B.Y.O.C吉他压缩效果器，两片德州仪器的TL074+TL072运放，立隆电容+艾华电位器

神蓝

Resistor R22 appears twice on the schematic so the voltage divider resistors were relabeled as R21a and R21b
As far as I can tell there is no R12
C12 is a 10uf and not a .047uf

Parametric Multi-Band Compressor

Parts List

Resistors
R1 - 10K
R2 - 1M
R3a - 10K
R3b - 10K
R4 - 10K
R5 - 20K
R6 - 10K
R7 - 5.6K
R8 - 10K
R9 - 10K
R10 - 5.6K
R11 - 47K
R12 - N/A
R13 - 47K
R14 - 47K
R15 - 470R
R16 - 100K
R17 - 47K
R18 - 47K
R19 - 47K
R20 - 4.7K LED
R21a - 100K
R21b - 100K
R22 - 10K
R23 - 1M
R24 - 22K
R25 - 3.9M
R26 - 100K
R27 - 100K
R28 - 220K
R29 - 220K
R30 - 4.7K
R31 - 10K
R32 - 22K
R33 - 1M
R34 - 3.9M
R35 - 100K
R36 - 100K
R37 - 220K
R38 - 220K
R39 - 4.7K
R101 - 10K
R102 - 10K
R202 - 10K

VR1 - C100K Frequency
VR2 - A100K Low Level
VR3 - A100K High Level
VR4 - C500K High Comp
VR5 - C500K Low Comp

Capacitors
C1 - .22uf
C2 - 1uf
C3 - .022uf
C4 - .022uf
C5 - 10uf
C6 - .22uf
C7 - .047uf
C8 - .22uf
C9 - 10uf
C10 - 100uf
C11 - 33uf
C12 - 10uf
C13 - .047uf
C14 - .047uf
C15 - .047uf
C16 - 33uf
C17 - 10uf
C18 - .22uf
C19 - .047uf
C20 - .047uf
C21 - 33uf
C101- 10uf
C102 - 10uf

Semiconductors
D1 - 1N4001
D2 - LED

Q1 thru Q4 - 2N3904

IC1&2 - TL074 Quad Op-amp
IC3 - TL072 Dual Op-amp

Misc.
OC1&2 - Opto-Coupler

神蓝

我要不要做一个来耍下？这是个大难题