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NT77

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ID = 46112
       
 
   
Tube type:  Transmitting Tetrode, air cooled 
Identical to NT77 = CV50
Predecessor Tubes NT60  

Base Wires
Was used by Radar
Filament Vf 10 Volts / If 68 Ampere / Direct
Description

Silica envelope transmitting tetrode. Similar to NT60 with thoriated tungsten filament. Used in the transmitter of metric radar sets.

4 kV anode voltage
70 A cathode current
7.5 mA / V mutual conductance
90 mm bulb diameter

 
Dimensions (WHD)
incl. pins / tip
200 x 300 x mm / 7.87 x 11.81 x inch
Information source -- Original-techn. papers.   
-- Original prospect or advert   Callick, Metres to Microwaves, pg.37

 
nt77a_1.jpg

NT77
 

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