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Title: Ultra-wideband directional sampler

Abstract

The Ultra-Wideband (UWB) Directional Sampler is a four port device that combines the function of a directional coupler with a high speed sampler. Two of the four ports operate at a high sub-nanosecond speed, in "real time", and the other two ports operate at a slow millisecond-speed, in "equivalent time". A signal flowing inbound to either of the high speed ports is sampled and coupled, in equivalent time, to the adjacent equivalent time port while being isolated from the opposite equivalent time port. A primary application is for a time domain reflectometry (TDR) situation where the reflected pulse returns while the outbound pulse is still being transmitted, such as when the reflecting discontinuity is very close to the TDR apparatus.

Inventors:
 [1]
  1. Livermore, CA
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
OSTI Identifier:
870420
Patent Number(s):
5517198
Assignee:
Regents of University of California (Oakland, CA)
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
ultra-wideband; directional; sampler; uwb; device; combines; function; coupler; speed; ports; operate; sub-nanosecond; time; slow; millisecond-speed; equivalent; signal; flowing; inbound; sampled; coupled; adjacent; isolated; opposite; primary; application; domain; reflectometry; tdr; situation; reflected; pulse; returns; outbound; transmitted; reflecting; discontinuity; close; apparatus; speed sampler; directional coupler; domain reflectometry; equivalent time; time domain; reflected pulse; directional sampler; speed sample; /342/73/375/

Citation Formats

McEwan, Thomas E. Ultra-wideband directional sampler. United States: N. p., 1996. Web.
McEwan, Thomas E. Ultra-wideband directional sampler. United States.
McEwan, Thomas E. Mon . "Ultra-wideband directional sampler". United States. https://www.osti.gov/servlets/purl/870420.
@article{osti_870420,
title = {Ultra-wideband directional sampler},
author = {McEwan, Thomas E},
abstractNote = {The Ultra-Wideband (UWB) Directional Sampler is a four port device that combines the function of a directional coupler with a high speed sampler. Two of the four ports operate at a high sub-nanosecond speed, in "real time", and the other two ports operate at a slow millisecond-speed, in "equivalent time". A signal flowing inbound to either of the high speed ports is sampled and coupled, in equivalent time, to the adjacent equivalent time port while being isolated from the opposite equivalent time port. A primary application is for a time domain reflectometry (TDR) situation where the reflected pulse returns while the outbound pulse is still being transmitted, such as when the reflecting discontinuity is very close to the TDR apparatus.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1996},
month = {1}
}

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