Abracon recommends a symmetrical layout with the crystal oscillator placed near the center of the PCB, with minimal routing and no vias under the device. A ground plane under the device is also recommended to reduce noise and radiation.
Store the ARJ-139 in a dry, cool place, away from direct sunlight. If the device is exposed to high humidity or moisture, bake it in a dry oven at 125°C for 24 hours to remove any moisture. Ensure proper handling and packaging during transportation and storage.
The ARJ-139 is rated for operation from -40°C to +85°C. However, the device's frequency stability and accuracy may degrade at extreme temperatures. Consult the datasheet for specific temperature-related specifications.
The ARJ-139 is designed to withstand moderate vibration levels. However, excessive vibration can affect the device's frequency stability and accuracy. If your application involves high vibration, consider using a vibration-resistant oscillator or taking additional measures to secure the device.
Check the PCB layout, power supply, and surrounding components for any issues. Verify that the device is properly soldered and handled. Consult the datasheet and application notes for troubleshooting guidelines. If issues persist, contact Abracon's technical support for assistance.
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