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A broadband dual-polarized oval-shaped antenna for base station applications is presented. The proposed antenna have two pairs of oval-shaped dipoles, which will widen the impedance bandwidth. The proposed oval-shaped antenna achieves a wide impedance bandwidth of 48.6% (1.68–2.76GHz) for SWR<1.5 at both ports and isolation between ports over 27dB. The antenna have a measured gain of 8.23±0.65dBi...
To improve the output power and electron efficiency and broaden the operating bandwidth, the three-gap extended output cavity was used in the relativistic klystron to replace the single-gap output cavity. The high-frequency characteristics of the three-gap extended cavity were studied. The electron load conductance was derived and corrected based on the theory of relativity, by which a more accurate...
In this paper, an open-stub compesation technique is proposed for passive equalizers used in high-speed digital communication systems. By simply lumping an open-stub to the conventional RL-type passive equalizer, the frequency-dependent channel loss from the long transmission path can be compensated, the frequency response of the channel becomes more flat and the bandwidth is wider. Compared proposed...
In this paper, an open-stub compesation technique is proposed for passive equalizers used in high-speed digital communication systems. By simply lumping an open-stub to the conventional RL-type passive equalizer, the frequency-dependent channel loss from the long transmission path can be compensated, the frequency response of the channel becomes more flat and the bandwidth is wider. Compared proposed...
In this paper, we propose an open-stub compensation technique for passive equalizers used in high-speed digital communication systems. By simply lumping an open-stub to the conventional RL-type passive equalizer, the frequency-dependent channel loss from the long transmission path can be compensated, the frequency response of the channel becomes more flat and the bandwidth is wider. Compared proposed...
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