A 64μs Start-Up 26/40MHz Crystal Oscillator with Negative Resistance Boosting Technique Using Reconfigurable Multi-Stage Amplifier
A 64μs Start-Up 26/40MHz Crystal Oscillator with Negative Resistance Boosting Technique Using Reconfigurable Multi-Stage Amplifier
复制标题
采用可重构多级放大器的负阻升压技术的 64μs 启动 26/40MHz 晶体振荡器
DOI：
10.1109/vlsic.2018.8502281
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发表时间：
2018
期刊：
影响因子：
--
通讯作者：
A. Matsuzawa
中科院分区：
文献类型：
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作者：
M. Miyahara;Yukiya Endo;K. Okada;A. Matsuzawa
本文提出了一种用于物联网无线通信的低能耗、快速启动的26/40 MHz晶体振荡器。在启动期间，通过使用可重构多级放大器来提高负电阻以减少启动时间。在多级放大器中实现的可变前馈路径可以克服传统的负电阻限制。在40 MHz振荡下，该晶体振荡器的启动能量为37.2 nJ，启动时间为64 μs。
This paper presents a low-energy and quick start-up 26/40 MHz crystal oscillator for IoT wireless communications. The negative resistance is boosted to reduce the start-up time by using a reconfigurable multi-stage amplifier during the start-up period. A variable feedforward path implemented in the multi stage amplifier can overcome a conventional limitation of the negative resistance. At 40 MHz oscillation, the proposed crystal oscillator fabricated in 65 nm CMOS demonstrates a start-up energy and time of 37.2 nJ and 64 μs, respectively.