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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >An X-band push-push oscillator with parallel feedback configuration designed by microstrip balanced bandpass filter
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An X-band push-push oscillator with parallel feedback configuration designed by microstrip balanced bandpass filter

机译：具有通过微带平衡带通滤波器设计的并联反馈配置的X波段推送振荡器

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摘要

In this article, a push-push oscillator with parallel feedback configuration designed by the microstrip balanced bandpass filter (BPF) is proposed. The push-push oscillator consists of two sub-oscillators with a balanced BPF. The balanced BPF with the open-circuited stubs exhibits the desired differential-mode frequency response and achieves high common-mode suppression simultaneously. Based on the technique of the balanced BPF, the out-of-phase fundamental signals and odd harmonic signals are canceled out while the even harmonic signals are well combined. The prototype of the push-push oscillator is designed and fabricated. Measured results show that the proposed push-push oscillator works at 9.96 GHz of the second harmonic frequency. The actual output power is -8.57 dBm. The rejection of the fundamental signal and third harmonic signal are better than 27 and 42 dBc, respectively. The phase noise of the proposed push-push oscillator is -128.3 dBc/Hz at 1 MHz frequency offset.
机译：在本文中，提出了一种具有由微带平衡带通滤波器（BPF）设计的具有并联反馈配置的推送振荡器。推送振荡器由两个具有平衡BPF的子振荡器组成。具有开放式短截线的平衡BPF具有所需的差模频率响应，同时实现高共模抑制。基于平衡BPF的技术，在偶数谐波信号合并时消除超相反的基本信号和奇数谐波信号。设计和制造了推送振荡器的原型。测量结果表明，所提出的推送振荡器在二次谐波频率的9.96 GHz下工作。实际输出功率为-8.57 dBm。基本信号和三次谐波信号的拒绝分别优于27和42dBc。所提出的推送振荡器的相位噪声为-128.3 dBc / Hz，在1 MHz频率偏移。

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