HardLabs

HW-Module-FMTransceiver

OE5XRX·HW-Module-FMTransceiver

HW-Module-FMTransceiver layout, top view — open source STM32 board by OE5XRX

About the HW-Module-FMTransceiver

HW-Module-FMTransceiver is an open source STM32 PCB design by OE5XRX, published on GitHub under the CERN-OHL-S-2.0 license. It is a 4-layer board measuring 100 × 100 mm, with 68 components from 37 distinct parts.

Its main chip is the STM32U575CITx, from the STM32 family. Other key parts include the SA818V, CAT24C32, TLV73333PQDBVRQ1, USBLC6-2SC6 and LMR51430 500kHz. By type, the board carries 32 capacitors, 21 resistors, 6 ICs, 3 connectors, 2 transistors and 1 crystal.

It belongs with the rf & radio designs in this gallery.

From the project

FM Transceiver Hardware Module

This repository is a template for hardware modules using KiCad, designed for clean, maintainable development with CI/CD pipelines generating and publishing production data automatically.

This project is licensed under CERN-OHL-S-2.0.

OE5XRX Amateur Radio Club 🌐 https://oe5xrx.org ✉️ info@oe5xrx.org

Main components on the HW-Module-FMTransceiver

SA818VSTM32U575CITxCAT24C32TLV73333PQDBVRQ1USBLC6-2SC6LMR51430 500kHz

HW-Module-FMTransceiver bill of materials (BOM)

68 components, 37 distinct parts.

QtyPartRefs
1
SA818V
U101
1
STM32U575CITx
U201
1
CAT24C32
U202
1
TLV73333PQDBVRQ1
U203
1
USBLC6-2SC6
U204
1
LMR51430 500kHz
U801
1
2N7002
Q501
1
BC847BS
Q701
1
8MHz / 20pF
Y201
1
Conn_Coaxial
J101
1
Conn_ARM_JTAG_SWD_10
J201
1
Conn_02x10_Row_Letter_First
J202
1
LFCN-180/490
FL101
1
BAT43W-V
D101
1
6.8u
L801
9
100nF
C101, C201, C202, C204, C206, C208, C210, C214 +1
1
10uF
C102
2
10nF/NP0
C103, C402
2
100u / 25V
C104, C213
2
30pF
C203, C205
Show 17 more
QtyPartRefs
5
4.7u/10V/X5R
C207, C209, C216, C301, C401
2
1uF
C211, C212
2
5.6nF/X7R/100V
C302, C303
2
10u
C802, C803
3
100n
C804, C805, C808
2
22u
C806, C807
2
220
R101, R102
2
2k2
R201, R403
1
3k9
R202
1
56k
R301
4
10k
R302, R303, R304, R501
2
5k1
R401, R402
2
4k7
R701, R702
2
47k
R703, R704
3
100k
R705, R706, R802
1
49R9
R801
1
13k7
R803

HW-Module-FMTransceiver design files

The KiCad project lives in the OE5XRX/HW-Module-FMTransceiver repository on GitHub; these links point at the commit this page was built from.

HW-Module-FMTransceiver: common questions

What microcontroller does the HW-Module-FMTransceiver use?

The HW-Module-FMTransceiver is built around the STM32U575CITx, from the STM32 family.

How big is the HW-Module-FMTransceiver?

The HW-Module-FMTransceiver measures 100 × 100 mm, has 4 copper layers and is 1.6062 mm thick.

How many components are on the HW-Module-FMTransceiver?

68 components, from 37 distinct parts. The full bill of materials is listed on this page.

Where can I download the HW-Module-FMTransceiver design files?

From the OE5XRX/HW-Module-FMTransceiver repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the HW-Module-FMTransceiver design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which OE5XRX chose for the repository.

Can I test firmware for the HW-Module-FMTransceiver without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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