This is a mystery microwave device. It has four terminals and the cylindrical body connects to a waveguide flange.The /MR possible refers to the EMI valve division at Ruislip.
The connections three and four.
This end the connections are marked one and two.
The waveguide flange with matching screw at the front. Further within look to be two rods separated by a small gap.The wide metal tube envelope is 26 mm in diameter, and excluding the base pins is 75 mm tall.Reference: Observation. |
Updated July 22, 2025.
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