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-rw-r--r--emf_detector_1storder_amp.asc63
-rw-r--r--emf_detector_butterworth_amp.asc94
-rw-r--r--sensor/sensor-cache.lib109
-rw-r--r--sensor/sensor.kicad_pcb1
-rw-r--r--sensor/sensor.pro34
-rw-r--r--sensor/sensor.sch285
6 files changed, 586 insertions, 0 deletions
diff --git a/emf_detector_1storder_amp.asc b/emf_detector_1storder_amp.asc
new file mode 100644
index 0000000..7589329
--- /dev/null
+++ b/emf_detector_1storder_amp.asc
@@ -0,0 +1,63 @@
+Version 4
+SHEET 1 880 680
+WIRE 112 -112 -528 -112
+WIRE -528 -32 -528 -112
+WIRE 160 -32 0 -32
+WIRE 272 -32 240 -32
+WIRE -528 64 -528 48
+WIRE 112 64 112 -112
+WIRE -528 80 -528 64
+WIRE -112 80 -336 80
+WIRE 0 80 0 -32
+WIRE 0 80 -32 80
+WIRE 32 80 0 80
+WIRE 80 80 32 80
+WIRE 272 96 272 -32
+WIRE 272 96 144 96
+WIRE 368 96 272 96
+WIRE 0 112 0 80
+WIRE 80 112 32 112
+WIRE 0 208 0 176
+WIRE 32 208 32 112
+WIRE 32 208 0 208
+WIRE 32 240 32 208
+WIRE -528 384 -528 160
+WIRE 112 384 112 128
+WIRE 112 384 -528 384
+FLAG 32 240 0
+FLAG -336 160 0
+FLAG -528 64 0
+FLAG 272 96 out
+FLAG 32 80 stg2
+SYMBOL Opamps\\AD8542 112 32 R0
+SYMATTR InstName U1
+SYMBOL Misc\\signal -336 64 R0
+WINDOW 123 24 132 Left 2
+WINDOW 39 24 132 Left 2
+SYMATTR InstName V1
+SYMATTR Value ""
+SYMATTR Value2 AC 1.
+SYMBOL res -16 64 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R2
+SYMATTR Value 1k
+SYMBOL voltage -528 -48 R0
+WINDOW 123 0 0 Left 0
+WINDOW 39 0 0 Left 0
+SYMATTR InstName V2
+SYMATTR Value 2.5
+SYMBOL voltage -528 64 R0
+WINDOW 123 0 0 Left 0
+WINDOW 39 0 0 Left 0
+SYMATTR InstName V3
+SYMATTR Value 2.5
+SYMBOL res 256 -48 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R1
+SYMATTR Value 100k
+SYMBOL cap -16 112 R0
+SYMATTR InstName C2
+SYMATTR Value 220n
+TEXT -386 318 Left 2 !.ac dec 250 0.1 10meg
diff --git a/emf_detector_butterworth_amp.asc b/emf_detector_butterworth_amp.asc
new file mode 100644
index 0000000..115314e
--- /dev/null
+++ b/emf_detector_butterworth_amp.asc
@@ -0,0 +1,94 @@
+Version 4
+SHEET 1 880 680
+WIRE 96 -112 -528 -112
+WIRE -48 -48 -144 -48
+WIRE 320 -48 16 -48
+WIRE -528 -32 -528 -112
+WIRE -528 64 -528 48
+WIRE 128 64 112 64
+WIRE -528 80 -528 64
+WIRE -256 80 -336 80
+WIRE -144 80 -144 -48
+WIRE -144 80 -176 80
+WIRE -112 80 -144 80
+WIRE 32 80 -32 80
+WIRE 80 80 32 80
+WIRE 208 96 208 32
+WIRE 208 96 144 96
+WIRE 560 96 208 96
+WIRE 80 112 64 112
+WIRE 32 128 32 80
+WIRE 32 128 -64 128
+WIRE 96 128 96 -112
+WIRE 112 128 96 128
+WIRE 208 128 208 96
+WIRE 32 176 32 128
+WIRE 64 224 64 112
+WIRE 208 224 208 208
+WIRE 208 224 64 224
+WIRE 320 224 320 -48
+WIRE 320 224 208 224
+WIRE 208 240 208 224
+WIRE -528 384 -528 160
+WIRE 128 384 128 64
+WIRE 128 384 -528 384
+WIRE -64 480 -64 128
+WIRE 32 480 -64 480
+WIRE 96 528 96 480
+WIRE 560 528 560 96
+WIRE 560 528 96 528
+WIRE -144 576 -144 80
+WIRE 32 576 -144 576
+WIRE 96 576 96 528
+FLAG 32 240 0
+FLAG 208 320 0
+FLAG -336 160 0
+FLAG -528 64 0
+FLAG 208 32 out
+FLAG -144 80 stg1
+FLAG 32 80 stg2
+SYMBOL Opamps\\AD8542 112 160 M180
+SYMATTR InstName U1
+SYMBOL Misc\\signal -336 64 R0
+WINDOW 123 24 132 Left 2
+WINDOW 39 24 132 Left 2
+SYMATTR InstName V1
+SYMATTR Value ""
+SYMATTR Value2 AC 1.
+SYMBOL res -160 64 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R1
+SYMATTR Value 220k
+SYMBOL res -16 64 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R2
+SYMATTR Value 220k
+SYMBOL cap 16 -64 R90
+WINDOW 0 0 32 VBottom 2
+WINDOW 3 32 32 VTop 2
+SYMATTR InstName C1
+SYMATTR Value 1n
+SYMBOL cap 48 240 R180
+WINDOW 0 24 56 Left 2
+WINDOW 3 24 8 Left 2
+SYMATTR InstName C2
+SYMATTR Value 470p
+SYMBOL res 192 112 R0
+SYMATTR InstName R3
+SYMATTR Value 1k
+SYMBOL res 192 224 R0
+SYMATTR InstName R4
+SYMATTR Value 100
+SYMBOL voltage -528 -48 R0
+WINDOW 123 0 0 Left 0
+WINDOW 39 0 0 Left 0
+SYMATTR InstName V2
+SYMATTR Value 2.5
+SYMBOL voltage -528 64 R0
+WINDOW 123 0 0 Left 0
+WINDOW 39 0 0 Left 0
+SYMATTR InstName V3
+SYMATTR Value 2.5
+TEXT -562 390 Left 2 !.ac dec 250 0.1 10meg
diff --git a/sensor/sensor-cache.lib b/sensor/sensor-cache.lib
new file mode 100644
index 0000000..d47ab23
--- /dev/null
+++ b/sensor/sensor-cache.lib
@@ -0,0 +1,109 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# Amplifier_Operational_MCP6002-xSN
+#
+DEF Amplifier_Operational_MCP6002-xSN U 0 5 Y Y 3 L N
+F0 "U" 0 200 50 H V L CNN
+F1 "Amplifier_Operational_MCP6002-xSN" 0 -200 50 H V L CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS LM358 AD8620 LMC6062 LMC6082 TL062 TL072 TL082 NE5532 SA5532 RC4558 RC4560 RC4580 LMV358 TS912 TSV912IDT TSV912IST TLC272 TLC277 MCP602 OPA2134 OPA2340 OPA2376xxD OPA2376xxDGK MC33078 MC33178 LM4562 OP249 OP275 ADA4075-2 MCP6002-xP MCP6002-xSN MCP6002-xMS LM7332 OPA2333xxD OPA2333xxDGK LMC6482 LT1492 LTC6081xMS8 LM6172 MCP6L92 NJM2043 NJM2114 NJM4556A NJM4558 NJM4559 NJM4560 NJM4580 NJM5532 ADA4807-2ARM OPA2691 LT6233 OPA2356xxD OPA2356xxDGK OPA1612AxD MC33172 OPA1602
+$FPLIST
+ SOIC*3.9x4.9mm*P1.27mm*
+ DIP*W7.62mm*
+ TO*99*
+ OnSemi*Micro8*
+ TSSOP*3x3mm*P0.65mm*
+ TSSOP*4.4x3mm*P0.65mm*
+ MSOP*3x3mm*P0.65mm*
+ SSOP*3.9x4.9mm*P0.635mm*
+ LFCSP*2x2mm*P0.5mm*
+ *SIP*
+ SOIC*5.3x6.2mm*P1.27mm*
+$ENDFPLIST
+DRAW
+P 4 1 1 10 -200 200 200 0 -200 -200 -200 200 f
+P 4 2 1 10 -200 200 200 0 -200 -200 -200 200 f
+X ~ 1 300 0 100 L 50 50 1 1 O
+X - 2 -300 -100 100 R 50 50 1 1 I
+X + 3 -300 100 100 R 50 50 1 1 I
+X + 5 -300 100 100 R 50 50 2 1 I
+X - 6 -300 -100 100 R 50 50 2 1 I
+X ~ 7 300 0 100 L 50 50 2 1 O
+X V- 4 -100 -300 150 U 50 50 3 1 W
+X V+ 8 -100 300 150 D 50 50 3 1 W
+ENDDRAW
+ENDDEF
+#
+# Device_C_Small
+#
+DEF Device_C_Small C 0 10 N N 1 F N
+F0 "C" 10 70 50 H V L CNN
+F1 "Device_C_Small" 10 -80 50 H V L CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ C_*
+$ENDFPLIST
+DRAW
+P 2 0 1 13 -60 -20 60 -20 N
+P 2 0 1 12 -60 20 60 20 N
+X ~ 1 0 100 80 D 50 50 1 1 P
+X ~ 2 0 -100 80 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device_L_Core_Ferrite
+#
+DEF Device_L_Core_Ferrite L 0 40 N N 1 F N
+F0 "L" -50 0 50 V V C CNN
+F1 "Device_L_Core_Ferrite" 110 0 50 V V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Choke_*
+ *Coil*
+ Inductor_*
+ L_*
+$ENDFPLIST
+DRAW
+A 0 -75 25 -899 899 0 1 0 N 0 -100 0 -50
+A 0 -25 25 -899 899 0 1 0 N 0 -50 0 0
+A 0 25 25 -899 899 0 1 0 N 0 0 0 50
+A 0 75 25 -899 899 0 1 0 N 0 50 0 100
+P 2 0 1 0 40 -110 40 -90 N
+P 2 0 1 0 40 -70 40 -50 N
+P 2 0 1 0 40 -30 40 -10 N
+P 2 0 1 0 40 10 40 30 N
+P 2 0 1 0 40 50 40 70 N
+P 2 0 1 0 40 90 40 110 N
+P 2 0 1 0 60 -90 60 -110 N
+P 2 0 1 0 60 -50 60 -70 N
+P 2 0 1 0 60 -10 60 -30 N
+P 2 0 1 0 60 30 60 10 N
+P 2 0 1 0 60 70 60 50 N
+P 2 0 1 0 60 110 60 90 N
+X 1 1 0 150 50 D 50 50 1 1 P
+X 2 2 0 -150 50 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device_R_Small
+#
+DEF Device_R_Small R 0 10 N N 1 F N
+F0 "R" 30 20 50 H V L CNN
+F1 "Device_R_Small" 30 -40 50 H V L CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ R_*
+$ENDFPLIST
+DRAW
+S -30 70 30 -70 0 1 8 N
+X ~ 1 0 100 30 D 50 50 1 1 P
+X ~ 2 0 -100 30 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/sensor/sensor.kicad_pcb b/sensor/sensor.kicad_pcb
new file mode 100644
index 0000000..02c8ecb
--- /dev/null
+++ b/sensor/sensor.kicad_pcb
@@ -0,0 +1 @@
+(kicad_pcb (version 4) (host kicad "dummy file") )
diff --git a/sensor/sensor.pro b/sensor/sensor.pro
new file mode 100644
index 0000000..5cd0983
--- /dev/null
+++ b/sensor/sensor.pro
@@ -0,0 +1,34 @@
+update=05/04/2019 20:44:53
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+CopperEdgeClearance=0.000000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
diff --git a/sensor/sensor.sch b/sensor/sensor.sch
new file mode 100644
index 0000000..688d38e
--- /dev/null
+++ b/sensor/sensor.sch
@@ -0,0 +1,285 @@
+EESchema Schematic File Version 5
+LIBS:sensor-cache
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+Comment5 ""
+Comment6 ""
+Comment7 ""
+Comment8 ""
+Comment9 ""
+$EndDescr
+$Comp
+L Device:L_Core_Ferrite L2
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+F 0 "L2" H 1950 2700 50 0000 R CNN
+F 1 "47u" H 1950 2800 50 0000 R CNN
+F 2 "Inductor_SMD:L_Taiyo-Yuden_NR-50xx_HandSoldering" H 2000 2750 50 0001 C CNN
+F 3 "~" H 2000 2750 50 0001 C CNN
+F 4 "BOU SRN5040-470M" H 2000 2750 50 0001 C CNN "Reichelt"
+ 1 2000 2750
+ -1 0 0 1
+$EndComp
+Wire Wire Line
+ 2000 2600 2000 2500
+Text Notes 1900 2250 3 50 ~ 0
+opposing polarity
+Wire Wire Line
+ 2000 2100 2000 2200
+Wire Wire Line
+ 2000 2900 2000 3000
+$Comp
+L Amplifier_Operational:MCP6002-xSN U1
+U 1 1 5E28B721
+P 3800 2200
+F 0 "U1" H 3950 2350 50 0000 C CNN
+F 1 "MCP6002-xSN" H 3800 2476 50 0001 C CNN
+F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 3800 2200 50 0001 C CNN
+F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 3800 2200 50 0001 C CNN
+ 1 3800 2200
+ 1 0 0 -1
+$EndComp
+$Comp
+L Device:R_Small R6
+U 1 1 5E28E7CD
+P 3400 2800
+F 0 "R6" H 3341 2754 50 0000 R CNN
+F 1 "100" H 3341 2845 50 0000 R CNN
+F 2 "Resistor_SMD:R_0603_1608Metric" H 3400 2800 50 0001 C CNN
+F 3 "~" H 3400 2800 50 0001 C CNN
+ 1 3400 2800
+ -1 0 0 1
+$EndComp
+$Comp
+L Device:R_Small R5
+U 1 1 5E28F3B5
+P 3850 2600
+F 0 "R5" V 4046 2600 50 0000 C CNN
+F 1 "1k" V 3955 2600 50 0000 C CNN
+F 2 "Resistor_SMD:R_0603_1608Metric" H 3850 2600 50 0001 C CNN
+F 3 "~" H 3850 2600 50 0001 C CNN
+ 1 3850 2600
+ 0 1 -1 0
+$EndComp
+Wire Wire Line
+ 3500 2300 3400 2300
+Wire Wire Line
+ 3400 2300 3400 2600
+Wire Wire Line
+ 3750 2600 3400 2600
+Connection ~ 3400 2600
+Wire Wire Line
+ 3400 2600 3400 2700
+Wire Wire Line
+ 3400 3000 3400 2900
+Wire Wire Line
+ 3950 2600 4200 2600
+Wire Wire Line
+ 4200 2200 4100 2200
+$Comp
+L Amplifier_Operational:MCP6002-xSN U2
+U 2 1 5E2A8E40
+P 5300 2300
+F 0 "U2" H 5300 1933 50 0000 C CNN
+F 1 "MCP6002-xSN" H 5300 2024 50 0000 C CNN
+F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 5300 2300 50 0001 C CNN
+F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 5300 2300 50 0001 C CNN
+ 2 5300 2300
+ 1 0 0 1
+$EndComp
+$Comp
+L Device:C_Small C1
+U 1 1 5E2B41DA
+P 4400 2200
+F 0 "C1" V 4171 2200 50 0000 C CNN
+F 1 "1u" V 4262 2200 50 0000 C CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 4400 2200 50 0001 C CNN
+F 3 "~" H 4400 2200 50 0001 C CNN
+ 1 4400 2200
+ 0 1 1 0
+$EndComp
+Wire Wire Line
+ 4300 2200 4200 2200
+Connection ~ 4200 2200
+$Comp
+L Device:R_Small R1
+U 1 1 5E2B9B8F
+P 5300 1800
+F 0 "R1" V 5496 1800 50 0000 C CNN
+F 1 "100k" V 5405 1800 50 0000 C CNN
+F 2 "Resistor_SMD:R_0603_1608Metric" H 5300 1800 50 0001 C CNN
+F 3 "~" H 5300 1800 50 0001 C CNN
+ 1 5300 1800
+ 0 1 -1 0
+$EndComp
+$Comp
+L Device:R_Small R4
+U 1 1 5E2C5C0C
+P 4750 2200
+F 0 "R4" V 4946 2200 50 0000 C CNN
+F 1 "1k" V 4855 2200 50 0000 C CNN
+F 2 "Resistor_SMD:R_0603_1608Metric" H 4750 2200 50 0001 C CNN
+F 3 "~" H 4750 2200 50 0001 C CNN
+ 1 4750 2200
+ 0 -1 -1 0
+$EndComp
+Wire Wire Line
+ 4850 2200 4900 2200
+Wire Wire Line
+ 4650 2200 4500 2200
+Wire Wire Line
+ 4900 2200 4900 1800
+Wire Wire Line
+ 4900 1800 5200 1800
+Connection ~ 4900 2200
+Wire Wire Line
+ 4900 2200 5000 2200
+Wire Wire Line
+ 5400 1800 5700 1800
+Wire Wire Line
+ 5700 1800 5700 2300
+Wire Wire Line
+ 5600 2300 5700 2300
+Wire Wire Line
+ 5000 2400 4900 2400
+Wire Wire Line
+ 4900 2400 4900 3000
+Wire Wire Line
+ 4900 3000 3400 3000
+Connection ~ 3400 3000
+Text Label 3850 3000 0 50 ~ 0
+VGND
+$Comp
+L Device:L_Core_Ferrite L1
+U 1 1 5E264427
+P 2000 2350
+F 0 "L1" H 1956 2396 50 0000 R CNN
+F 1 "47u" H 1956 2305 50 0000 R CNN
+F 2 "Inductor_SMD:L_Taiyo-Yuden_NR-50xx_HandSoldering" H 2000 2350 50 0001 C CNN
+F 3 "~" H 2000 2350 50 0001 C CNN
+F 4 "BOU SRN5040-470M" H 2000 2350 50 0001 C CNN "Reichelt"
+ 1 2000 2350
+ -1 0 0 -1
+$EndComp
+$Comp
+L Device:R_Small R3
+U 1 1 5E2F0F3C
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+F 0 "R3" V 3046 2100 50 0000 C CNN
+F 1 "220k" V 2955 2100 50 0000 C CNN
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+F 3 "~" H 2850 2100 50 0001 C CNN
+ 1 2850 2100
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+$EndComp
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+U 1 1 5E2F6F92
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+F 2 "Resistor_SMD:R_0603_1608Metric" H 2400 2100 50 0001 C CNN
+F 3 "~" H 2400 2100 50 0001 C CNN
+ 1 2400 2100
+ 0 1 -1 0
+$EndComp
+$Comp
+L Device:C_Small C4
+U 1 1 5E2FB873
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+F 1 "470p" H 3192 2395 50 0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 3100 2350 50 0001 C CNN
+F 3 "~" H 3100 2350 50 0001 C CNN
+ 1 3100 2350
+ -1 0 0 1
+$EndComp
+$Comp
+L Device:C_Small C3
+U 1 1 5E30B2B2
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+F 0 "C3" H 2509 2396 50 0000 R CNN
+F 1 "1n" H 2509 2305 50 0000 R CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 2600 2350 50 0001 C CNN
+F 3 "~" H 2600 2350 50 0001 C CNN
+ 1 2600 2350
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 2000 2100 2300 2100
+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 3100 2100
+Wire Wire Line
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+ 3100 3000 3400 3000
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+ 2600 2100 2750 2100
+Wire Wire Line
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+Wire Wire Line
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+$Comp
+L Device:C_Small C2
+U 1 1 5E332C54
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+F 2 "Capacitor_SMD:C_0603_1608Metric" H 4900 2300 50 0001 C CNN
+F 3 "~" H 4900 2300 50 0001 C CNN
+ 1 4900 2300
+ -1 0 0 1
+$EndComp
+Connection ~ 4900 2400
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+ 5950 2450 6200 2450
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+ 5950 2450 5950 3000
+Wire Wire Line
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+Connection ~ 5700 2300
+Text Label 6200 2300 2 50 ~ 0
+SIG_OUT
+Text Label 6200 2450 2 50 ~ 0
+REF
+$Comp
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+F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 3600 2200 50 0001 C CNN
+F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 3600 2200 50 0001 C CNN
+ 3 3600 2200
+ -1 0 0 -1
+$EndComp
+Wire Wire Line
+ 4200 2200 4200 2600
+$EndSCHEMATC