一个24 GHz基于phemt的振荡器

14th International Conference on Microwaves, Radar and Wireless Communications. MIKON - 2002. Conference Proceedings (IEEE Cat.No.02EX562) Pub Date : 2002-08-07 DOI:10.1109/MIKON.2002.1017870

A. Lewandowski, G. Kompa, W. Mwema, W. Wiatr

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引用次数: 1

摘要

提出了一种利用非线性PHEMT模型、负电阻法和描述函数概念设计微波振荡器的系统非线性过程。该方法应用于24ghz振荡器的设计，并在混合技术中实现。测量结果显示-6%的频率偏移，但在输出功率上的一致性是可以接受的。详细分析表明，频移主要是由于设计中使用的微带元件在k波段的CAD模型不充分引起的。

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A 24 GHz PHEMT-based oscillator

Presents a systematic nonlinear procedure for designing microwave oscillators utilising a nonlinear PHEMT model, the negative resistance approach and the describing function concept. The procedure is applied in the design of a 24 GHz oscillator which is then realised in hybrid technology. Measurement results show -6% shift in the frequency but an acceptable agreement in the output power. A detailed analysis shows that the frequency shift arises mainly from inadequate CAD models in the K-band, for the microstrip components employed in the design.

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来源期刊

14th International Conference on Microwaves, Radar and Wireless Communications. MIKON - 2002. Conference Proceedings (IEEE Cat.No.02EX562)

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