G-811, Г-811, G811, Г811  Generator triode USSR Soviet 

high power direct heated triode tube.

G-811 triode generator is designed to work in the generator mode in radio devices of wide application.

Scope of application: radio amplifying equipment, medical equipment.

Technical characteristics of G-811:

The operating frequency is 60 MHz.

Heater voltage - from 6 V to 6.6 V.

Anode voltage - 1250 V.

Grid voltage - 0 V.

Power dissipated by the anode - 40 watts.

Resistance - 2 kΩ.

Anode current - 125 mA.

Filament current - from 3.75 A to 4.25 A.

The grid current is 50 mA.

 

The gain at grid voltages of 0 and -2 V and at anode current of 20 mA is from 144 to 176.

The anode current at anode voltage of 2 kV and -2 V grid is from 16 mA to 36 mA.

 

Interelectrode capacities of products of the G-811 radio lamp:

- input - from 4.5 pF to 6.5 pF;

- output - from 0.4 pF to 0.8 pF;

- checkpoint - from 4.8 pF to 6.2 pF.

 

Output power at anode voltage of 1.5 kV, anode current 150 mA:

- at a frequency of up to 15 MHz - not less than 135 W;

- at a frequency of 60 MHz - not less than 125 watts.

working position - vertical.

The cathode is a tungsten filament.

Design - glass with plinth.

 

Dimensions:

- height - no more than 167 mm;

- diameter - not more than 62 mm.

Weight G-811 - not more than 100 g.

 

Made in USSR

   NOS  

LOT 2pcs. 

Thanks And Good luck!