Ultra-miniature quartz crystals meet implantable-device needs

Ultra-miniature quartz crystals meet implantable-device needs

New Products |
By Graham Prophet

The CX16, CX18 and CX20 series are ultra-miniature devices operating in the 16 MHz and above frequency range requested by BLE transceiver ICs. Measuring 2.0 x 1.2 mm and 0.43 mm high, offering frequencies from 24 to 50 MHz, the CX16’s resonator is manufactured using photolithographic and chemical milling processes then sealed in a ceramic package for high stability and low ageing. CX16 crystals are available with tight calibration tolerances and high stability over temperature plus fast start-up times.


Medical applications include medical telemetry, pacemakers, defibrillators, neurostimulators, infusion pumps and cochlear implants. Additional characteristics include high shock and vibration survival with full military testing also available for defence and aerospace applications.


Smaller still is the CX18 series measuring 1.6 x 1 x 0.38 mm and offering frequencies from 30 to 50 MHz. With its ultra-light weight of just 1.8 milligrams, the CX18 series is suited to similar medical applications as the CX16 as well as military and aerospace applications such as missile telemetry, ruggedised communications, aircraft electronics and smart munitions with full military screening available. CX18 series crystals are also suitable for a range of industrial and communications applications such as bio-tracking, process control and portable instrumentation.


Statek CX20 telemetry crystals have footprint of 2.5 x 1.2 mm and height of 0.5 mm with frequency range from 16 to 50 MHz. Applications encompass ultra-low power wireless communications, implantable transceivers for medical sector with smart munitions, guidance and navigation and communications in military and defence. These crystals can also be used in industrial communications, transmitters, pulse generators, tracking beacons and wildlife telemetry.


All three ranges are available with commercial (-10 to +70°C), industrial (-40 to +80°C) and military (-55 to +125°C) operating temperature ranges.





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