Data set 01
1971 English Electric Valve
Published operating points and test conditions from this source.
Magnetron
Other
Frequency range
9345109405 A
Frequency range A .. . . . .9345109405 MHz
Heater currentat 126V
22 A
Heater currentat 126V . . . . . . . . . . . 22 A
Cathode pre-heating time lmmxmum)
15 min
Cathode pre-heating time lmmxmum) ... .. .. 15 min
Heater starting current {peak}
10 A
Heater starting current {peak} 10 A
Anade voltage {peak)
135 kv
Anade voltage {peak) 135 kv
Anode current (peak)
12 A
Anode current (peak) 12 A
Pulse duration
5
Pulse duration 5.0 us
Anode temperature
150
Anode temperature . . . . 150 °c
V.S.W.R. at the output couple
151 V
V.S.W.R. at the output couple 151
Altitude {at v.s.w.r. 1.2:1 max)
0 v
Altitude {at v.s.w.r. 1.2:1 max) 20 000 ft
Heater voltage
75 v
Heater voltage 75 v
Anode current (peak)
12 A
Anode current (peak) 12 A
Pulse duration
40 s
Pulse duration 40 s
Pulse repetition rate
400
Pulse repetition rate 400 p.ps.
Anode voltage (peak}
3 kv
Anode voltage (peak} 3 kv
Heater voltage (fortest)
93
Heater voltage (fortest) . . . . . . . . . . . 93 \
Anode current {mean}
12 mA
Anode current {mean} . . . . . . . . . . . . 12 mA
Ancde voltage [peak)
135 kv
Ancde voltage [peak) . . . . . . . . 115 135 kv
Frequency pulling {v.s.w.r. 1 5 o
13 v
Frequency pulling {v.s.w.r. 1 5 o - 13 MHz
Frequency pushing
0.5 MHz
Frequency pushing . . . L. = 0.5 MHz/A
Altitude {v.s.w.r. 1.2:1) (see
1 v
Altitude {v.s.w.r. 1.2:1) (see
Output power {mean)
32 W
Output power {mean) . . . . . . . . . . . . 32 W min
Frequency
9345109405 MHz
Frequency . . ... . . . . 9345109405 MHz
1. With no anode input power.
1
1. With no anode input power.
On stand by the heater voltage must not exceed 12.6 volts. Prior to the
12.6
On stand by the heater voltage must not exceed 12.6 volts. Prior to the
12.6 volts for 1% minutes
1
12.6 volts for 1% minutes. On application of anode power, the heater
minirum capacitance of 4000pF shunted across the heater directly at
4000
minirum capacitance of 4000pF shunted across the heater directly at
the input terminals; in some cases a capacitance as high as 2uF may be
2 a
the input terminals; in some cases a capacitance as high as 2uF may be
leading edge of the voltage pulse above 80 per cent amplitude
80
leading edge of the voltage pulse above 80 per cent amplitude. Any
capacitance used in the viewing system must not exceed 6.0pF
6
capacitance used in the viewing system must not exceed 6.0pF
Rate of rise of voltage pulse
60 kV
Rate of rise of voltage pulse . . . L. 60 kV/us max
Pulse duration
40 s
Pulse duration . . PPN .40 s
Anode current (mean)
192 mA
Anode current (mean) . . . .. 192 mA
Load v.s.w.r. 1.6:1 varied through alt phases
1 v
Load v.s.w.r. 1.6:1 varied through alt phases.
With anode temperature of 100°C + 10°C. Operation at any tempera-
10 °C
With anode temperature of 100°C + 10°C. Operation at any tempera-
With the magnetron operating into a v.s.w.r. of 1.5:1 phased to give
1 a
With the magnetron operating into a v.s.w.r. of 1.5:1 phased to give
level is less than 70% of the normat energy level in a 0.5% frequency
0.5 a
level is less than 70% of the normat energy level in a 0.5% frequency
input pulses applied during the period of observation after a period of 5
5 a
input pulses applied during the period of observation after a period of 5
Pulse duration
4
Pulse duration . . . . . . . . . . . 4.0 us
Anode current (peak}
12 A
Anode current (peak} . . . . . . .. . 12 A
Measured with heater voltage of 12.6V and no anade input power, the
12.6
Measured with heater voltage of 12.6V and no anade input power, the
heater current limits are 2.0A minimum, 2.4A maximum
2.4
heater current limits are 2.0A minimum, 2.4A maximum
5. The north seeking pole of the magnet is adjacent to the cathode sidearm
5
5. The north seeking pole of the magnet is adjacent to the cathode sidearm.