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Lab1bPics - Basic Amp 10k 5 R3 C3 Aux Input 10k 5 1uF 6 4 2...

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© Bob York Basic Amp VCC 9V VCC 9V VCC 9V R6 100kΩ 5% R7 100kΩ 5% R1 10kΩ 5% R2 10kΩ 5% R3 10kΩ 5% R4 10kΩ 5% R5 10kΩ U1A LM358AN 3 2 4 8 1 Stereo Input Jack 1 2 3 Aux Input Sets ref level at Vcc/2 R8 10kΩ Key=A 50% Speaker C7 33nF IC=0V 5% R9 10kΩ 5% C8 100nF IC=0V 5% R10 10Ω 5% D1 1N4148 D2 1N4148 Limiting Diodes Volume Control (see Data Sheet) U2 LM386N-3 BYPASS 7 GAIN 1 GAIN8 8 GND 4 IN+ 3 IN- 2 VOUT 5 VS 6 C1 1uF C2 1uF C3 1uF C5 1uF C10 100uF C6 10uF C4 10uF C9 470uF
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© Bob York Amp with Tone Control VCC 9V VCC 9V VCC 9V R6 100kΩ R7 100kΩ R1 10kΩ R2 10kΩ R3 10kΩ R4 10kΩ R5 10kΩ U1A LM358AN 3 2 4 8 1 U1B LM358AN 3 2 4 8 1 Stereo Input Jack 1 2 3 Aux Input Sets ref level at Vcc/2 R11 20kΩ Key=A 50% R12 10kΩ R13 2.2kΩ R14 2.2kΩ R15 10kΩ C12 22nF C11 22nF Vref R8 10kΩ Key=A 50% Speaker C7 33nF R9 10kΩ C8 100nF R10 10Ω D1 1N4148 D2 1N4148 Limiting Diodes Volume Control (see Data Sheet) U2 LM386N-3 BYPASS 7 GAIN 1 GAIN8 8 GND 4 IN+ 3 IN- 2 VOUT 5 VS 6 C1 1uF C2 1uF C3 1uF C5 1uF C10 100uF C6 10uF C4 10uF C9 470uF
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© Bob York Speaker Measurements V g V L R |Z| + - R c L c L m R m C m
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© Bob York LM386 and LM358
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© Bob York LM386 Amp
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