Abracon recommends following the recommended PCB layout guidelines in the application note AN-03, which includes using a solid ground plane, minimizing trace lengths, and using 50-ohm transmission lines for clock signals.
To ensure reliable startup, Abracon recommends using a high-quality crystal with a sufficient drive level, ensuring the PCB layout is optimized for the oscillator, and using a suitable capacitor value for the load capacitors (CL1 and CL2).
The APARM1804-SG3 is rated for operation from -40°C to +85°C, but it's essential to note that the device's performance may degrade at higher temperatures, and the crystal oscillator's frequency may drift.
While the APARM1804-SG3 is designed to be robust, it's still a sensitive electronic component. Abracon recommends following proper mounting and soldering techniques, and considering additional mechanical protection (e.g., potting or conformal coating) for high-vibration applications.
Abracon recommends checking the PCB layout, ensuring the crystal and load capacitors are properly connected, and verifying the power supply voltage is within the recommended range. If issues persist, consult the application note AN-03 for additional troubleshooting steps.
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