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Bias pulse modulator for a high power Kα band (26–40 GHz) impact oscillator

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Abstract

A pulse, modulator for driving Kα band IMPATT diodes is described, which facilitates chirp control and optimization of oscillator performance by current pulse shaping. Peak powers in excess of 20Watts have been achieved, with a pulse duration of 250ns and 0.1% duty cycle.

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References

  1. Alvin B. Kaufman, “Speedy IMPATT Pulser Protects Against Failure,” Microwaves, June 1981.

  2. Mathias Heller and Heinrich Klar, “A Transistorized Pulse Current Source for TRAPATT Diodes,” NTZ-Aufsatze, April 4 1975.

  3. A.S. Clorfeine, R.D. Hughes and S. Weisbrod, “Low cost Pulsing of Avalanche Diodes,” RCA Review, Vol. 32, September 1971.

  4. T.T. Fong W.R. Lane, H.J. Kuno, N.B. Kramer, “High Power W-Band Pulsed IMPATT Oscillators, “Hughes Aircraft Company Electronics Dynamics Division IEEE International Microwave Symposium, Sandiego California, June 1977.

  5. U.C. Ray, A.K. Gupta and M.N. Sen, “Frequency Chirp in W-band Pulsed IMPATT Oscillators,” International Journal of Infrared and Millimeter Waves, Vol 10, No. 10, 1989.

  6. Y. Bellemare and W.J. Chudobiak, “Thermal and Current Tuning Effects in GaAs High Power IMPATT Diodes”, Proceedings of the IEE, Vol. 67, No 12, December 1979.

  7. H.J. Kuno and T.T. Fong, “Solid State Millimeter-Wave Sources,” 24-2A to 2D EASCON 77.

  8. G.A. Pearson, “Recent Investigations into W-band pulsed IMPATT Oscillator Design,” Thorni EMI, Electronics Ltd, Defence Systems Division, Feltham 1991.

  9. “MOSPOWER Data Book,” Siliconix, Supplied by HB Electronics L.T.d, Lever Street, Bolton BL3 6BJ, England, Published 1988.

  10. “MOSPOWER Applications,” Siliconix Incorporated. Supplied by Macro, Burnham Lane, Slough SL1 6LN, England, Published 1984.

  11. R.E. Collins, “Foundations for Microwave Engineering,” pp. 231–233, McGraw and Hill, Published 1966.

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Authors and Affiliations

  1. Microwave Research Laboratory Department of Physics Royal Holloway College, University of London, TW20 OEX, Egham, Surrey, UK

    P. G. Frayne & C. Nicholls

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  1. P. G. Frayne
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  2. C. Nicholls
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Frayne, P.G., Nicholls, C. Bias pulse modulator for a high power Kα band (26–40 GHz) impact oscillator. Int J Infrared Milli Waves 15, 161–177 (1994). https://doi.org/10.1007/BF02265882

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  • DOI: https://doi.org/10.1007/BF02265882

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