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Displaying records 71 to 80 of 88 records.
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Topic: Microwave Measurement Services
Published: 11/30/2007
Authors: James Paul Randa, Ken Wong, Roger Pollard
Abstract: Results are presented for simulations of a verification process for noise-parameter measurements. The verification process consists of first measuring separately both a passive device and the amplifier or transistor of interest (the DUT) and then mea ...

72. Scattering of microwaves in thin metallic films near the metal - non-metal transition
Topic: Microwave Measurement Services
Published: 9/15/2014
Author: Jan Obrzut
Abstract: We present measurements demonstrating significant scattering of microwaves in a thin metal films near the metal ‹ non-metal percolation transition. Gold films 3 nm to 12 nm thick were characterized using patterned coplanar waveguides over a frequenc ...

73. Simulations of Noise-Parameter Uncertainties
Topic: Microwave Measurement Services
Published: 6/7/2002
Author: James Paul Randa
Abstract: This paper reports results for uncertainties obtained using a Monte Carlo simulation of noise-parameter measurements. The simulator permits the computation of the dependence of the uncertainty in the noise parameters on uncertainties in the underlyin ...

74. Sources of Error in Coplanar Waveguide TRL Calibrations
Topic: Microwave Measurement Services
Published: 12/1/1999
Authors: Raian K. Kaiser, Dylan F Williams
Abstract: This paper explores the impact of five sources of systematic error on coplanar waveguide thru-reflect-line calibrations.

75. Stability Measurements on Noise Sources
Topic: Microwave Measurement Services
Published: 4/1/2001
Authors: James Paul Randa, L. A. Terrell, Lawrence P. Dunleavy

76. StatistiCAL Vector-Network-Analyzer Calibration Software
Topic: Microwave Measurement Services
Published: 6/1/2003
Authors: Dylan F Williams, Jack Wang, Uwe Arz
Abstract: StatistiCAL is a new freeware package for calibrating vector network analyzers (VNAs) developed at the National Institute of Standards and Technology (NIST).

77. Switched-Coupler Measurements for High Power FR Calibrations
Topic: Microwave Measurement Services
Published: 3/1/2000
Author: J. W. Allen
Abstract: Calibration of RF power sensors at levels greater than 10 mW and uncertainties on the order of 2 % need not require complex calorimetric methods. Using a series of cascaded directional couplers makes it possible to compare a high-power RF sensor agai ...

78. Temperature Control of Microfluidic Systems by Microwave Heating
Topic: Microwave Measurement Services
Published: 5/5/2005
Authors: Siddarth Sundaresan, Brian J. Polk, Darwin R Reyes-Hernandez, M Rao, Michael Gaitan

79. The 30/60 MHz Tuned Radiometer - The NIST System for Noise Temperature Measurements
Series: Technical Note (NIST TN)
Report Number: 1525
Topic: Microwave Measurement Services
Published: 5/1/2002
Authors: Chriss A. Grosvenor, Robert L Billinger
Abstract: The NIST Noise Project has completed reconstruction of their 30/60 MHz tuned, coaxial (Type N) radiometer system. This system is used at low frequencies where isolators are impractical to incorporate. Without isolators, the ambient and cryogenic stan ...

80. The Automatic Radio Frequency Techniques Group Conference on Characterization of Broadband Telecommunications Components and Systems
Series: Journal of Research (NIST JRES)
Topic: Microwave Measurement Services
Published: 12/1/1997
Authors: Roger Marks, G. D. Alley

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Looking for a NIST Special Publication (NIST SP Series)? Place the series number and dash in the report number field (Example: 800-) and begin your search.

  • SP 250-XX: Calibration Services
  • SP 260-XX: Standard Reference Materials
  • SP 300-XX: Precision Measurement and Calibration
  • SP 400-XX: Semiconductor Measurement Technology
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  • SP 700-XX: Industrial Measurement Series
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  • SP 823-XX: Integrated Services Digital Network Series