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This paper presents the latest results from a second harmonic gyro-TWA experiment at Strathclyde University. The experiment uses a helically corrugated interaction region and operates at Ka-band. Simulations have been performed to predict the amplifier gain and bandwidth using linear theory. Amplifier stability margin can be improved with the addition of a sever. A sever has been designed and manufactured,...
Studies are presented of a series of computer simulations, using CST (Microwave Studio), of waveguide components for a Ka-band (26–40GHz) gyro-TWA. Each component has a range of operation that can be optimised through observations of the S-parameters and the phase data, while altering geometric parameters in the simulations. This approach allows optimum performance of mm-wave gyro-TWAs.
The results are presented of a series of CST Microwave Studio computer simulations of waveguide components for a gyro-TWA operating in the Ka-band (26.5-40GHz) frequency range. The components studied include circular to helical waveguide transitions and microwave severs.
We present the results of a series of CST Microwave Studio computer simulations of waveguide components for a gyro-TWA operating in the Ka-band (26.5-40GHz) frequency range. The components studied include circular to helical waveguide transitions and microwave severs.
The results of 3-fold helically corrugated waveguide microwave pulse compression experiments are presented. A pulse of 80 ns duration having a power of 5.6 kW is compressed into a 140 kW peak power pulse of 1.5 ns duration. To enhance the power capabilities of the microwave pulse compressor a larger diameter 5fold helical waveguide structure was studied; the eigenwave dispersion is discussed using...
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