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Gunn oscillator injection locking circuit at millimeter wave frequencies
This item is provided by the institution :
National Technical University of Athens
Repository :
Digital Library of National Technical University of Athens | Dspace@NTUA
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ΕΚΤ item type
Journal part
(EN)
Scientific article
(EN)
EKT year
1995
(EN)
EKT historical period
Title
Gunn oscillator injection locking circuit at millimeter wave frequencies (EN)
Creator
Vlassopoulos, NV (EN)
Stratakos, GE (EN)
Uzunoglu, NK (EN)
Capsalis, CN (EN)
Description
Millimeter wave frequencies are proposed as carriers of microcell future mobile systems. High frequencies in the region of 60-62 Ghz are suggested. A serious difficulty in this context is the lack of sufficient gain in active devices. Both on receiver and transmitter units this difficulty is faced. Mixing, amplification, carrier recovery and modulation / demodulation subsytems are required to be operational at these higher frequencies. Presently the MMIC 's show also limited performance. In this report an alternative approach active processing technique is examined based on an injection locking in Gunn oscillator. A non-linear analysis is applied to determine the fundamental properties of injection locking in Gunn oscillator performance under the influence of an external signal. Details of waveguide action is taken into account by solving the corresponding boundary condition problem. Finally experimental results are presented for a 30GHz oscillator. © 1995 Plenum Publishing Corporation. (EN)
Type
journalArticle (EN)
Subject
Oscillations (EN)
Optics (EN)
Modulators (EN)
Millimeter waves (EN)
Non-linear Analysis (EN)
Boundary Condition (EN)
Demodulators (EN)
Engineering, Electrical & Electronic (EN)
Boundary conditions (EN)
High Frequency (EN)
Frequencies (EN)
Mixer circuits (EN)
Millimeter Wave (EN)
Physics, Applied (EN)
Injection Locking (EN)
Amplification (EN)
Gunn oscillator injection locking circuit (EN)
Problem solving (EN)
Signal processing (EN)
Waveguides (EN)
Carrier recovery (EN)
Mobile Systems (EN)
Performance (EN)
Gunn oscillators (EN)
Mobile telecommunication systems (EN)
Provider
National Technical University of Athens
Repository / collection
Digital Library of National Technical University of Athens | Dspace@NTUA
Subcollections
Κεντρική Βιβλιοθήκη Ε.Μ.Π.
Ιδρυματικό Αποθετήριο
Δημοσιεύσεις μελών Δ.Ε.Π. σε περιοδικά
Journal
International Journal of Infrared and Millimeter Waves (EN)
Language
English
Issued
1995 (EN)
Identifier
http://hdl.handle.net/123456789/11543
0195-9271 (EN)
1367 (EN)
16 (EN)
10.1007/BF02069550 (EN)
8 (EN)
ISI:A1995RQ78500009 (EN)
1392 (EN)
Publisher
Kluwer Academic Publishers-Plenum Publishers (EN)
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