The VX5087 is a high power, water cooled amplifier klystron. It operates at 2.75 - 3.25 GHz and produces a peak output pulse of 4.5 mW. The average power is 12 kW.
In the Type 85 radar a bank of 12 of these Klystrons would be used.
The paper identification label in the Henlow Signals Museum.
The valve is around 2m tall with several cavities along the length.
The information sheet at the museum. The meters on the panel are for A1 coil current and B1 coil current.
Side view showing the interconnecting straps and capped connections.
The envelope is mm in diameter and, excluding the base pins, is mm tall.
