HardLabs

PhaseLoom

AndersBNielsen·PhaseLoom

PhaseLoom PCB layout, top view — open source AVR/Arduino board by AndersBNielsen
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About the PhaseLoom PCB

PhaseLoom is an open source AVR/Arduino PCB design by AndersBNielsen, published on GitHub. It is a 4-layer board measuring 68.8 × 53.6 mm, with 77 components from 36 distinct parts.

Its main chip is the Arduino_UNO_R3, from the AVR/Arduino family. Other key parts include the ADA4891-2, Si5351A-B-GTR, 74CBTLV3253PW and MIC5504-3.3YM5. By type, the board carries 27 resistors, 22 capacitors, 8 connectors, 5 switches, 5 diodes and 4 ICs.

It belongs with the rf & radio, audio and retro computing designs in this gallery.

From the project

Quadrature Sampling Detector Phase Locked Loop LO Synthesizer SDR Frontend

PhaseLoom is a unique Software Defined Radio (SDR) frontend built around the legendary MOS Technology 6502 CPU, celebrating its 50th anniversary. This project combines classic computing with modern SDR techniques, offering a hands-on platform for radio experimentation and development. Update: The PhaseLoom now has a companion ADC board with antialiasing filter, the PhaseLatch Mini!

PhaseLoom, from the project README
From the project README

Main components on the PhaseLoom

ADA4891-2Si5351A-B-GTR74CBTLV3253PWMIC5504-3.3YM5Arduino_UNO_R3

PhaseLoom bill of materials (BOM)

77 components, 36 distinct parts.

QtyPartRefs
1
ADA4891-2
U2
1
Si5351A-B-GTR
U3
1
74CBTLV3253PW
U4
1
MIC5504-3.3YM5
U5
1
Arduino_UNO_R3
A1
2
AO3400A
Q1, Q2
1
25Mhz
Y1
1
NC
J1
1
NC
J2
1
CLK2
J3
1
Q_OUT
J4
1
LO_CLK
J5
1
I_OUT
J6
1
RF_IN
J7
1
LO_CLK+90
J8
1
USR1
SW1
1
USR2
SW2
1
USR3
SW3
1
USR4
SW4
1
USR5
SW5
Show 16 more
QtyPartRefs
1
50:200
T1
5
RED
D1, D2, D3, D4, D5
1
56nH
L1
4
100nF
C1, C10, C21, C22
5
10uF
C2, C3, C13, C14, C15
4
1nF
C4, C5, C6, C7
2
2pF
C8, C9
2
1uF
C11, C12
2
18pF
C16, C17
3
NC
C18, C19, C20
4
2k2
R1, R2, R7, R8
2
22k
R3, R4
8
0
R5, R6, R11, R12, R19, R20, R21, R22
6
NC
R9, R10, R13, R14, R17, R18
2
49.9
R15, R16
5
10k
R23, R24, R25, R26, R27

PhaseLoom design files

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

PhaseLoom: common questions

What microcontroller does the PhaseLoom use?

The PhaseLoom is built around the Arduino_UNO_R3, from the AVR/Arduino family.

How big is the PhaseLoom PCB?

The PhaseLoom measures 68.8 × 53.6 mm, has 4 copper layers and is 1.6062 mm thick.

How many components are on the PhaseLoom?

77 components, from 36 distinct parts. The full bill of materials is listed on this page.

Where can I download the PhaseLoom design files?

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

Can I use the PhaseLoom design in my own project?

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

Can I test firmware for the PhaseLoom without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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