Summary
Tetrode type UX222, the first type of screen grid (Tetrode) valve introduced by RCA in 1927.
Used as a Class A R. F. amplifier.
Manufacturer: RCA Radiotron Co., Harrison, NJ, USA.
3.3 V directly heated cathode.
Physical Description
Conical bulb with 4 pin UX style base with top cap. Mounted on display block with ST 17823.
More Information
-
Collection Names
-
Collecting Areas
-
Acquisition Information
Donation from Amalgamated Wireless (Australasia) Ltd, 01 Nov 1930
-
Manufacturer
RCA Radiotron Co., Inc., Harrison, New Jersey, United States of America, circa 1928
-
Inscriptions
Bulb: (RCA logo) Base: (RCA logo)/Raditron/UX222
-
Brand Names
-
Classification
-
Category
-
Discipline
-
Type of item
-
Overall Dimensions
126 mm (Length), 45 mm (Outside Diameter)
-
Keywords
