Gunn oscillator injection locking circuit at millimeter wave frequencies

 
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1995 (EL)

Gunn oscillator injection locking circuit at millimeter wave frequencies (EN)

Vlassopoulos, NV (EN)
Stratakos, GE (EN)
Uzunoglu, NK (EN)
Capsalis, CN (EN)

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)

journalArticle (EN)

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)


International Journal of Infrared and Millimeter Waves (EN)

Αγγλική γλώσσα

1995 (EN)

0195-9271 (EN)
1367 (EN)
16 (EN)
10.1007/BF02069550 (EN)
8 (EN)
ISI:A1995RQ78500009 (EN)
1392 (EN)

Kluwer Academic Publishers-Plenum Publishers (EN)




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