Operating frequency ………………………………..9410 ± 30 MHz
Typical peak output power……………………………………4.0 kW
Magnet…………………………………………………………….. integral
Cooling………………………………………..conduction and natural
GENERAL
Electrical
Cathode ………………………………………………. indirectly heated
Heater voltage (see note 1) …………………………………….6.3 V
Heater current at 6.3 V (see note 2) ……………………….0.55 A
Cathode pre-heating time (minimum)
(see note 3)……………………………………………………… 60 s
Input capacitance…………………………………………. 8.0 pF max
Temperature coefficient of frequency ………………. see note 4
Frequency stability under mechanical shock …….. see note 5
Mechanical
Overall dimensions ………………………………………..see outline
Net weight………………………………………………… 250 g approx
Mounting position……………………………………………………. any
Output……………………………………………….. no. 16 waveguide
Coupler ……………………………………..IEC UBR/PBR/CBR 100
A minimum clearance of 25 mm must be maintained
between the magnetron and any magnetic materials.
A clearance of at least 50 mm is needed to prevent mutual
attraction between magnetrons when removed from
protective packaging.
Cooling ………………………………………conduction and 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)……………………………….3.4 3.9 kV
Anode current (peak) ……………………………….2.0 4.0 A
Input power (mean) (see note 6)……………….. – 25 W
Duty cycle ……………………………………………… – 0.0025
Pulse duration………………………………………… – 2.5 µs
Rate of rise of voltage pulse
(see notes 7 and 8) ……………………………. – 100 kV/µs
VSWR at the output coupler …………………….. – 1.5:1
Anode temperature ……………………………… -55 120 °C
TYPICAL OPERATION
Operating Conditions
Heater voltage (for operation) ……………………….. 6.3 V
Anode current (peak) …………………………………… 3.0 A
Pulse duration…………………………………………….. 1.0 µs
Pulse repetition rate……………………………….. 1000 pps
Rate of rise of voltage pulse ……………………….. 40 kV/µs
Typical Performance
Anode voltage (peak)…………………………………… 3.7 kV
Output power (peak) ……………………………………. 4.0 kW
Output power (mean)…………………………………… 4.0 W
TEST CONDITIONS AND LIMITS
The magnetron is tested to comply with the following
electrical specification.
Test Conditions
Heater voltage (for test) ……………………………….. 6.3 V
Anode current (mean)………………………………….. 3.0 mA
Duty cycle ………………………………………………….. 0.001
Pulse duration (see note 9)…………………………… 1.0 µs
VSWR at the output coupler …………………………. 1.15:1 max
Rate of rise of voltage pulse (see note 7):
using hard tube pulser…………………………. 100 kV/µs min
alternatively using line type pulser…………… 50 kV/µs min
Limits
Min Max
Anode voltage (peak) (see note 10)………….. 3.4 3.8 kV
Output power (mean)……………………………… 3.5 – W
Frequency (see note 11)……………………. 9380 9440 MHz
RF bandwidth at ¼ power
(see note 12)…………………………………….. – 2.5 MHz
Frequency pulling (VSWR not less
than 1.5:1) (see note 12)…………………….. – 30 MHz
Stability (see note 13) ……………………………… – 0.1 %
Heater current………………………………………………. see note 2

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