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Proceedings ArticleDOI
Wojciech Matusik, Hanspeter Pfister 
08 Aug 2004
31 Citations
This system can plug into today’s digital TV broadcast infrastructure and co-exist in perfect harmony with regular TV.
It is shown both analytically and via simulation that using this scheme has two benefits over linear amplifier operation: improved transmitter efficiency by operating the amplifier in compression, and reduced sensitivity to heavy-tailed distributions due to the soft saturation.
The successful first pass design of the W-band MMIC (monolithic microwave integrated circuit) power amplifier is due to the superior device performance and the millimeter-wave monolithic power amplifier design techniques.<<ETX>>
The high-voltage FET amplifier (HVFA) configuration for power amplifier applications in satellite communications and phased-array systems can offer substantial improvement in DC-to-RF conversion efficiency.
The first proposed diode configuration allows a simplified diode to filter/amplifier interface.
In addition, a wideband amplifier is proposed that adopts a novel multiple-feedback cascode FET amplifier configuration with an LC input matching network.
The Dy:chloride gain media appear to have fundamental optical characteristics amenable to superior 1.3 /spl mu/m telecom amplifier performance, although many fabrication issues would have to be addressed to produce a practical amplifier.
The assumed amplifier large-signal characteristics of the active antenna agree with those of the single-stage amplifier.
It is shown how the intermodulation (IM) distortion performance of a small-signal amplifier can be optimized when the amplifier is designed according to available-gain criteria.
The presented mobile multiantenna scanning diversity system for terrestrial TV highly improves the reception in cars making use of four active broadband TV antennas.

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