9M31 x-band magnetron 9M31 is a fixed frequency pulsed type x-band magnetron, designed to operate in the frequency range of 9.38 to 9.44ghz with a peak output power of 50kw. it is packaged and waveguide output type and forced air cooled. ---- maximum ratings ---- min max unit peak anode current 3.5 16.0 a peak anode power input - 230 kw duty cycle - 0.001 - pulse duration - 2.5 us rate of rise of voltage pulse - 100 kv/us anode temperature - 100 degree centigrade v.s.w.r. at the output coupler - 1.5:1 - ---- electrical ---- min typical max unit heater voltage (note 1) 5.7 6.3 6.9 v preheat time 120 - - s peak anode voltage (note 2) 11.0 12.0 13.0 kv peak output power (note 2) 40 - - kw frequency (note2) 9.38 - 9.44 ghz note: 1. measured with heater voltage of 6.3v and no anode input power, the heater current limits are 0.9a minimum, 1.1a maximum. for average pulse input powers less than 150 watts, the heater voltage must be reduced within 3 seconds after the application of h. t. according to the following schedule: 150 pi 1 3 . 6 ef - = volts ( pi=mean input power in watts.) 2. measured at peak anode current 12.0a. for further information on the use of the magnetron, please contact new jrc. new jrc reserves the right to change the specification of goods without notice. rev.1
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