The Accuracy of AM and FM Noise Measurements Employing a Carrier Suppression Filter and Phase Detector (Short Papers)

The accuracy of a commonly used noise-measuring system at microwave frequencies is calculated under actual measuring conditions. Serious deviations are shown to occur, which impose a lower and upper frequency limit on "double-channel" AM and FM noise measurements, respectively.

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1972-10, Vol.20 (10), p.702-703
Main Authors: Fikart, J.L., Jan Nigrin, Goud, P.A.
Format: Article
Language:English
Subjects:
Circuits
Diodes
Filters
Inductors
Microwave oscillators
Noise measurement
Phase detection
Phase frequency detector
Phase noise
Power generation
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Description
Summary:The accuracy of a commonly used noise-measuring system at microwave frequencies is calculated under actual measuring conditions. Serious deviations are shown to occur, which impose a lower and upper frequency limit on "double-channel" AM and FM noise measurements, respectively.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.1972.1127848