- Low-Noise Waveguide-Type NbN/AlN/NbN SIS Mixers Approaching Terahertz Frequencies
[作者:Shan, WL; Takeda, M; Kojima, T; Uzawa, Y; Shi, SC; Noguchi, T; Wang, Z,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:841-848 , 文章类型: Article,,卷期:2010年58-4]
- In this paper, we present the development of low-noise waveguide mixers with NbN/AlN/NbN tunnel junctions at a frequency approaching 1 THz. The mixer was designed to be compatible with MgO substrate. Mixers of the presen...
- Broadband Five-Port Direct Receiver Based on Low-Pass and High-Pass Phase Shifters
[作者:Perez-Lara, P; Molina-Fernandez, I; Wanguemert-Perez, JG; Rueda-Perez, A,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:849-853 , 文章类型: Article,,卷期:2010年58-4]
- A simple five-port direct receiver achieving broadband performance and high local oscillator to RF isolation is presented. The new circuit comprises three power detectors exhibiting high series impedance, four resistors,...
- A 3-5-GHz UWB Front-End for Low-Data Rate WPANs in 90-nm CMOS
[作者:Cavallaro, M; Sapone, G; Giarrizzo, G; Italia, A; Palmisano, G,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:854-865 , 文章类型: Article,,卷期:2010年58-4]
- A 3-5-GHz ultra-wideband front-end for low-data rate wireless personal area networks is presented in this paper. The circuit, fabricated in a 90-nm CMOS technology, includes a Gaussian-envelope carrier-based transmitter,...
- Linearization of Efficiency-Optimized Dynamic Load Modulation Transmitter Architectures
[作者:Cao, HY; Nemati, HM; Tehrani, AS; Eriksson, T; Grahn, J; Fager, C,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:873-881 , 文章类型: Article,,卷期:2010年58-4]
- In this paper, a detailed linearization procedure for dynamic load modulation (DLM) transmitter architectures is proposed for the first time. Compared with the conventional single-input/single-output digital predistortio...
- A New Type of Periodically Loaded Half-Mode Substrate Integrated Waveguide and Its Applications
[作者:Wu, LS; Zhou, XL; Yin, WY; Liu, CT; Zhou, L; Mao, JF; Peng, HL,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:882-893 , 文章类型: Article,,卷期:2010年58-4]
- A new type of half-mode substrate integrated waveguide (SIW) periodically loaded with different lumped elements and structures is proposed in this paper. The propagation constants, Bloch impedances, and voltage distribut...
- Stability Analysis of Nonlinear Circuits Driven With Modulated Signals
[作者:Ramirez, F; Suarez, A; Lizarraga, I; Collantes, JM,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:929-940 , 文章类型: Article,,卷期:2010年58-4]
- Existing methods for the large-signal stability analysis of microwave circuits assume a periodic excitation, usually consisting of a single tone. However, practical circuits such as power amplifiers will generally be dri...
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