vcNOIZ v1.0_UNIVERSAL BOM
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hexinverter.net vcNOIZ v1.0 UNIVERSAL Bill of Materials
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Part QtyDesignatorsNote/s
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PCB Essentials (make sure to find your own pots and jacks, as these are format specific)
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TL074 Dual Operational Amplifier2IC2, IC6
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CD4006 CMOS Shift Register2IC3, IC4Modern replacement: NTE4006 (available at Mouser)
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CD4040 Divider1IC1
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CD4046 PLL1IC7
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CD4070 Quad XOR Gate1IC5
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The use of IC sockets for ALL integrated circuits is HIGHLY recommended.
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2N3904 NPN Transistor2Q1, Q2 Don't worry about matching these. You can if you want to, but given the nature of a NOISE oscillator, perfect frequency tracking makes pretty much no sonic difference. The core is unstable but it runs at such a high frequency that the actual noise output is unaffected by temperature as far as your ears are concerned :)
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100pF capacitor1C25mm lead spacing
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2.2nF (2200pF) capacitor1C15mm lead spacing
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.1uF Ceramic Disc Capacitor7C11, C12, C13, C14, C15, C17, C185mm lead spacing
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1uF Electrolytic Capacitor6C3, C4, C5, C6, C7, C82.54mm lead spacing -- audio grade recommended
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10uF Electrolytic Capacitor2C10, C162.54mm lead spacing
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4.7uF Electrolytic Capacitor1C92.54mm lead spacing
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Note: All capacitors should be 25V rating or greater
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1N914 Small Signal Diode3D3, D8, D9
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Note: Or equivalent (ie: 1N4148)
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1k Resistor5R8, R16, R17, R18, R19
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1.8k Resistor1R1
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10k Resistor4R2, R10, R41, R46
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47k Resistor2R9, R33
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100k Resistor11R4, R5, R6, R7, R11, R12, R13, R14, R15, R20, R35
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1M Resistor1R3
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Things you might or might not need
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100k linear potentiometer (panel mount)2Pitch, CV Attenuation
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Jacks (to match your format)8LIN, EXP, C.in, C.out, AC, AC/4, AC/8, DC1/4", banana, 3.5mm, etc.!
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Knobs2Pitch, CV Attenuation
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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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Eurorack panel1xxhttp://www.resynthesis.co.uk
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