MG5222 X-Band Magnetron

Operating frequency ….. 9375 + 30 MHz
Typical peak output power . . . . . . 25 kW
Magnet …………… integral
Output . . . . . . . . . . . . no. 16 waveguide
(22.86 x 10.16 mm internal)
Coupler ………….. UG-40B/U
(NATO S.N. 5985-99-083-0051)
Cooling ……….. natural or forced-air

MAXIMUM AND MINIMUM RATINGS
(Absolute values)
These ratings cannot necessarily be used simultaneously, and
no individual rating should be exceeded.
Min Max
Heater voltage (see note 1) . . . . 5.7 6.9 V
Heater starting current (peak) . . . – 3.0 A
Anode voltage (peak) . . . . . . 7.5 8.5 kV
Anode current (peak) . . . . . . 6.0 10 A
Input power (peak) . . . . . . . – 75 kW
Input power (mean) (see note 3) . . – 85 W
Duty cycle ……… – 0.0015
Pulse duration . . . . . . . . – 2.0 ms
Rate of rise of voltage pulse
(see notes 4 and 5) . . . . . . – 200 kV/ms
Anode temperature (see note 6) . . – 120 8C
VSWR at the output coupler . . . – 1.5:1

TYPICAL OPERATION
Operating Conditions
1 2
Heater voltage . . . . . . . . 6.3 6.3 V
Anode current (peak) . . . . . . 8.0 8.0 A
Pulse duration . . . . . . . . 1.0 0.1 ms
Pulse repetition rate ….. 1000 1000 pps
Rate of rise of voltage pulse . . . . 170 170 kV/ms
Typical Performance
Anode voltage (peak) . . . . . . 8.2 8.2 kV
Output power (peak) . . . . . . 25 25 kW
Output power (mean) . . . . . . 25 2.5 W

GENERAL
Electrical
Cathode ………… indirectly heated
Heater voltage (see note 1) . . . . . . . 6.3 V
Heater current at 6.3 V …….. 0.55 A
Heater starting current, peak value,
not to be exceeded . . . . . . . . . 3.0 A max
Cathode pre-heating time (minimum)
(see note 2) . . . . . . . . . . 60 s
Mechanical
Overall dimensions . . . . . . . . . . . see outline
Net weight . . . . . . . . . . . . 1.5 kg approx
Mounting position . . . . . . . . . . . . . any
A minimum clearance of 50 mm must be maintained between
the magnet and any magnetic materials.
Cooling ……….. natural or forced-air