GU-17 double beam tetrode designed for operation as a generator or amplifier of high-frequency oscillations at frequencies up to 250 MHz.
Envelope- glass, extra small
Weight 25 g
| GU-17Basic Technical Parameters: | |
| Filament current | 0,8±0,08 A |
| Anode current | 20±10 mA |
| Second grid filamentcurrent | max 6 mA |
| First grid filamentinverse current(at Iа=30 мА) | max 2 mkA |
| Mutual conductance | 2,45±0,85 mA/V |
| Oscillation output | min 11 W |
| Interelectrode capacitance, pF: | |
| - input | 6,5±3 |
| - output | 2,7±0,5 |
| - transfer | max 0,1 |
| Service life-time | min 400 h |
| GU-17Operational Limits: | |
| Filament voltage for sequential circuit | 11 - 14 V |
| Filament voltage for parallel circuit | 5,7 - 7 V |
| Anode voltage | 400 V |
| Second grid voltage | 250 V |
| Anode voltage on cool lamp | 450 V |
| Second grid voltage on cool lamp | 450 V |
| Cathode-heater voltage | ± 150 V |
| Cathode current | 100 mA |
| Two anodes dissipation | 12 W |
| First grid dissipation | 0,5 W |
| Second grid dissipation | 3 W |
| Operating frequency | 250 MHz |
| Tube temperature | 260 С |
| Operating ambient temperature range | from -50 to +70 С |
