299 lines
7.0 KiB
Plaintext
299 lines
7.0 KiB
Plaintext
EESchema Schematic File Version 4
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LIBS:mixeroutput-cache
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EELAYER 26 0
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EELAYER END
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$Descr A4 11693 8268
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encoding utf-8
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Sheet 2 2
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Title ""
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Date ""
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Rev ""
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Comp ""
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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$Comp
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L Device:Opamp_Dual_Generic U?
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U 1 1 5C0923EF
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P 2600 3000
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F 0 "U?" H 2650 3150 50 0000 C CNN
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F 1 "Opamp_Dual_Generic" H 2700 3250 50 0000 C CNN
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F 2 "Package_DIP:DIP-8_W7.62mm" H 2600 3000 50 0001 C CNN
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F 3 "~" H 2600 3000 50 0001 C CNN
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1 2600 3000
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1 0 0 1
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$EndComp
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$Comp
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L Device:Opamp_Dual_Generic U?
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U 2 1 5C0923F6
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P 2600 4250
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F 0 "U?" H 2700 4400 50 0000 C CNN
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F 1 "Opamp_Dual_Generic" H 2700 4500 50 0000 C CNN
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F 2 "Package_DIP:DIP-8_W7.62mm" H 2600 4250 50 0001 C CNN
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F 3 "~" H 2600 4250 50 0001 C CNN
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2 2600 4250
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1 0 0 1
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$EndComp
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$Comp
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L Device:Opamp_Dual_Generic U?
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U 3 1 5C0923FD
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P 2750 1300
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F 0 "U?" H 2708 1346 50 0000 L CNN
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F 1 "Opamp_Dual_Generic" H 2708 1255 50 0000 L CNN
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F 2 "Package_DIP:DIP-8_W7.62mm" H 2750 1300 50 0001 C CNN
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F 3 "~" H 2750 1300 50 0001 C CNN
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3 2750 1300
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1 0 0 -1
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$EndComp
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$Comp
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L Device:R RfbA?
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U 1 1 5C092405
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P 2600 2550
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F 0 "RfbA?" V 2400 2550 50 0000 C CNN
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F 1 "10k" V 2500 2550 50 0000 C CNN
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F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 2530 2550 50 0001 C CNN
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F 3 "~" H 2600 2550 50 0001 C CNN
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F 4 "Metallfilm" V 2600 2550 50 0001 C CNN "Notes"
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1 2600 2550
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0 -1 -1 0
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$EndComp
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Wire Wire Line
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2900 3000 2900 2550
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Wire Wire Line
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2900 2550 2750 2550
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Wire Wire Line
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2450 2550 2300 2550
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Wire Wire Line
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2300 2550 2300 2900
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$Comp
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L power:GNDA #PWR?
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U 1 1 5C092417
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P 2050 3400
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F 0 "#PWR?" H 2050 3150 50 0001 C CNN
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F 1 "GNDA" H 2055 3227 50 0000 C CNN
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F 2 "" H 2050 3400 50 0001 C CNN
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F 3 "" H 2050 3400 50 0001 C CNN
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1 2050 3400
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1 0 0 -1
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$EndComp
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$Comp
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L Device:C CLPA
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U 1 1 5C09241D
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P 2600 2300
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F 0 "CLPA" V 2348 2300 50 0000 C CNN
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F 1 "330p" V 2439 2300 50 0000 C CNN
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F 2 "Capacitor_THT:C_Rect_L7.0mm_W3.5mm_P5.00mm" H 2638 2150 50 0001 C CNN
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F 3 "~" H 2600 2300 50 0001 C CNN
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1 2600 2300
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0 1 1 0
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$EndComp
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Wire Wire Line
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2750 2300 2900 2300
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Wire Wire Line
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2900 2300 2900 2550
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Connection ~ 2900 2550
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Wire Wire Line
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2450 2300 2300 2300
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Wire Wire Line
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2300 2300 2300 2550
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Connection ~ 2300 2550
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Text Notes 2750 2300 0 50 ~ 0
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Lowpass:\nf_c = 1 /\n (2 * Pi * R * C)
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Connection ~ 2300 2900
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$Comp
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L Device:C CU2+?
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U 1 1 5C09243A
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P 2400 1150
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F 0 "CU2+?" H 2000 1200 50 0000 L CNN
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F 1 "100n" H 2050 1100 50 0000 L CNN
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F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 2438 1000 50 0001 C CNN
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F 3 "~" H 2400 1150 50 0001 C CNN
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1 2400 1150
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1 0 0 -1
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$EndComp
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$Comp
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L power:GNDA #PWR?
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U 1 1 5C092441
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P 2250 1300
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F 0 "#PWR?" H 2250 1050 50 0001 C CNN
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F 1 "GNDA" H 2100 1250 50 0000 C CNN
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F 2 "" H 2250 1300 50 0001 C CNN
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F 3 "" H 2250 1300 50 0001 C CNN
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1 2250 1300
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1 0 0 -1
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$EndComp
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$Comp
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L Device:C CU2-?
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U 1 1 5C092447
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P 2400 1450
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F 0 "CU2-?" H 2000 1400 50 0000 L CNN
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F 1 "100n" H 2050 1300 50 0000 L CNN
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F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 2438 1300 50 0001 C CNN
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F 3 "~" H 2400 1450 50 0001 C CNN
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1 2400 1450
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1 0 0 -1
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$EndComp
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Wire Wire Line
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2400 1300 2250 1300
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Connection ~ 2400 1300
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Wire Wire Line
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2650 1000 2400 1000
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Wire Wire Line
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2650 1600 2400 1600
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$Comp
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L power:GNDA #PWR?
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U 1 1 5C092452
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P 2050 4650
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F 0 "#PWR?" H 2050 4400 50 0001 C CNN
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F 1 "GNDA" H 2055 4477 50 0000 C CNN
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F 2 "" H 2050 4650 50 0001 C CNN
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F 3 "" H 2050 4650 50 0001 C CNN
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1 2050 4650
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1 0 0 -1
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$EndComp
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$Comp
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L Device:R RfbB?
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U 1 1 5C092460
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P 2600 3800
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F 0 "RfbB?" V 2400 3800 50 0000 C CNN
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F 1 "10k" V 2500 3800 50 0000 C CNN
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F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 2530 3800 50 0001 C CNN
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F 3 "~" H 2600 3800 50 0001 C CNN
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F 4 "Metallfilm" V 2600 3800 50 0001 C CNN "Notes"
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1 2600 3800
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0 -1 -1 0
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$EndComp
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$Comp
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L Device:C CLPB
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U 1 1 5C092467
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P 2600 3600
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F 0 "CLPB" V 2348 3600 50 0000 C CNN
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F 1 "330p" V 2439 3600 50 0000 C CNN
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F 2 "Capacitor_THT:C_Rect_L7.0mm_W3.5mm_P5.00mm" H 2638 3450 50 0001 C CNN
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F 3 "~" H 2600 3600 50 0001 C CNN
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1 2600 3600
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0 1 1 0
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$EndComp
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Wire Wire Line
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2300 3600 2300 3800
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Connection ~ 2300 4150
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Wire Wire Line
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2750 3800 2900 3800
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Wire Wire Line
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2900 3800 2900 4250
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Wire Wire Line
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2900 3600 2900 3800
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Connection ~ 2900 3800
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Wire Wire Line
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2450 3800 2300 3800
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Connection ~ 2300 3800
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Wire Wire Line
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2300 3800 2300 4150
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$Comp
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L Device:R RoutB
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U 1 1 5C092486
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P 3150 4250
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F 0 "RoutB" V 3357 4250 50 0000 C CNN
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F 1 "220" V 3266 4250 50 0000 C CNN
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F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 3080 4250 50 0001 C CNN
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F 3 "~" H 3150 4250 50 0001 C CNN
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F 4 "Metallfilm" V 3150 4250 50 0001 C CNN "Notes"
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1 3150 4250
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0 -1 -1 0
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$EndComp
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$Comp
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L Device:R RoutA
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U 1 1 5C09248E
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P 3150 3000
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F 0 "RoutA" V 3357 3000 50 0000 C CNN
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F 1 "220" V 3266 3000 50 0000 C CNN
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F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 3080 3000 50 0001 C CNN
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F 3 "~" H 3150 3000 50 0001 C CNN
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F 4 "Metallfilm" V 3150 3000 50 0001 C CNN "Notes"
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1 3150 3000
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0 -1 -1 0
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$EndComp
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Wire Wire Line
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3000 4250 2900 4250
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Connection ~ 2900 4250
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Wire Wire Line
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2900 3000 3000 3000
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Connection ~ 2900 3000
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Wire Wire Line
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1900 4150 2300 4150
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Wire Wire Line
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1900 2900 2300 2900
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Wire Wire Line
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2300 3600 2450 3600
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Wire Wire Line
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2750 3600 2900 3600
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$Comp
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L power:-15V #PWR?
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U 1 1 5C0924A3
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P 2650 1600
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F 0 "#PWR?" H 2650 1700 50 0001 C CNN
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F 1 "-15V" H 2665 1773 50 0000 C CNN
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F 2 "" H 2650 1600 50 0001 C CNN
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F 3 "" H 2650 1600 50 0001 C CNN
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1 2650 1600
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-1 0 0 1
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$EndComp
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$Comp
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L power:+15V #PWR?
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U 1 1 5C0924AA
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P 2650 1000
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F 0 "#PWR?" H 2650 850 50 0001 C CNN
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F 1 "+15V" H 2665 1173 50 0000 C CNN
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F 2 "" H 2650 1000 50 0001 C CNN
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F 3 "" H 2650 1000 50 0001 C CNN
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1 2650 1000
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1 0 0 -1
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$EndComp
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Text HLabel 1900 2900 0 50 Input ~ 0
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inA
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Text HLabel 1900 4150 0 50 Input ~ 0
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inB
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Text HLabel 3450 3000 2 50 Output ~ 0
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outA
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Text HLabel 3450 4250 2 50 Output ~ 0
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outB
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Wire Wire Line
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3300 4250 3450 4250
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Wire Wire Line
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3300 3000 3450 3000
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$Comp
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L Device:R RlowA?
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U 1 1 5C0560AB
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P 2050 3250
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F 0 "RlowA?" V 2257 3250 50 0000 C CNN
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F 1 "1k" V 2166 3250 50 0000 C CNN
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F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 1980 3250 50 0001 C CNN
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F 3 "~" H 2050 3250 50 0001 C CNN
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F 4 "Metallfilm" V 2050 3250 50 0001 C CNN "Notes"
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1 2050 3250
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1 0 0 -1
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$EndComp
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$Comp
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L Device:R RlowB?
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U 1 1 5C05615C
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P 2050 4500
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F 0 "RlowB?" V 2257 4500 50 0000 C CNN
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F 1 "1k" V 2166 4500 50 0000 C CNN
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F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 1980 4500 50 0001 C CNN
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F 3 "~" H 2050 4500 50 0001 C CNN
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F 4 "Metallfilm" V 2050 4500 50 0001 C CNN "Notes"
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1 2050 4500
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1 0 0 -1
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$EndComp
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Wire Wire Line
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2050 3100 2300 3100
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Wire Wire Line
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2050 4350 2300 4350
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Connection ~ 2650 1000
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Connection ~ 2650 1600
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Text Notes 700 3350 0 50 ~ 0
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Rlow for minimum offset error\ndue to input bias current.\nRlow = R1//R2//R3 ... (inputs)
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$EndSCHEMATC
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