A high-speed Schottky detector for ultra-wideband communications

Guillermo Silva Valdecasa, Bruno Cimoli, Ángel Blanco Granja, Jesper Bevensee Jensen, Idelfonso Tafur Monroy, Tom Keinicke Johansen, Juan José Vegas Olmos

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

This letter reviews the design procedure of a high‐speed Schottky video detector for high‐data‐rate communications within the ultra‐wideband (UWB) frequencies. The classic design approach for video detectors is extended with a mixer‐like analysis, which results in a more detailed assessment of the detector performance. The designed circuit is reviewed and measurements are provided for a manufactured prototype. The detector can successfully demodulate 2.5 Gbps video signals around a 7 GHz carrier. The bitrate to carrier frequency ratio of 35.7% is the highest reported for detectors at UWB frequencies. Using 0 dBm carrier power, the lowest measured conversion loss is 10 dB for a video frequency of 1.1 GHz and better than 13 dB up to 1.8 GHz.
Original languageEnglish
JournalMicrowave & Optical Technology Letters
Volume59
Issue number2
Pages (from-to)388-393
ISSN0895-2477
DOIs
Publication statusPublished - 2017

Keywords

  • Schottky video detector
  • microwave detector
  • ultra‐wideband
  • envelope detector
  • harmonic balance

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