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Sensibly equivalent to:
CV360 VX3039
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The NE18 is a gas filled power indicator tube. The design use is to indicate peak power in an S-band waveguide.
The indicator can show peak powers in the region of 100 to 200 kW. The frequency of operation is 2.8 GHz but can be used up to 10 GHz but at the top end the waveguide is too small for the indicator.
The red base cap indicates the NE18.
The glass tube running within the metal sleeve has a helical wire within.
The thin glass tube envelope is 5 mm in diameter, and including the base is 119 mm tall.
Reference: Data-sheet.


Absolute Maximum Operating Conditions
General Notes
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated October 14, 2015.
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