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MSM Stereo LPF filter board

JordanAceto·msm_stereo_LPF·circuit_boards/lowpass_filters/kicad_7/filter_board.kicad_pcb

MSM Stereo LPF filter board layout, top view — open source board by JordanAceto
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About the MSM Stereo LPF filter board

MSM Stereo LPF filter board is an open source PCB design by JordanAceto, published on GitHub. It is a 2-layer board measuring 167.6 × 101.6 mm, with 173 components from 38 distinct parts.

Other key parts include the TL072 and SSI2164. By type, the board carries 80 resistors, 50 capacitors, 18 transistors, 7 ICs, 5 connectors and 1 test point.

It belongs with the audio designs in this gallery.

From the project

Stereo voltage controlled lowpass filter FX box with compression and distortion. For Matt

Main components on the MSM Stereo LPF filter board

TL072SSI2164

MSM Stereo LPF filter board bill of materials (BOM)

173 components, 38 distinct parts — part numbers from the project's BOM.

QtyPartRefs
6
TL072
U1, U2, U4, U5, U6, U7
1
SSI2164
U3
14
BCM847
Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q10 +6
2
MMBT3906
Q8, Q17
2
MMBT3904
Q9, Q18
1
comp_dist_board_port
J1
1
ext_cv_port
J2
1
env_board_port
J3
1
lfo_board_port
J4
1
power_entry
J5
5
100K
100k
RV1, RV3, RV4, RV5, RV6
1
100K_C.D.
100k_C.D.
RV2
6
10K
10k
RV7, RV8, RV9, RV10, RV11, RV12
1
fb_CV_A
TP5
8
1N2
1n2
C1, C2, C3, C4, C46, C47, C50, C51
8
10U
10u
C5, C13, C14, C17, C25, C26, C29, C30
4
470N
470n
C6, C8, C18, C20
8
22n 2.5%
C7, C10, C11, C12, C19, C22, C23, C24
2
220U
220u
C15, C27
6
100P
100p
C16, C28, C45, C48, C49, C52
Show 18 more
QtyPartRefs
14
100N
100n
C31, C32, C33, C34, C35, C36, C37, C38 +6
4
330K
330k
R1, R10, R69, R77
4
680K
680k
R2, R11, R71, R79
14
100K
100k
R3, R4, R5, R7, R8, R12, R13, R14 +6
2
3K9
3k9
R6, R15
2
Rt
R9, R18
10
220
R19, R36, R39, R42, R59, R62, R68, R70 +2
6
1K2
1k2
R20, R21, R30, R43, R44, R53
8
150
R22, R29, R31, R32, R45, R52, R54, R55
6
270K
270k
R23, R27, R28, R46, R50, R51
4
47K
47k
R25, R26, R48, R49
4
120K
120k
R33, R56, R65, R73
4
470
R34, R40, R57, R63
2
330
R35, R58
2
680
R37, R60
2
1M
R41, R64
4
33K
33k
R66, R67, R74, R75
2
4K7
4k7
R72, R80

MSM Stereo LPF filter board design files

The KiCad project lives in the JordanAceto/msm_stereo_LPF repository on GitHub; these links point at the commit this page was built from.

MSM Stereo LPF filter board: common questions

How big is the MSM Stereo LPF filter board?

The MSM Stereo LPF filter board measures 167.6 × 101.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the MSM Stereo LPF filter board?

173 components, from 38 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the MSM Stereo LPF filter board design files?

From the JordanAceto/msm_stereo_LPF repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the MSM Stereo LPF filter board design in my own project?

The repository has no license, so all rights stay with JordanAceto. Use it as a reference, and ask the author before reusing the design.

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