Data set 01
1971 English Electric Valve
Published operating points and test conditions from this source.
Magnetron
Other
e B
1 Mw
e B output power . . . . 1.0 Mw
Heater current at 16V
3.1 A
Heater current at 16V 3.1 A
Tuner revolutions to cover frequency range
120
Tuner revolutions to cover frequency range . . . 120 max
Heater starting current {peak)
15 A
Heater starting current {peak) 15 A
Anode voltage {peak)
325 kv
Anode voltage {peak) - 325 kv
Anode current (peak}
70 A
Anode current (peak} - 70 A
Pulse duration
25 s
Pulse duration — 25 s
Cathode terminal temperature
100
Cathode terminal temperature 100 °c
V.S.W.R. at the output coupler
1 V
V.S.W.R. at the output coupler 1.5:1
Heater voltage
4
Heater voltage 8.0 8.0 8.0 4
Anade current {peak)
60 A
Anade current {peak) 70 60 A
Pulse duration
2
Pulse duration 0.5 1.0 2.0 Hs
Pulse repetition rate
300
Pulse repetition rate 1600 600 300 p.ps.
Anade voltage (peak}
30 kv
Anade voltage (peak} 30 30 30 kv
Output power {peak)
800 kW
Output power {peak) 700 1000 800 kW
Output power (mean)
480 w
Output power (mean) 525 500 480 w
Heater voltage {for testt
8 v
Heater voltage {for testt . 10 10 8.0 v
Anode current (mean}
3856 mA
Anode current (mean} . . 35 35 3856 mA
R.F.bandwidthat % power
25
R.F.bandwidthat % power . . . . . . . . . . 25 MHzmax
2. With no anode input power.
2
2. With no anode input power.
The above schedule is valid only for pulse repetition rates of 300p.p.s
300 s
The above schedule is valid only for pulse repetition rates of 300p.p.s.
minimum capacitance of 4000pF shunted across the heater directly at
4000
minimum 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
tures as low as —656°C. At this temperature the minimum cathode
-656 °C
tures as low as —656°C. At this temperature the minimum cathode
leading edge of the voltage pulse above 80% amplitude. Any capaci-
80
leading edge of the voltage pulse above 80% amplitude. Any capaci-
11,
11
11, The magnetron will tune over the indicated frequency range.
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
14,
16 V
14, Measured with heater voltage of 16 V and no anode input power, the
heater current limits are 2.8 A minimum, 3.4 A maximum
3.4 A
heater current limits are 2.8 A minimum, 3.4 A maximum.
16
16
16. Design test only. The maximum frequency change with anode tempera-
16,
16
16, The common cathode connection is marked with letter C