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Add bill of materials to repo

AmiSapphire authored on 2022/04/15 23:50:53
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+"Classic 47" Variant Bill of Materials
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+Capacitors
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+Note: Cap brands are listed here for historical note only.
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+Electrolytic
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+CD1, CD4, CD5, CD8 - 47uf 25V [Elna RE3] - Quantity: 4
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+CD2, CD3, CD6, CD7 - 47uf 63V [Panasonic FC] - Quantity: 4
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+CD9 - 220uf 35V [Nippon Chemicon LXZ] - Quantity: 1
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+Film
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+C1 - 100nf 100V [EPCOS - TDK Electronics B32529] - Quantity: 1
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+Resistors
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+Note: All resistors are metal film type at 1% tolerance, rated at 0.25W.
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+RE8, RE10 - 2K - Quantity: 2
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+RE7, RE9, RE13 - 10K - Quantity: 3
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+RE1, RE2, RE3, RE4, RE5, RE6 - 22K - Quantity: 6
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+RE11, RE12 - 100K - Quantity: 2
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+ICs
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+IC1, IC2 - LM358, NE5532, TL072, TLE2072 - Quantity: 2
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+Misc
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+IC1, IC2 - 8-Pin Sockets - Quantity: 2
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+GND, VCC - Power Tap, 2-pin - Quantity: 1
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+PHONE1, PHONE2 - 3.5mm Phono Jacks - Quantity: 2
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+RP1 - Potentiometer [Bourns PTD90-like], 50KOhm - Quantity: 1
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+LED1 - LED, 3mm to 5mm - Quantity: 1
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+GND (right edge) - wire shield to ground/earth
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+Notes
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+RP1 is based on the Bourns PTD90 series 2-ganged potentiometer on the original
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+PCB. If the build is used for another design, any 50K ohm, dual-ganged linear
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+potentiometer can be used.
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