en.Wedoany.com Reported - Q-Tech Corporation has introduced the next-generation QT25HF Lamb Wave Oscillator (LWO) and QT25VHF Voltage Controlled Lamb Wave Oscillator (VCLWO), offering high stability and ultra-low phase noise across the 400MHz to 1.3GHz RF range. This product series is designed to surpass typical Surface Acoustic Wave (SAW) resonator solutions, delivering precise frequency control over a wider temperature range, making it suitable for harsh environments in aerospace, defense, and industrial applications.
Compared to the typical SAW stability of 250ppm over -40°C to +85°C, the QT25 Lamb Wave Oscillator improves frequency stability by an order of magnitude, significantly enhancing system performance. Covering frequencies from 400MHz to 1.3GHz, the product is optimized for low-phase-noise high-frequency applications while incorporating the temperature stability of crystal oscillators. Over the -55°C to +125°C temperature range, the QT25HF LWO achieves stability of ±50ppm, and as low as ±20ppm over -20°C to +70°C.
In terms of phase noise, the oscillator features a phase noise floor of -168 dBc/Hz, enabling purer spectral purity and lower jitter in sensitive RF chains. Based on published data, the integrated RMS jitter for a 500MHz SAW or LWO is 8.08 femtoseconds. The product delivers excellent stability at frequencies well above standard crystal oscillators, making it ideal for applications with stringent requirements on size, efficiency, and thermal robustness.
Fred Wolff, Director of Business Development at Q-Tech, stated that customers have long sought frequency sources combining GHz-level operation with XO stability. This product introduces guided wave innovation into practical designs while simplifying integration and reducing lifecycle risk, providing a plug-and-play path to better RF performance and simpler certification. Q-Tech showcased these products at IMS 2026 in Boston this week.
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