Audio DSP FX Processor Board
Part 1: Features and Design
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Bill of Materials
Component List
[Illustration 230510-001-94]
[Illustration 230510-004-94]
Resistors (0805, 5%, 0.125W)
R7, R8, R9, R10, R11, R13, R14, R15, R16 = 0 Ω
R1, R34, R41, R44, R45, R46, R47 = 1 kΩ 1%
R2, R3, R4 = 18 kΩ 1%
R5 = 100 Ω
R6, R37, R38, R39, R40 = 470 Ω
R18, R19, R26, R27 = 604 Ω 1%
R20, R21, R22, R23, R28, R29, R30, R31 = 4.75 kΩ 1%
R24, R25, R32, R33 = 49.9 kΩ 1%
R35 = 220 Ω
R42, R43 = 10 kΩ
P1, P2, P3, P4 = 10 kΩ, lin/B, vertical
P5 = 1 kΩ trimmer
R12, R17, R36 = NC
Capacitors (0805)
C1, C4, C5, C20, C21, C45 = 10 µF 16V
C2, C6, C7, C8, C9, C10, C15, C19, C22, C23, C40, C41, C42, C43, C44, C48, C53 = 100 nF
C3, C11, C12, C16, C26, C27, C34, C35 = 47 µF 10V
C13, C14 = 22 pF
C17 = 56 nF
C18, C29, C31, C37, C39 = 3.3 nF
C24, C25, C32, C33 = 470 pF
C28, C30, C36, C38 = 150 pF
C46, C47, C49, C50, C51, C52, C54, C55, C56, C57 = 1 µF
C58 = NC (100 nF if you really need it)
Semiconductors
D1, D2, D3 = MBR0580S1
IC1 = ADAU1701JSTZ
IC2, IC4, IC5, IC6 = MCP6401RT-E/OT
IC3 = H11L1S-M
IC7 = 24LC256
IC8 = LM78M05
IC9 = AP2127N-3.3
IC10 = MCP6404T-E/ST
IC11 = 74HC4053PW
LED1 = LED, red, 0805
T1 = BC857
MOD1 = Espressif ESP32-PICO-KIT
Miscellaneous
JP1, JP2 = 3-way pin header, 0.1" pitch + jumper
K1 = 6-way pin header, 0.1" pitch
K2, K3, K4, K5 = Audio Jack, 4 poles (TRRS)
K6 = Barrel jack
K8, K9 = 17-way pin socket, 0.1" pitch
X1 = 12.288 MHz, 20 pF
PCB = Elektor 230510-1
Discussion (2 comments)