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A compact low-phase noise oscillator with superior harmonic suppression characteristics based on novel nested split-ring resonator (NSRR)

机译:基于新型嵌套式开环谐振器(NSRR)的具有卓越谐波抑制特性的紧凑型低相位噪声振荡器

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摘要

In this paper, a novel microwave oscillator incorporating miniaturized nested split-ring resonators is proposed. The high-quality (Q) factor and wide spurious-free band of the NSRR contribute to low-phase noise and high-harmonic suppression of the proposed oscillator circuits. In addition, the NSRR is featured by compact size of 0.12 lambda(g) x 0.12 lambda(g), where lambda(g) is the guided wavelength of resonance frequency. The fabricated 2.4 GHz oscillator has an output power of 11.7 dBm with 5 V DC supply and 10 mA current consumption. The second harmonic suppression is -45.49 dBc, the phase noise is -110 dBc/Hz @ 100 kHz, and the DC-RF conversion efficiency is measured as 30%.
机译:在本文中,提出了一种新型微波振荡器,它集成了小型化的嵌套式开环谐振器。 NSRR的高质量(Q)因子和宽的无杂散带有助于所提出的振荡器电路的低相位噪声和高谐波抑制。此外,NSRR的特点是尺寸紧凑,仅为0.12λ(g)x 0.12λ(g),其中lambda(g)是共振频率的引导波长。制成的2.4 GHz振荡器具有5V直流电源和10mA电流消耗,输出功率为11.7dBm。二次谐波抑制为-45.49 dBc,相位噪声为-110 dBc / Hz @ 100 kHz,测得的DC-RF转换效率为30%。

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