توضیحات
ГM-70
Modulator triode ГM-70 for operation as an amplifier of low frequency oscillations in modulator circuits
The decoration is glass
The working position is vertical
Weight – 280 g
Main technical parameters of ГM-70 |
|
|---|---|
| at Un = 20 V, Uа = 1.5 kV, Iа = 0.1 A | |
| Filament current |
3.1 ± 0.3 A |
| (Anode current (at Uс = 175 V |
not less than 20 mA |
| (Anode current (at Uс = 200 V |
not less than 80 mA |
| (Emission current (at Un = Us = 0.18 kV |
not less than 0.8 A |
| Reverse grid current |
no more than 40 μA |
| Insulation resistance between anode and other electrodes |
not less than 20 MOhm |
| Insulation resistance between the grid and the rest of the electrodes |
not less than 20 MOhm |
| (Slope of characteristic (at Uа = 0.6 kV, Iа = 0.16 and 0.26 A |
5.9 ± 1.3 mA / V |
| (Gain (at Uа = 1.2 kV, Iа = 125 mA |
6.9 ± 1.3 |
| Interelectrode capacitances, pF | |
| – grid – cathode |
no more than 6.5 |
| – anode – cathode |
no more than 4.5 |
| – mesh – anode |
no more than 10.5 |
Limiting performance characteristics of ГM-70 |
|
|---|---|
| Filament voltage |
20 ± 1V |
| Anode voltage |
1650 V |
| Power dissipated by the anode |
125 watts |
| Ambient operating temperature range |
from -60 to +70 C |
Characteristics, parameters, diagram, description
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