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ID = 22804
Brand: BBC - Brown Boveri; Switzerland
Tube type:  Transmitting Triode, air cooled 
Identical to BTL1-1

Base SPECIAL TUBEBASE in general
Was used by Transmittertube (Radio)
Filament Vf 7.5 Volts / If 20 Ampere / Direct

VHF transmitting triode. External anode with integral radiator, tungsten filament.

  • 4 kV plate voltage
  • 1 kW plate power dissipation with forced-air cooling
  • 220 MHz max operating frequency full ratings

Used among the others in the Rohde & Schwarz FM transmitter VU 1-87 made in the early fifties.

Dimensions (WHD)
incl. pins / tip
72 x 130 x mm / 2.83 x 5.12 x inch
Weight 1000 g / 35.27 oz
Information source Schweizer Elektronenröhren 1917-2003, Willi E.   Seite 54
- - Manufacturers Literature   

btl1_1so1.png BTL1-1: orig. data sheet BBC
Anonymous 10 Collector

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BTL1-1: orig. data sheet BBC
Anonymous 10 Collector

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