Summary
A tetrode, manufactured by Philips, probably in Holland, introduced in 1932. It was used as a radio frequency amplifier.
It uses 2 Volts at 180 mA, with a directly heated cathode.
Tetrode (or screen grid tube) was used in high frequency amplification. Feed back from anode to control grid was virtually eliminated by uising a screen grid between them.
Physical Description
Four pin base with top cap missing.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from J. Kleesman, 17 Feb 1972
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Manufacturer
Philips (N.V. Philips Gloeilampenfabrieken), Holland, Netherlands, 1932
The valve was maufactured by Philips, probably in Holland. -
Inscriptions
PHILIPS MINIWATT B262
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
125 mm (Length), 48 mm (Outside Diameter)
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References
[Book] Stewart, Finlayson (Fin). 1995. Illustrated History of Philips Radio Valves to 1935., 1995, 43 Pages
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Keywords
