AteOhAte_Mutant CowBell_v1_BoM
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hexinverter.net AteOhAte Mutant CowBell v1.0 Bill of Materials
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Part QtyDesignatorsNote/s
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Necessary Stuff:
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CD4046 Phase-locked Loop2IC2, IC4
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TL071 Operational Amplifier1IC7Any JFET dual supply opamp should work okay here!
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TL072 Operational Amplifier2IC3, IC5, IC6Any JFET dual supply opamp should work okay here!
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NOTE: The use of IC sockets is highly recommended for all integrated circuits
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BC549C NPN transistor10Q1, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11If you are substituting a different type of transistor (ie: the 2N-series) make SURE to check the pinout.
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BC559C PNP transistor1Q2If you are substituting a different type of transistor (ie: the 2N-series) make SURE to check the pinout.
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100pF capacitor2C9, C135mm lead spacing
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2.2nF capacitor2C10, C115mm lead spacing
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3.3nF capacitor1C145mm lead spacing
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10nF capacitor4C3, C8, C12, C155mm lead spacing
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22nF capacitor1C175mm lead spacing
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0.47uF electrolytic capacitor1C42.5mm lead spacing, 5mm diameter
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1uF electrolytic capacitor2C5, C162.5mm lead spacing, 5mm diameter
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10uF electrolytic capacitor2 C6, C72.5mm lead spacing, 6.3mm diameter
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100uF electrolytic capacitor2C1, C22.5mm lead spacing, 6.3mm diameter
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Note: All capacitors should be 25V rating or greater
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1N4148 or 1N914 diode4D1, D2, D3, D4
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47R resistor1R321/4W, 1%
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100R resistor2R9, R111/4W, 1%
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1k resistor2R5, R471/4W, 1%
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1.8k resistor2R27, R281/4W, 1%
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2k resistor2RT1, RT21/4W, 1%
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4.7k resistor5R4, R33, R34, R39, R401/4W, 1%
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8.2k resistor1R451/4W, 1%
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10k resistor5R3, R7, R29, R30, R371/4W, 1%
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12k resistor2 R13, R171/4W, 1%
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15k resistor1 R361/4W, 1%
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22k resistor5R1, R2, R22, R38, R46 1/4W, 1%
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33k resistor2R6, R351/4W, 1%
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47k resistor3R16, R20, R241/4W, 1%
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68k resistor2R25, R261/4W, 1%
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100k resistor9R8, R15, R19, R21, R23, R41, R42, R43, R441/4W, 1%
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470k resistor3R10, R12, R311/4W, 1%
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1M resistor2R14, R18 1/4W, 1%
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Format Specific Stuff:
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100k LINEAR potentiometer (panel mount)3F1, F2, CV amount[optional, depending on panel design]
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10k LINEAR potentiometer (panel mount)1Cutoff
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100k AUDIO potentiometer (panel mount)1Level
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Jacks (to match your format)4Accent, Trigger, CV In, Out1/4", banana, 3.5mm, etc.!
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Knobs5xxOnly 4 needed if not using CV amount control
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Wire xxxx26AWG or so is recommended
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3mm machine screw, nuts + PCB standoffs4xxFor fixing the PCB to the panel/l-bracket
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Power Header (Eurorack or MTA-156)1xx
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