Description
The data should be read in conjunction with the Magnetron Preamble.
ABRIDGED DATA
Compact, rugged, lightweight, fixed frequency pulse magnetron.
Operating frequency …… 9410 + 30 MHz
Typical peak output power …… 12.5 kW
Magnet …………… integral
Output . . . . . . . . . . . . no. 16 waveguide
(22.86 x 10.16 mm internal)
Coupler . . . . . . . . . . . . . IEC UBR100
Cooling …………… natural
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) . . . . . . . 5.4 6.4 kV
Anode current (peak) . . . . . . . 3.0 6.0 A
Input power (mean) (see note 3) . – 70 W
Duty cycle . . . . . . . . . . – 0.0025
Pulse duration . . . . . . . . . – 2.5 ms
Rate of rise of voltage pulse
(see notes 4 and 5) . . . . . . . – 150 kV/ms
VSWR at the output coupler . . . . – 1.5:1
GENERAL
Electrical
Cathode ………… indirectly heated
Heater voltage (see note 1) . . . . . . . 6.3 V
Heater current at 6.3 V . . . . . . . . 0.5 A
Cathode pre-heating time (minimum)
(see note 2) . . . . . . . . . . 60 s
Input capacitance . . . . . . . . . . 8.0 pF max
Mechanical
Overall dimensions . . . . . . . . . . . see outline
Net weight . . . . . . . . . . . . 0.7 kg approx
Mounting position . . . . . . . . . . . . . any
A minimum clearance of 25 mm must be maintained between the magnetron and any magnetic materials.
Cooling …………… natural
TYPICAL OPERATION
Operating Conditions
Heater voltage (for operation) . . . . . . 6.3 V
Anode current (peak) . . . . . . . . . 5.0 A
Pulse duration . . . . . . . . . . . 1.0 ms
Pulse repetition rate …….. 1000 pps
Rate of rise of voltage pulse . . . . . . 60 kV/ms
Typical Performance
Anode voltage (peak) . . . . . . . . . 5.8 kV
Output power (peak) …….. 12.5 kW
Output power (mean) …….. 12.5 W
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