Experimental investigation of a high power, two-cavity, 35 GHz gyroklystron amplifier

Experiments on a two-cavity gyroklystron amplifier are performed to demonstrate high power coherent radiation amplification at 34.95 GHz. Experiments show a saturated efficiency of 37%, a bandwidth of 0.36%, and a gain of 23.6 dB corresponding to peak radiation output power of 210 kW. Experimental r...

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Bibliographic Details
Published in:IEEE transactions on plasma science 1998-06, Vol.26 (3), p.416-425
Main Authors: Choi, J.J., McCurdy, A.H., Wood, F.N., Kyser, R.H., Calame, J.P., Nguyen, K.T., Danly, B.G., Antonsen, T.M., Levush, B., Parker, R.K.
Format: Article
Language:English
Subjects:
Bandwidth
Electric power
Frequency
High power amplifiers
Klystrons
Laboratories
Microwaves
Millimeter wave circuits
Millimeter wave radar
Millimeter wave technology
Plasma materials processing
Radar applications
Radiation
Receivers & amplifiers
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Summary:Experiments on a two-cavity gyroklystron amplifier are performed to demonstrate high power coherent radiation amplification at 34.95 GHz. Experiments show a saturated efficiency of 37%, a bandwidth of 0.36%, and a gain of 23.6 dB corresponding to peak radiation output power of 210 kW. Experimental results are in good agreement with large signal simulations. Calculations also show that a stagger-tuned three-cavity circuit increases the bandwidth to more than 0.9%.
ISSN:0093-3813
1939-9375
DOI:10.1109/27.700773