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Actidamp mk4-smd

josko7452·actidamp-mk4-smd·main-pcb/actidamp-mk4-smd.kicad_pcb

Actidamp mk4-smd PCB layout, top view — open source board by josko7452
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About the Actidamp mk4-smd PCB

Actidamp mk4-smd is an open source PCB design by josko7452, published on GitHub. It is a 4-layer board measuring 119 × 100 mm, with 199 components from 65 distinct parts.

Other key parts include the LM317_3PinPackage, LM337_TO252, NE5532, NE5534 and LF411. By type, the board carries 88 capacitors, 76 resistors, 12 ICs, 6 connectors, 4 transistors and 4 diodes.

From the project

Low noise RIAA preamplifier with JFET input and active input impedance (to mitigate Johnson noise)

Low noise RIAA preamplifier with JFET input and active input impedance (to mitigate Johnson noise)

Main board - pdf link Power supply - pdf link Front & Back panel** - pdf link

To build this just download Gerbers from release page and hand-off to your favourtie PCB manufacturer. I have tested it with JLC PCB. But it has no crazy requirements besides the mainboard is 4 layer.

Actidamp mk4-smd, from the project README
From the project README

Main components on the Actidamp mk4-smd

LM317_3PinPackageLM337_TO252NE5532NE5534LF411

Actidamp mk4-smd bill of materials (BOM)

199 components, 65 distinct parts.

QtyPartRefs
1
LM317_3PinPackage
U101
1
LM337_TO252
U102
4
NE5532
U201, U204, U301, U304
2
NE5534
U202, U302
4
LF411
U203, U205, U303, U305
2
2SK3320
Q201, Q301
2
BC846BPN
Q401, Q501
1
XLR3
J101
1
Phono_Ground
J102
1
PHONO_IN_L
J103
1
PHONO_IN_R
J104
1
LINE_OUT_L
J105
1
LINE_OUT_R
J106
2
Heatsink_Pad
HS101, HS102
2
10k
RV201, RV301
2
SW_DIP_x04
SW201, SW301
1
SW_DPDT_x2
SW202
2
MRA4003T3G
D101, D102
2
BAS20
D103, D104
2
220uH
L201, L301
Show 45 more
QtyPartRefs
6
220u
C101, C102, C403, C404, C503, C504
8
10u
C103, C104, C105, C106, C401, C402, C501, C502
6
100p
C201, C208, C214, C301, C308, C314
2
220p
C202, C302
2
330p
C203, C303
4
470p
C204, C207, C304, C307
4
15p
C205, C206, C305, C306
2
10p
C209, C309
4
1u
C210, C211, C310, C311
8
680n
C212, C217, C226, C229, C312, C317, C326, C329
6
470n
C213, C215, C216, C313, C315, C316
6
100n
C218, C219, C220, C318, C319, C320
4
120n
C221, C222, C321, C322
2
47n
C223, C323
2
220p
C224, C324
10
2.7n
C225, C227, C228, C230, C231, C325, C327, C328 +2
2
1.5n
C232, C332
10
100n
C405, C406, C407, C408, C409, C505, C506, C507 +2
2
3400 1%
R101, R102
2
240 1%
R103, R104
6
220
R201, R301, R405, R406, R505, R506
2
51k
R202, R302
2
47
R203, R303
4
1M6
R204, R211, R304, R311
4
1k8 1/8W
R205, R207, R305, R307
4
10k 1%
R206, R209, R306, R309
2
3k3 1/4W
R208, R308
2
5k1
R210, R310
2
100 1%
R212, R312
6
12k
R213, R215, R218, R313, R315, R318
2
3k3 1%
R214, R314
6
1M
R216, R226, R230, R316, R326, R330
2
4k7
R217, R317
2
82k
R219, R319
2
4k87 1%
R220, R320
2
542 1%
R221, R321
2
390 1%
R222, R322
2
6k8 1%
R223, R323
2
3k3
R224, R324
2
5k 1%
R225, R325
2
1k
R227, R327
2
750
R228, R328
2
100
R229, R329
4
10 1/8W
R401, R403, R501, R503
4
2k2
R402, R404, R502, R504

Actidamp mk4-smd design files

The KiCad project lives in the josko7452/actidamp-mk4-smd repository on GitHub; these links point at the commit this page was built from.

Actidamp mk4-smd: common questions

How big is the Actidamp mk4-smd PCB?

The Actidamp mk4-smd measures 119 × 100 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Actidamp mk4-smd?

199 components, from 65 distinct parts. The full bill of materials is listed on this page.

Where can I download the Actidamp mk4-smd design files?

From the josko7452/actidamp-mk4-smd repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Actidamp mk4-smd design in my own project?

The repository has no license, so all rights stay with josko7452. Use it as a reference, and ask the author before reusing the design.

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