Raytheon QK291  
Written by Accutron on 2008-06-26  

The Raytheon QK291 is a small two-cavity Ka-band klystron, mechanically tunable from 33.52GHz to 36.25GHz. The QK291 is a low-power device, with an 18mW average power output.

Raytheon QK291 Ka-band klystron.

The QK291 has two tuning points: a standard tuning mechanism which varies the dimensions between the two resonator cavities, and a second brass knob which performs some sort of waveguide black magic.

This article is part of the [Microwave Amplifier & Oscillator Tubes] exhibit.

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