HardLabs

Mu lna

marcoreps·low_noise_amplifier

Mu lna PCB layout, top view — open source board by marcoreps

About the Mu lna PCB

Mu lna is an open source PCB design by marcoreps, published on GitHub. It is a 2-layer board measuring 100 × 77.8 mm, with 55 components from 19 distinct parts.

Other key parts include the ADA4523-1 and Opamp_Dual_Generic. By type, the board carries 23 capacitors, 21 resistors, 5 ICs, 3 connectors, 2 battery holders and 1 switch.

It belongs with the audio designs in this gallery.

Main components on the Mu lna

ADA4523-1Opamp_Dual_Generic

Mu lna bill of materials (BOM)

55 components, 19 distinct parts.

QtyPartRefs
4
ADA4523-1
U1, U3, U4, U5
1
Opamp_Dual_Generic
U2
2
Conn_01x02
J3, J4
1
Conn_01x01
J5
2
Battery_Cell
BT1, BT2
1
SWW246/7
SW1
10
100nF
C1, C2, C3, C4, C5, C6, C7, C8 +2
4
330nF
C9, C14, C19, C23
2
270nF
C10, C13
1
39nF
C11
1
1000µF
C12
1
680nF
C15
4
22µF
C18, C20, C21, C22
4
1kOhm
R1, R6, R16, R20
10
100kOhm
R2, R4, R5, R8, R9, R10, R11, R12 +2
4
10Ohm
R3, R14, R19, R22
1
100R
R7
1
2kOhm
R15
1
49k9kOhm
R18

Mu lna design files

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

Mu lna: common questions

How big is the Mu lna PCB?

The Mu lna measures 100 × 77.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mu lna?

55 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the Mu lna design files?

From the marcoreps/low_noise_amplifier repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Mu lna design in my own project?

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

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