基于三阶锁相环的后向波振荡器的相位噪声

2012 International Conference on Microwave and Millimeter Wave Technology (ICMMT) Pub Date : 2012-05-05 DOI:10.1109/ICMMT.2012.6230246

Yuanci Gao

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引用次数: 0

摘要

介绍了基于三阶锁相环的后向波振荡器(BWO)的分析、设计和相位噪声测量过程。该设计采用电荷泵锁相环路IC和谐波混频器，并结合将BWO锁定到Tek 2782频谱分析仪的频谱分析仪。我们采用GPIB电缆将频谱分析仪与计算机连接，并在屏幕上使用Labview程序创建虚拟仪器。测量了锁相BWO的SSB相位噪声，在135 GHz ~ 160 GHz频率范围内的典型值优于偏移频率1 kHz时的63 dBc/Hz。

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Phase noise of the Backward-wave oscillator based on a 3rd order PLL

The processing of analysis, design and phase noise measurement of the Backward-wave oscillator (BWO) based on a 3rd order PLL is presented in this paper. The design utilizes a Charge-pump Phase-locked loop IC and a harmonic mixer in conjunction with a spectrum analyzer locking the BWO to a Tek 2782 spectrum analyzer. We adopt a GPIB cable connecting the spectrum analyzer to a computer and created a virtual instrument by Labview program on the screen. The SSB phase-noise of this Phase locked BWO was measured and the typical value in the frequency range 135 GHz to 160 GHz is better than 63 dBc/Hz at offset frequencie 1 kHz.

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2012 International Conference on Microwave and Millimeter Wave Technology (ICMMT)

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