GMI-89 (ГМИ-89) RUSSIAN PULSE MODULATOR TETRODE  TUBE  HF NEW / GOLD GRID

LOT OF 1Pcs.

ГМИ-89

 Pulse modulator tetrode ГМИ-89 in glass version with oxide cathode of indirect ignition with natural or forced air cooling.
 It is intended for the amplification of high-frequency oscillations in pulse modulators when the anode voltage in the pulse is up to 25 kV and the current in the pulse is more than 20 A.
 The ГМИ-89 pulse modulator tetrode is used in general-purpose radio equipment.
 It is available in a glass design with 4-pin electrode terminals and a separate anode terminal.
 It works in a vertical position, with the outputs down.
 Natural or forced air cooling.
 Dimensions of tetrode GMI-89:
 - the height of the lamp is not more than 225 mm;
 - the diameter of the lamp is not more than 105 mm.
 Mass not more than 650 g.
 Warranty period of storage of the GMI-89 lamp - not less than 8 years from the day of receipt by the customer's representative.
 Наработка не межение 300 ч.

 Decoding the markings of the pulse modulator tetrode:
 ГМИ-89
 ГМИ - the letter that defines the type of lamp:
 ГМИ - modulating lamps working in pulse mode;
 89 - serial number of the development of this type of lamp.

Maximum operational characteristics of GMI-89

Power dissipated by the 2nd grid 12 W 

Power dissipated by the 1st grid 5 W Pulse duration 2 μs 


Operating ambient temperature range from -60 to +70 C

Please allow for the following shipping times:

EU countries: 5-8 business days, on rare occasions a few days more
USA: 10-15 business days, on rare occasions more
South East Asia (Japan, Singapore, S. Korea, Hong Kong, Taiwan etc) 10 business days, on rare occasions more
India, China, Russia, Kazakhstan, Pakistan, Indonesia, Malaysia, Thailand, Australia, South Africa etc: at least 15 business days, but frequently around 25 business days
 
Please note that shipping cost is calculated at average. If you have any objections please contact me for a specific quotation.