Data set 01
1971 English Electric Valve
Published operating points and test conditions from this source.
Magnetron
Other
Frequency range
9345109405 MHz
Frequency range e . . . . . . . . 9345109405 MHz
Heatercurrentat63v
5 A
Heatercurrentat63v . . . . . . . . . . . . 05b A
Heater starting current {peak)
3 A
Heater starting current {peak) - 3.0 A
Anode voltage (peak)
8 kV
Anode voltage (peak) 7.0 8.0 kV
Anode current (peak)
8.5 A
Anode current (peak) 55 8.5 A
Pulselength
2
Pulselength . . . . . . . . . — 2.0 us
V.S.W.R. at the output coupler
1 V
V.S.W.R. at the output coupler . - 1.5:1
Heater voltage
6.3
Heater voltage 6.3 6.3 \
Anode current (peak)
7.5 A
Anode current (peak) 7.5 7.5 A
Pulse length
0.1
Pulse length 1.0 0.1 us
Pulse repetition rate
1000 s
Pulse repetition rate 500 1000 p.p.s.
Rate of rise of voltage puise
100 kV
Rate of rise of voltage puise 100 100 kV/us
Anode voltage (peak)
7.6 kV
Anode voltage (peak) 7.6 7.6 kV
Output power (peak)
22 kW
Output power (peak) 22 22 kW
Heater voltage {fortest)
6.3
Heater voltage {fortest) . . . . 6.3 6.3 Vv
Anode current {(mean)
0.37 mA
Anode current {(mean) . . . . . 375 0.37% mA
Anode voltage (peak)
8 kV
Anode voltage (peak) . . . . 7.0 8.0 7.0 8.0 kV
Output power (mean}
0.75 W
Output power (mean} . . . . 9.0 — 0.75 — W
R.F. bandwidth at % power
50 MHz
R.F. bandwidth at % power . . - 2.5 — 50 MHz
Cold impedance
0
Cold impedance .. . . . . . . . . . . . . . seenotel0
Temperature coefficient of frequency
12
Temperature coefficient of frequency . . . . . . . . seenote12
Anode voltage {peak}
7 kV
Anode voltage {peak} . . . . . . . 7.0 7.0 kV min
Output power {mean)
80 W
Output power {mean) . . . . . . . 80 - W min
R.F. bandwidth at Yapower
35 MHz
R.F. bandwidth at Yapower . . . . . 35b — MHz max
Frequency
9405 MHz
Frequency . . . . . . . 9345 to 9405 - MHz
1. With no anode input power
1
1. With no anode input power.
For average pulse input powers greater than 25 watts the heater voltage
25
For average pulse input powers greater than 25 watts the heater voltage
mum capacitance of 4000pF shunted across the heater directly at the
4000
mum 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
input terminals; in some cases a capacitance as high as 2uF may be
ween 0 and —55°C the cathode heating time is 3 minutes minimum
3 °C
ween 0 and —55°C the cathode heating time is 3 minutes minimum.
Defined as steepest tangent to leading edge of voltage pulse-above 80%
80
Defined as steepest tangent to leading edge of voltage pulse-above 80%
amplitude. Any capacitance in viewing system must not exceed 6.0pF
6
amplitude. Any capacitance in viewing system must not exceed 6.0pF.
With the valve operating into a v.s.w.r. of 1.15:1. Pulses are defined as
1 a
With the valve operating into a v.s.w.r. of 1.15:1. Pulses are defined as
level in a 0.5% frequency range. Missing pulses are expressed as a per-
0.5 a
level in a 0.5% frequency range. Missing pulses are expressed as a per-
10
9405
10. For the range 8345 to 9405MHz the impedance of the valve measured
v.s.w.r. of at least 6:1 with a minimum 16.5 to 22.56mm from the
22.56 v
v.s.w.r. of at least 6:1 with a minimum 16.5 to 22.56mm from the
11
6.3
11. Measured with heater voltage of 6.3V and no anode input power, the
heater current limits are 0.43A minimum, 0.60A maximum
0.6
heater current limits are 0.43A minimum, 0.60A maximum.
12
12
12. Design test only. The frequency change with anode temperature change
6. The axis of the heater lead protector will be within 5° o
5 a
6. The axis of the heater lead protector will be within 5° of a normal to
10
10
10. The anode temperature is measured at this point.