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Super-heterodyne interferometer for non-contact dielectric measurements on millimeter wave material

This paper describes the use of AD8302 evaluation board from Analog Devices in superheterodyne millimeter wave interferometer for dielectric measurement. The measurements are performed without direct contact on the millimeter wave material. Signals from the output of two mixers in the interferometer...

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Bibliographic Details
Main Authors: Hock G.C., Chakrabarty C.K., Badjian M.H., Devkumar S., Emilliano
Other Authors: 16021614500
Format: Conference paper
Published: 2023
Subjects:
Dielectric constant and millimeter wave
Interferometer
Phase sensitive detector
Superheterodyne
Data processing
Heterodyning
Interferometers
Microwaves
Millimeter waves
Permittivity
Analog devices
Dielectric constants
Dielectric measurements
Direct contact
Evaluation board
Graphical programming language
Heterodyne interferometer
LabViEW
Non-contact
Phase angles
Phase sensitive detectors
Phase-shifting
Millimeter wave devices
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Summary:This paper describes the use of AD8302 evaluation board from Analog Devices in superheterodyne millimeter wave interferometer for dielectric measurement. The measurements are performed without direct contact on the millimeter wave material. Signals from the output of two mixers in the interferometer were obtained for phase shifting analysis. They are used as inputs to the evaluation board. The output from the evaluation board was connected to computer for data processing. The voltage values obtained from the board was then converted to phase angle by using the pre-calibrated data and LabView� graphical programming language. � 2008 IEEE.

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