用于生物医学植入物的低噪声注射锁定环形振荡器

2022 IEEE 9th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT) Pub Date : 2022-05-28 DOI:10.1109/SETIT54465.2022.9875516

Nadia Gargouri, M. Samet, Z. Sakka

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引用次数: 1

摘要

本文介绍了一种用于生物医学植入物的注射锁环振荡器(ILRO)。为了提高环形振荡器的性能和消除相位噪声，需要一种脉冲注入锁定方法。此外，频率控制独立于偏置电路，使用反转模式MOS压控电容器(变容管)。该ILRO采用0.18 μm CMOS设计，工作在902-928 GHz的ISM频段，在1.8V电源下功耗为4.62 mW。在76 MHz输入注入脉冲下，在1mhz偏置频率下得到-121.6dBc /Hz的相位噪声。该电路可实现-174.19 dBc/Hz的波形。

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A Low-Noise Injection-Locked Ring Oscillator for biomedical implants applications

This paper presents an Injection Locked Ring Oscillator (ILRO) for use in biomedical implants applications. A pulse injection locking method has been desired for ring oscillator performance enhancement and phase noise cancellation. In addition, the frequency is controlled independently of the biasing circuit using an inversion mode MOS voltage controlled capacitor (varactor).Designed in a 0.18-μm CMOS, this ILRO works inthe ISM band of 902–928 GHz and consumes a lowpower of 4.62 mW under 1.8V power supply. The phase noise of -121.6dBc /Hz at 1MHzoffset frequency was obtained at 76 MHz inputinjection pulse.The proposed circuit can achieve a FoM of -174.19 dBc/Hz.

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2022 IEEE 9th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT)

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