Antique radios, Old Time Radios
CV489
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Country:
Great Britain (UK)
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| Identical to |
CV489
= BT75
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
2 Sidecontacts.
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| Was used by |
Military and/or Government |
| Filament |
Vf 2.5 Volts / If 11 Ampere / Indirect |
| Description |
"Gas Modulator". 4-pin jumbo base plus two side screw terminals for filament. Looking at the base measurements for this tube, in the Admiralty Signal and Radar Establishment page for this tube, It appears that the tube base pins have the American "UX" configuration and size. Also the valveholder note (C) confirms this - VHUX432
Xenon Thyratron for use in radar modulator circuits.
Base pins 1 cathode (connected to middle of filament); 2 grid; 3 anode; 4 screen grid
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Dimensions (WHD)
incl. pins / tip |
77 x 175 x 52 mm / 3.03 x 6.89 x 2.05 inch |
| Information source |
-- Original-techn. papers.
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Just Qvigstad
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CV489: Manufacturer's Literature
Emilio Ciardiello
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