Designed primarily for use as an RF amplifier in radar receivers. 10db of noise at 1Ghz. New old stock * No longer available for export. MFR: RCA SKU: 446A
Designed to be used as a beam power amplifier tube in the output phase of amplifiers. New old stock * No longer available for export. MFR: RCA SKU: 4604
Designed to be used in class A and class C amplifiers and is tested as a frequency doubler at an output frequency of 400Mc. New old stock * No longer available for export. MFR: 5851 SKU: Tung Sol