Uncertainty Evaluation of a Broadband Attenuation Standard

We have recently developed a standard step attenuator, composed of 10 steps of build-up chain of power measurement and operating from 10 MHz to 18 GHz. Each step shows a nominal attenuation of about 9 dB and an expanded uncertainty of 0.0018 dB at 30 MHz. The overall system has a dynamic range over...

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Bibliographic Details
Main Authors: Joo-Gwang Lee, Jeong-Hwan Kim, Jeong-Il Park, Ung-Taeg Kang
Format: Conference Proceeding
Language:English
Subjects:
Attenuation measurement
Attenuators
Dynamic range
Frequency
Measurement standards
Mixers
Standards development
Switches
Thermistors
Uncertainty
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Description
Summary:We have recently developed a standard step attenuator, composed of 10 steps of build-up chain of power measurement and operating from 10 MHz to 18 GHz. Each step shows a nominal attenuation of about 9 dB and an expanded uncertainty of 0.0018 dB at 30 MHz. The overall system has a dynamic range over 90 dB
DOI:10.1109/CPEM.2004.305427