20MHz 5mm x 7mm TCXO Design


This complete TCXO example uses a 20MHz fundamental AT-Cut crystal and Hexius Semiconductors’ TM100 (alternative to AKM solutions) and utilizes its internal varicap and internal oscillator regulator. This reference design is a low cost TCXO configuration that achieves < 100ppbb stability.

Currently in development. Please join our communications list to receive notifications when we release this design!


  • < 100ppb Frequency Stability
  • Low Phase Noise
  • Low Cost



PCB Files

Bill of Materials

IC Configuration