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NT99Sensibly equivalent¶ to:See also:
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The NT99 is a radar power triode or micropup and was designed for 50 cm operation and with a maximum anode dissipation of 150 Watts. This Type was the most widely used of the micropup pulsed triodes.It was used in the AMES11 600 MHz mobile ground radar used by the RAF. Fire control radar type 284 operating at 600 MHz and used by the Navy. For the 1941 Type 291 radar the modulator was the CV22. It was also used in the AI radar at 200 MHz.The construction is co-axial and the anode is finned to enable forced air cooling. The grid is connected via a depression in the envelope to the left of the picture.The valve is 52 mm in diameter, and excluding the base pins, is 95 mm tall.References: Data-sheet, 1005 & 3002. |
Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vg |
| 6.0 | 6.5 | 8,000 | -31 |
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Updated March 23, 2017.
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