
L CONN_01X03 J9
U 1 1 5A304C1A
P 6655 1035
F 0 "J9" H 6655 1235 50 0000 C CNN
F 1 "CONN_01X03" V 6755 1035 50 0000 C CNN
F 2 "Conn_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical" H 6655 1035 50 0001 C CNN
F 3 "" H 6655 1035 50 0001 C CNN
F 4 "0.1\" header" H 6655 1035 60 0001 C CNN "Notes"
1 6655 1035
-1 0 0 1
$EndComp
$Comp
L CONN_01X02 J10
U 1 1 5A304E40
P 6980 1530
F 0 "J10" H 6980 1680 50 0000 C CNN
F 1 "CONN_01X02" V 7080 1530 50 0000 C CNN
F 2 "Conn_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical" H 6980 1530 50 0001 C CNN
F 3 "" H 6980 1530 50 0001 C CNN
F 4 "0.1\" header" H 6980 1530 60 0001 C CNN "Notes"
1 6980 1530
-1 0 0 1
$EndComp
$EndSCHEMATC