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Mic preamplifier

ApophisXIV·PCB-Desing·mic_preamplifier/mic_preamplifier.kicad_pcb

Mic preamplifier PCB layout, top view — open source board by ApophisXIV

About the Mic preamplifier PCB

Mic preamplifier is an open source PCB design by ApophisXIV, published on GitHub. It is a 2-layer board measuring 44.8 × 38.5 mm, with 16 components from 12 distinct parts.

Other key parts include the LM324. By type, the board carries 5 connectors, 3 capacitors, 3 resistors, 1 IC and 1 microphone.

From the project

Some hardware stuff

Main components on the Mic preamplifier

LM324

Mic preamplifier bill of materials (BOM)

16 components, 12 distinct parts.

QtyPartRefs
1
LM324
U1
1
Conn_01x03_Male
J1
2
Conn_01x02_Male
J2, J4
2
Conn_01x02
J3, J5
1
M. Electret
MK1
2
100k
RV1, RV2
1
CAL
V1
2
10uF
C1, C2
1
TODO
C3
1
2k2
R1
1
4k7
R2
1
TODO
R3

Mic preamplifier design files

The KiCad project lives in the ApophisXIV/PCB-Desing repository on GitHub; these links point at the commit this page was built from.

Mic preamplifier: common questions

How big is the Mic preamplifier PCB?

The Mic preamplifier measures 44.8 × 38.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mic preamplifier?

16 components, from 12 distinct parts. The full bill of materials is listed on this page.

Where can I download the Mic preamplifier design files?

From the ApophisXIV/PCB-Desing repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Mic preamplifier design in my own project?

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

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