GMI-11

General

Pulse modulator tetrode.

Envelope: glass.

Cooling: air.

Mass 300 g.

**Lead diagram**

General characteristics

Filament voltage, Volt | 26 |

Anode voltage, Volt | 1500 |

1^{st} grid voltage, Volt |
-600 |

2^{nd} grid voltage, Volt |
1000 |

1^{st} grid pulse voltage, Volt |
130 |

Pulse duration | 5 mks |

Pulse frequency | 900 Hz |

Filament (heater) current, A | 1.75±0.15 |

Pulse anode current, A | no less than 14 |

1^{st} grid pulse current, A |
no more than 2 |

2^{nd} grid pulse current, A |
no more than 2.5 |

1^{st} grid cut-off voltage, volt |
£ -600 |

Inter electrode capacitance, pF:
input |
55 |

output | 7.5 |

transfer | £1 |

Operation time, h | more than 300 |

Limited operating values

Cathode pulse current, A | 20 |

Filament voltage, V | 23.4 to 28.6 |

Anode voltage, V | 10 000 |

1^{st} grid voltage, V |
-700 |

2^{nd} grid voltage, V |
1000 |

Anode dissipation, W | 85 |

1^{st} grid dissipation, W |
1.5 |

2^{nd} grid dissipation, W |
8 |