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arXiv 2104.00627physics.ins-det
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超低电源电压晶体石英振荡器

Ultra-low supply voltage crystal quartz oscillator

A. M. Korolev, V. M. Shulga, O. G. Turutanov

摘要:

提出了一种超低压石英晶体振荡器。其设计方法基本上是基于使用HEMT工作在不饱和直流区和石英谐振器作为谐振阻抗Transformer。25 MHz样机在低于17 mV的电源电压下显示稳定振荡,功耗低至300 nW,即,1-2数量级低于其他迄今振荡器。这种方法非常适合构建超低功耗无线电设备,包括那些在低温下工作的设备。

英文摘要:

An ultra-low-voltage crystal quartz oscillator is proposed. The approach to its design is essentially based on using a HEMT operating in unsaturated dc regime and a quartz resonator as a resonant impedance transformer. The 25 MHz prototype shows steady oscillations at the supply voltage of less than 17 mV and the power consumption as low as 300 nW, i.e., 1-2 orders of magnitude lower than other to-date oscillators. This approach is good for building ultra-low consumption radio devices including those working at low temperatures.

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