1183/1184 Quad VCA BOM
Most parts are sourced from Tayda with the exception of the following:
BZX55C2V0, AS3360, and Tayda is almost always out of b100k 9mm pots.
VCA Mixer Board BOM
1: BZX55C2V0 (Mouser) BZX55C2V0 (Ebay)
Designator: D1, D2, D3, D4
Qty: 4
2: 10-Pin Eurorack Power Connector
Designator: J1
Qty: 1
3: TL072 Dual OpAmp
Designator: U7
Qty: 1
4: AS3360 (Electric Druid) AS3360 (Modular Addict)
Designator: U5, U6
Qty: 2
5: TL074 Quad OpAmp
Designator: U1, U2, U3, U4
Qty: 4
6: Ferrite Beads or 10R (10 Ohm) Metal Film Resistor
Designator: FB1, FB2
Qty: 2
7: 1k Metal Film Resistor
Designator: R39, R40, R47, R48, R57, R58, R59, R60, R72
Qty: 9
8: 100k Metal Film Resistor
Designator: R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, R32, R49, R50, R51, R52, R53, R54, R55, R56, R65, R66, R67, R68, R69, R70, R71
Qty: 39
9: 47k Metal Film Resistor
Designator: R35, R38, R43, R46
Qty: 4
10: 20k Metal Film Resistor
Designator: R34, R37, R42, R45
Qty: 4
11: 6k8 Metal Film Resistor
Designator: R33, R36, R41, R44
Qty: 4
12: 470k Metal Film Resistor
Designator: R2, R4, R6, R8
Qty: 4
13: 220k Metal Film Resistor
Designator: R1, R3, R5, R7
Qty: 4
14: 2N3904
Designator: Q1, Q2, Q3, Q4
Qty: 4
15: 6.35mm Box Style Jack Sockets
Designator: J6, J7, J8, J9, J10, J11, J12, J13, J14, J15, J16, J17, J22
Qty: 13
17: Male Single Row 2.54mm Header (40-Pin, Break off into four 8-Pin Headers for the Main Board)
Designator: J2, J3, J4, J5
Qty: 1 (Qty: 4 1x8-Pin Headers)
15: 100nf (0.1uf) Ceramic Capacitor
Designator: C3, C4, C7, C8, C9, C10, C11, C12, C13, C14
Qty: 10
16: 4n7 (0.0047uF/4700pF ) Ceramic Capacitor
Designator: C5, C6
Qty: 2
17: 10uf Electrolytic Capacitor
Designator: C1,C2
Qty: 2
VCA Daughter Board BOM
1: SPDT ON-ON Mini Toggle Switch
Designator: SW1, SW2, SW3, SW4
Qty: 4
2: DPDT ON-ON Mini Toggle Switch
Designator: SW5, SW6, SW7, SW8
Qty: 4
3: B100k 9mm Alpha Potentiometer (Tayda - almost always out of stock) B100k 9mm Alpha Potentiomer (Modular Addict)
Designator: RV1, RV2, RV3, RV4, RV5
Qty: 5
4: 1k Metal Film Resistor
Designator: R61, R62, R63, R64
Qty: 4
5: 8-Pin Female Single Row 2.54mm Header (for Daughter Board)
Designator: J18, J19, J20, J21
Qty: 4
6: 5mm LED
Designator: D5, D6, D7, D8, D9, D10, D11, D12
Qty: 8
Happy Building!