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- EESchema Schematic File Version 4
- EELAYER 26 0
- EELAYER END
- $Descr USLetter 11000 8500
- encoding utf-8
- Sheet 1 1
- Title ""
- Date ""
- Rev ""
- Comp ""
- Comment1 ""
- Comment2 ""
- Comment3 ""
- Comment4 ""
- $EndDescr
- $Comp
- L Connector:Conn_Coaxial J1
- U 1 1 5E4CB6F5
- P 2350 3350
- F 0 "J1" V 2587 3280 50 0000 C CNN
- F 1 "Conn_Coaxial" V 2496 3280 50 0000 C CNN
- F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 2350 3350 50 0001 C CNN
- F 3 " ~" H 2350 3350 50 0001 C CNN
- 1 2350 3350
- 0 -1 -1 0
- $EndComp
- $Comp
- L power:GND #PWR0101
- U 1 1 5E4CB7A8
- P 2350 3550
- F 0 "#PWR0101" H 2350 3300 50 0001 C CNN
- F 1 "GND" H 2355 3377 50 0000 C CNN
- F 2 "" H 2350 3550 50 0001 C CNN
- F 3 "" H 2350 3550 50 0001 C CNN
- 1 2350 3550
- 1 0 0 -1
- $EndComp
- $Comp
- L Device:CP C2
- U 1 1 5E4CB80B
- P 2900 3350
- F 0 "C2" V 3155 3350 50 0000 C CNN
- F 1 "10uf" V 3064 3350 50 0000 C CNN
- F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 2900 3350 50 0001 C CNN
- F 3 "~" H 2900 3350 50 0001 C CNN
- 1 2900 3350
- 0 -1 -1 0
- $EndComp
- Wire Wire Line
- 2550 3350 2750 3350
- Text Notes 1800 1725 0 50 ~ 0
- Schematic from Page 959 of\nPractical Electronics for\nInventors (Scherz, and Monk)\n4th Edition\n
- Text Notes 850 4550 0 50 ~ 0
- They recommend a 10uf Polarized\ncap. The cap MUST be high enough\nso that its impedance does not cut\ndown the audio signal. See my docs.\nA 10uf (or higher) is OK. a 1uf will NOT\nwork. Impedance increases exponentially or\nlogarithmicly\nas values go down in capacitance.\nValues even as high as 1000uf will be ok.\n(possibly higher). Being too low, will\nresult in impedance / esr (or aging of \ncap).\n\n
- $Comp
- L pspice:OPAMP U1
- U 1 1 5E4CBEC8
- P 3350 3450
- F 0 "U1" H 3650 3625 50 0000 L CNN
- F 1 "LM383" H 3675 3300 50 0000 L CNN
- F 2 "Package_TO_SOT_THT:TO-220-5_P3.4x3.7mm_StaggerOdd_Lead3.8mm_Vertical" H 3350 3450 50 0001 C CNN
- F 3 "~" H 3350 3450 50 0001 C CNN
- 1 3350 3450
- 1 0 0 -1
- $EndComp
- $Comp
- L Device:CP C1
- U 1 1 5E4CC090
- P 2875 3925
- F 0 "C1" H 2993 3971 50 0000 L CNN
- F 1 "470uf" H 2993 3880 50 0000 L CNN
- F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 2913 3775 50 0001 C CNN
- F 3 "~" H 2875 3925 50 0001 C CNN
- 1 2875 3925
- 1 0 0 -1
- $EndComp
- Wire Wire Line
- 3050 3550 2875 3550
- Wire Wire Line
- 2875 3550 2875 3775
- Wire Wire Line
- 2875 4075 3650 4075
- $Comp
- L Device:R R1
- U 1 1 5E4CC157
- P 3650 3725
- F 0 "R1" H 3720 3771 50 0000 L CNN
- F 1 "R220" H 3720 3680 50 0000 L CNN
- F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3580 3725 50 0001 C CNN
- F 3 "~" H 3650 3725 50 0001 C CNN
- 1 3650 3725
- 1 0 0 -1
- $EndComp
- $Comp
- L Device:R R2
- U 1 1 5E4CC1AE
- P 3650 4350
- F 0 "R2" H 3720 4396 50 0000 L CNN
- F 1 "R2.2" H 3720 4305 50 0000 L CNN
- F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3580 4350 50 0001 C CNN
- F 3 "~" H 3650 4350 50 0001 C CNN
- 1 3650 4350
- 1 0 0 -1
- $EndComp
- Wire Wire Line
- 3650 4200 3650 4075
- Connection ~ 3650 4075
- Wire Wire Line
- 3650 4075 3650 3875
- Wire Wire Line
- 3650 3575 3650 3450
- $Comp
- L power:GND #PWR0102
- U 1 1 5E4CC495
- P 3250 3750
- F 0 "#PWR0102" H 3250 3500 50 0001 C CNN
- F 1 "GND" H 3255 3577 50 0000 C CNN
- F 2 "" H 3250 3750 50 0001 C CNN
- F 3 "" H 3250 3750 50 0001 C CNN
- 1 3250 3750
- 1 0 0 -1
- $EndComp
- $Comp
- L power:GND #PWR0103
- U 1 1 5E4CC570
- P 3650 4500
- F 0 "#PWR0103" H 3650 4250 50 0001 C CNN
- F 1 "GND" H 3655 4327 50 0000 C CNN
- F 2 "" H 3650 4500 50 0001 C CNN
- F 3 "" H 3650 4500 50 0001 C CNN
- 1 3650 4500
- 1 0 0 -1
- $EndComp
- $Comp
- L Device:CP C3
- U 1 1 5E4CC659
- P 3400 2950
- F 0 "C3" V 3655 2950 50 0000 C CNN
- F 1 "0.2uf" V 3564 2950 50 0000 C CNN
- F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 3438 2800 50 0001 C CNN
- F 3 "~" H 3400 2950 50 0001 C CNN
- 1 3400 2950
- 0 -1 -1 0
- $EndComp
- $Comp
- L power:+12V #PWR0104
- U 1 1 5E4CC70B
- P 3250 2550
- F 0 "#PWR0104" H 3250 2400 50 0001 C CNN
- F 1 "+12V" H 3265 2723 50 0000 C CNN
- F 2 "" H 3250 2550 50 0001 C CNN
- F 3 "" H 3250 2550 50 0001 C CNN
- 1 3250 2550
- 1 0 0 -1
- $EndComp
- Wire Wire Line
- 3250 2550 3250 2950
- Connection ~ 3250 2950
- Wire Wire Line
- 3250 2950 3250 3150
- $Comp
- L power:GND #PWR0105
- U 1 1 5E4CC7DD
- P 3550 2950
- F 0 "#PWR0105" H 3550 2700 50 0001 C CNN
- F 1 "GND" H 3555 2777 50 0000 C CNN
- F 2 "" H 3550 2950 50 0001 C CNN
- F 3 "" H 3550 2950 50 0001 C CNN
- 1 3550 2950
- 1 0 0 -1
- $EndComp
- Text Notes 3550 2100 0 50 ~ 0
- V+ can be\n+5 to 20V
- $Comp
- L power:GND #PWR0106
- U 1 1 5E4CCBDF
- P 7475 4200
- F 0 "#PWR0106" H 7475 3950 50 0001 C CNN
- F 1 "GND" H 7480 4027 50 0000 C CNN
- F 2 "" H 7475 4200 50 0001 C CNN
- F 3 "" H 7475 4200 50 0001 C CNN
- 1 7475 4200
- -1 0 0 -1
- $EndComp
- $Comp
- L Device:CP C10
- U 1 1 5E4CCBE5
- P 7475 3750
- F 0 "C10" H 7357 3796 50 0000 R CNN
- F 1 "100uf" H 7357 3705 50 0000 R CNN
- F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 7475 3750 50 0001 C CNN
- F 3 "~" H 7475 3750 50 0001 C CNN
- 1 7475 3750
- -1 0 0 -1
- $EndComp
- $Comp
- L pspice:OPAMP U2
- U 1 1 5E4CCBED
- P 6450 3400
- F 0 "U2" H 6775 3575 50 0000 L CNN
- F 1 "LM383" H 6775 3250 50 0000 L CNN
- F 2 "Package_TO_SOT_THT:TO-220-5_P3.4x3.7mm_StaggerOdd_Lead3.8mm_Vertical" H 6450 3400 50 0001 C CNN
- F 3 "~" H 6450 3400 50 0001 C CNN
- 1 6450 3400
- -1 0 0 -1
- $EndComp
- $Comp
- L Device:CP C9
- U 1 1 5E4CCBF3
- P 6925 3875
- F 0 "C9" H 7043 3921 50 0000 L CNN
- F 1 "470uf" H 7043 3830 50 0000 L CNN
- F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 6963 3725 50 0001 C CNN
- F 3 "~" H 6925 3875 50 0001 C CNN
- 1 6925 3875
- -1 0 0 -1
- $EndComp
- Wire Wire Line
- 6750 3500 6925 3500
- Wire Wire Line
- 6925 3500 6925 3725
- Wire Wire Line
- 6925 4025 6150 4025
- $Comp
- L Device:R R4
- U 1 1 5E4CCBFC
- P 6150 3675
- F 0 "R4" H 6220 3721 50 0000 L CNN
- F 1 "R220" H 6220 3630 50 0000 L CNN
- F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 6080 3675 50 0001 C CNN
- F 3 "~" H 6150 3675 50 0001 C CNN
- 1 6150 3675
- -1 0 0 -1
- $EndComp
- $Comp
- L Device:R R5
- U 1 1 5E4CCC02
- P 6150 4300
- F 0 "R5" H 6220 4346 50 0000 L CNN
- F 1 "R2.2" H 6220 4255 50 0000 L CNN
- F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 6080 4300 50 0001 C CNN
- F 3 "~" H 6150 4300 50 0001 C CNN
- 1 6150 4300
- -1 0 0 -1
- $EndComp
- Wire Wire Line
- 6150 4150 6150 4050
- Connection ~ 6150 4025
- Wire Wire Line
- 6150 4025 6150 3825
- Wire Wire Line
- 6150 3525 6150 3450
- $Comp
- L power:GND #PWR0107
- U 1 1 5E4CCC0C
- P 6550 3700
- F 0 "#PWR0107" H 6550 3450 50 0001 C CNN
- F 1 "GND" H 6555 3527 50 0000 C CNN
- F 2 "" H 6550 3700 50 0001 C CNN
- F 3 "" H 6550 3700 50 0001 C CNN
- 1 6550 3700
- -1 0 0 -1
- $EndComp
- $Comp
- L power:GND #PWR0108
- U 1 1 5E4CCC12
- P 6150 4450
- F 0 "#PWR0108" H 6150 4200 50 0001 C CNN
- F 1 "GND" H 6155 4277 50 0000 C CNN
- F 2 "" H 6150 4450 50 0001 C CNN
- F 3 "" H 6150 4450 50 0001 C CNN
- 1 6150 4450
- -1 0 0 -1
- $EndComp
- $Comp
- L Device:CP C8
- U 1 1 5E4CCC18
- P 6400 2900
- F 0 "C8" V 6655 2900 50 0000 C CNN
- F 1 "0.2uf" V 6564 2900 50 0000 C CNN
- F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 6438 2750 50 0001 C CNN
- F 3 "~" H 6400 2900 50 0001 C CNN
- 1 6400 2900
- 0 1 -1 0
- $EndComp
- $Comp
- L power:+12V #PWR0109
- U 1 1 5E4CCC1E
- P 6550 2500
- F 0 "#PWR0109" H 6550 2350 50 0001 C CNN
- F 1 "+12V" H 6565 2673 50 0000 C CNN
- F 2 "" H 6550 2500 50 0001 C CNN
- F 3 "" H 6550 2500 50 0001 C CNN
- 1 6550 2500
- -1 0 0 -1
- $EndComp
- Wire Wire Line
- 6550 2500 6550 2775
- Connection ~ 6550 2900
- Wire Wire Line
- 6550 2900 6550 3100
- $Comp
- L power:GND #PWR0110
- U 1 1 5E4CCC27
- P 6250 2900
- F 0 "#PWR0110" H 6250 2650 50 0001 C CNN
- F 1 "GND" H 6255 2727 50 0000 C CNN
- F 2 "" H 6250 2900 50 0001 C CNN
- F 3 "" H 6250 2900 50 0001 C CNN
- 1 6250 2900
- -1 0 0 -1
- $EndComp
- Text Notes 4950 2500 0 50 ~ 0
- Additional\nOutput Caps\nare used to\nblock auto DC\nnoise.
- Wire Wire Line
- 7475 3300 7475 3600
- Wire Wire Line
- 7475 3900 7475 4200
- Wire Wire Line
- 6750 3300 7475 3300
- $Comp
- L Device:R R6
- U 1 1 5E4CE830
- P 7100 2775
- F 0 "R6" V 6893 2775 50 0000 C CNN
- F 1 "R1M" V 6984 2775 50 0000 C CNN
- F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7030 2775 50 0001 C CNN
- F 3 "~" H 7100 2775 50 0001 C CNN
- 1 7100 2775
- 0 1 1 0
- $EndComp
- $Comp
- L Device:R_POT RV1
- U 1 1 5E4CEB50
- P 7825 2975
- F 0 "RV1" H 7755 3021 50 0000 R CNN
- F 1 "R_POT" H 7755 2930 50 0000 R CNN
- F 2 "Potentiometer_THT:Potentiometer_Bourns_PTV09A-2_Single_Horizontal" H 7825 2975 50 0001 C CNN
- F 3 "~" H 7825 2975 50 0001 C CNN
- 1 7825 2975
- -1 0 0 -1
- $EndComp
- Wire Wire Line
- 7250 2775 7825 2775
- Wire Wire Line
- 7825 2775 7825 2825
- $Comp
- L power:GND #PWR0111
- U 1 1 5E4CF924
- P 7825 3125
- F 0 "#PWR0111" H 7825 2875 50 0001 C CNN
- F 1 "GND" H 7830 2952 50 0000 C CNN
- F 2 "" H 7825 3125 50 0001 C CNN
- F 3 "" H 7825 3125 50 0001 C CNN
- 1 7825 3125
- 1 0 0 -1
- $EndComp
- Wire Wire Line
- 7675 2975 7475 2975
- Wire Wire Line
- 7475 2975 7475 3300
- Connection ~ 7475 3300
- Wire Wire Line
- 6950 2775 6550 2775
- Connection ~ 6550 2775
- Wire Wire Line
- 6550 2775 6550 2900
- Text Notes 7975 2600 0 50 ~ 0
- Volume\nCTRL\n(logarithmic type\npot)
- $Comp
- L Connector:Barrel_Jack J2
- U 1 1 5E4D048A
- P 4950 3150
- F 0 "J2" V 4959 2970 50 0000 R CNN
- F 1 "Barrel_Jack" V 4600 3025 50 0000 R CNN
- F 2 "Connector_BarrelJack:BarrelJack_Horizontal" H 5000 3110 50 0001 C CNN
- F 3 "~" H 5000 3110 50 0001 C CNN
- 1 4950 3150
- 0 -1 1 0
- $EndComp
- Text Notes 4275 2700 0 50 ~ 0
- Barrel Plug\nIs Speaker\n(or just solder\nwire direct)
- $Comp
- L Device:CP C5
- U 1 1 5E4D0BE3
- P 4600 3450
- F 0 "C5" V 4855 3450 50 0000 C CNN
- F 1 "100uf" V 4764 3450 50 0000 C CNN
- F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 4638 3300 50 0001 C CNN
- F 3 "~" H 4600 3450 50 0001 C CNN
- 1 4600 3450
- 0 -1 -1 0
- $EndComp
- $Comp
- L Device:CP C6
- U 1 1 5E4D0C8A
- P 5300 3450
- F 0 "C6" V 5045 3450 50 0000 C CNN
- F 1 "100uf" V 5136 3450 50 0000 C CNN
- F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 5338 3300 50 0001 C CNN
- F 3 "~" H 5300 3450 50 0001 C CNN
- 1 5300 3450
- 0 1 1 0
- $EndComp
- Wire Wire Line
- 5150 3450 5050 3450
- Wire Wire Line
- 4850 3450 4750 3450
- $Comp
- L Device:CP C4
- U 1 1 5E4D137E
- P 4325 3600
- F 0 "C4" H 4443 3646 50 0000 L CNN
- F 1 "0.2uf" H 4443 3555 50 0000 L CNN
- F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 4363 3450 50 0001 C CNN
- F 3 "~" H 4325 3600 50 0001 C CNN
- 1 4325 3600
- 1 0 0 -1
- $EndComp
- $Comp
- L Device:CP C7
- U 1 1 5E4D1407
- P 5575 3600
- F 0 "C7" H 5693 3646 50 0000 L CNN
- F 1 "0.2uf" H 5693 3555 50 0000 L CNN
- F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 5613 3450 50 0001 C CNN
- F 3 "~" H 5575 3600 50 0001 C CNN
- 1 5575 3600
- 1 0 0 -1
- $EndComp
- Wire Wire Line
- 4450 3450 4325 3450
- Wire Wire Line
- 5450 3450 5575 3450
- $Comp
- L power:GND #PWR0112
- U 1 1 5E4D2210
- P 4325 3750
- F 0 "#PWR0112" H 4325 3500 50 0001 C CNN
- F 1 "GND" H 4330 3577 50 0000 C CNN
- F 2 "" H 4325 3750 50 0001 C CNN
- F 3 "" H 4325 3750 50 0001 C CNN
- 1 4325 3750
- 1 0 0 -1
- $EndComp
- $Comp
- L power:GND #PWR0113
- U 1 1 5E4D226E
- P 5575 3750
- F 0 "#PWR0113" H 5575 3500 50 0001 C CNN
- F 1 "GND" H 5580 3577 50 0000 C CNN
- F 2 "" H 5575 3750 50 0001 C CNN
- F 3 "" H 5575 3750 50 0001 C CNN
- 1 5575 3750
- 1 0 0 -1
- $EndComp
- Wire Wire Line
- 4325 3450 4000 3450
- Connection ~ 4325 3450
- Connection ~ 3650 3450
- $Comp
- L Device:R R3
- U 1 1 5E4D2CE3
- P 4775 4050
- F 0 "R3" V 4568 4050 50 0000 C CNN
- F 1 "R220" V 4659 4050 50 0000 C CNN
- F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 4705 4050 50 0001 C CNN
- F 3 "~" H 4775 4050 50 0001 C CNN
- 1 4775 4050
- 0 1 1 0
- $EndComp
- Wire Wire Line
- 4625 4050 4000 4050
- Wire Wire Line
- 4000 4050 4000 3450
- Connection ~ 4000 3450
- Wire Wire Line
- 4000 3450 3650 3450
- Text Notes 3800 1250 0 150 ~ 0
- 16 Watt Amplifier
- Wire Wire Line
- 5575 3450 6150 3450
- Connection ~ 5575 3450
- Connection ~ 6150 3450
- Wire Wire Line
- 6150 3450 6150 3400
- Text Label 3775 3450 0 50 ~ 0
- OP1OUT
- Text Label 5800 3450 0 50 ~ 0
- OP2OUT
- Text Label 7225 3300 0 50 ~ 0
- OP2NONINV
- Text Label 6850 3500 0 50 ~ 0
- OP2INV
- Text Label 3050 3350 1 50 ~ 0
- OP1NONINV
- Text Label 2875 3750 2 50 ~ 0
- OP1INV
- Text Label 2650 3350 0 50 ~ 0
- INPUT
- Text Label 4750 3450 0 50 ~ 0
- SPKOUT1
- Text Label 5125 3450 0 50 ~ 0
- SPKOUT2
- Wire Wire Line
- 4925 4050 6150 4050
- Connection ~ 6150 4050
- Wire Wire Line
- 6150 4050 6150 4025
- Text Label 7400 2775 0 50 ~ 0
- VOLPOT
- $Comp
- L Connector:Barrel_Jack J3
- U 1 1 5E4D7487
- P 6150 1650
- F 0 "J3" H 6205 1975 50 0000 C CNN
- F 1 "Barrel_Jack" H 6205 1884 50 0000 C CNN
- F 2 "Connector_BarrelJack:BarrelJack_Horizontal" H 6200 1610 50 0001 C CNN
- F 3 "~" H 6200 1610 50 0001 C CNN
- 1 6150 1650
- 1 0 0 -1
- $EndComp
- $Comp
- L power:+12V #PWR0114
- U 1 1 5E4D762B
- P 6450 1550
- F 0 "#PWR0114" H 6450 1400 50 0001 C CNN
- F 1 "+12V" H 6465 1723 50 0000 C CNN
- F 2 "" H 6450 1550 50 0001 C CNN
- F 3 "" H 6450 1550 50 0001 C CNN
- 1 6450 1550
- 1 0 0 -1
- $EndComp
- $Comp
- L power:GND #PWR0115
- U 1 1 5E4D7696
- P 6450 1750
- F 0 "#PWR0115" H 6450 1500 50 0001 C CNN
- F 1 "GND" H 6455 1577 50 0000 C CNN
- F 2 "" H 6450 1750 50 0001 C CNN
- F 3 "" H 6450 1750 50 0001 C CNN
- 1 6450 1750
- 1 0 0 -1
- $EndComp
- $EndSCHEMATC
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