Notes

Note: We are using KiCad 7.0.x version to build this project.

[UPDATE] The design was validated on 27th-Feb-2023. It works really well for WSPR @ 28 MHz where the original Adafruit Si5351 module is barely usable.

JLC PCBA files

• Gerbers
• BOM
• CPL

PCB render

BOM Sources

• https://www.lcsc.com/ - MS5351M

• https://www.comkey.in/ - SMD passives

• https://www.ktron.in/ - SMA connectors for cheap

• https://www.semikart.com/ - TCXOs

Note: International buyers can buy from DigiKey or Mouser.

Credits

• Sambhu Dharmadevan (VU3KQF)

• Dhiru Kholia (VU3CER)

Supported TCXO Modules

• [DEFAULT] KDS Daishinku 1XTW26000MAA

• Jauch Quartz O 25,0-JT32C-A-K-3,3-LF

• Abracon ASTX-H11-25.000MHZ-T