- Low-DC Voltage-Controlled Steering-Antenna Radome Utilizing Tunable Active Metamaterial
[作者:Jiang, T; Wang, ZY; Li, D; Pan, JN; Zhang, B; Huangfu, JT; Salamin, Y; Li, CZ; Ran, LX,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:170-178 , 文章类型: Article,,卷期:2012年60-1]
- In this paper, we experimentally realized a steering antenna using a type of active metamaterial with tunable refractive index. The metamaterial is realized by periodically printed subwavelength metallic resonant pattern...
- The Performance of a Fiber-Optic Link Using Unbiased Balanced Photodiodes for Antenna Array Calibration
[作者:Diehl, JF; Urick, VJ; McDermitt, CS; Bucholtz, F; Devgan, PS; Williams, KJ,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:195-200 , 文章类型: Article,,卷期:2012年60-1]
- A quadrature-biased dual-output Mach-Zehnder modulator is used to drive unbiased balanced photodiodes for use in antenna array applications. The RF gain is measured as a function of frequency and photocurrent. Balanced p...
- Switching Behavior of Class-E Power Amplifier and Its Operation Above Maximum Frequency
[作者:Jee, S; Moon, J; Kim, J; Son, J; Kim, B,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:89-98 , 文章类型: Article,,卷期:2012年60-1]
- The switching behavior of Class-E power amplifiers (PAs) is described. Although the zero voltage switching can be performed properly, the C-out charging process at the switch-off transition cannot be abrupt and the wavef...
- Multi-Mode Coupling Wave Theory for Helically Corrugated Waveguide
[作者:Zhang, L; He, WL; Ronald, K; Phelps, ADR; Whyte, CG; Robertson, CW; Young, AR; Donaldson, CR; Cross, AW,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:1-7 , 文章类型: Article,,卷期:2012年60-1]
- Helically corrugated waveguide has been used in various applications such as gyro-backward wave oscillators, gyro-traveling wave amplifier and microwave pulse compressor. A fast prediction of the dispersion characteristi...
- Compact Wideband Linear CMOS Variable Gain Amplifier for Analog-Predistortion Power Amplifiers
[作者:Huang, YY; Woo, WY; Jeon, H; Lee, CH; Kenney, JS,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:68-76 , 文章类型: Article,,卷期:2012年60-1]
- To predistort the signal of an analog-predistortion power amplifier system, this paper proposes a variable gain amplifier (VGA) topology that gives an optimized linearity and bandwidth performance while having a continuo...
- Conformal Ink-Jet Printed C-Band Phased-Array Antenna Incorporating Carbon Nanotube Field-Effect Transistor Based Reconfigurable True-Time Delay Lines
[作者:Chen, MY; Pham, D; Subbaraman, H; Lu, XJ; Chen, RT,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:179-184 , 文章类型: Article,,卷期:2012年60-1]
- We present a conformal ink-jet printed 2-bit four-element phased-array antenna (PAA) without any lithography process. Passive and active components, such as microstrip transmission lines, phase shifters, and RF power dis...
- A 50-Mb/s CMOS QPSK/O-QPSK Transmitter Employing Injection Locking for Direct Modulation
[作者:Diao, SX; Zheng, YJ; Gao, Y; Cheng, SJ; Yuan, XJ; Je, MY; Heng, CH,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:120-130 , 文章类型: Article,,卷期:2012年60-1]
- A 50-Mb/s quadrature phase-shift keying (QPSK)/offset quadrature phase-shift keying (O-QPSK) transmitter suitable for biomedical high-quality imaging application is presented. Centered at 915 MHz, the phase modulation is...
- A Dual-Mode CMOS RF Power Amplifier With Integrated Tunable Matching Network
[作者:Yoon, Y; Kim, J; Kim, H; An, KH; Lee, O; Lee, CH; Kenney, JS,期刊:IEEE Transactions on Microwave Theory and Techniques, 页码:77-88 , 文章类型: Article,,卷期:2012年60-1]
- A dual-mode CMOS power amplifier (PA) with an integrated tunable matching network is presented. A switched capacitor is fully analyzed to implement a tunable matching network in terms of power-handling capability, tuning...
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