HardLabs

Mic preamp

jonronen·kicad-stuff·mic_preamp/mic_preamp.kicad_pcb

Mic preamp PCB layout, top view — open source board by jonronen

About the Mic preamp PCB

Mic preamp is an open source PCB design by jonronen, published on GitHub. It is a 2-layer board measuring 64 × 36.1 mm, with 27 components from 16 distinct parts.

Other key parts include the INA217. By type, the board carries 9 resistors, 8 capacitors, 4 connectors, 4 diodes and 1 IC.

Main components on the Mic preamp

INA217

Mic preamp bill of materials (BOM)

27 components, 16 distinct parts.

QtyPartRefs
1
INA217
U1
2
Conn_01x03
J1, J3
1
JACK_STEREO
J2
1
Conn_01x01
J4
1
2.2K
RV1
4
1N4148
D1, D2, D3, D4
2
47uF
C1, C2
3
100n
C3, C5, C6
1
1uF
C4
2
100uF
C7, C8
2
6.8K
R1, R2
1
47K
R3
2
2.2K
R4, R5
1
100R
R6
1
1M
R7
2
10R
R8, R9

Mic preamp design files

The KiCad project lives in the jonronen/kicad-stuff repository on GitHub; these links point at the commit this page was built from.

Mic preamp: common questions

How big is the Mic preamp PCB?

The Mic preamp measures 64 × 36.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mic preamp?

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

Where can I download the Mic preamp design files?

From the jonronen/kicad-stuff repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

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

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

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