Data set 01
1962 ITT
Published operating points and test conditions from this source.
Triode
Other
R.F. POWER TRIODE [1]
3 W
R.F. POWER TRIODE .3Z/3ADG
R.F. POWER TRIODE [2]
3 W
R.F. POWER TRIODE .3Z/3ADG
Direct anode voltage (Note [1]
1 kV
Direct anode voltage (Note 1) 14 kV
Direct anode voltage (Note [2]
14 kV
Direct anode voltage (Note 1) 14 kV
Direct anode current
18 A
Direct anode current 18 A
Anode dissipation
125 kW
Anode dissipation 125 kW
Grid dissipation
275 kW
Grid dissipation 2,75 kW
Note [1]
1
Note 1. For Class C anode modulated operation (100% carrier mocdulation) the
Note [2]
100
Note 1. For Class C anode modulated operation (100% carrier mocdulation) the
maximum anode voltage is
12 kV
maximum anode voltage is 12kV,
Filament voltage, per filament section
96 V
Filament voltage, per filament section 9,6 v
Filament current, nominal, per filament section
290 A
Filament current, nominal, per filament section 290 A
Direct anode voltage
14 kV
Direct anode voltage 14 kV
Direct grid voltage
-765 V
Direct grid voltage -765 V
Peak r,f. grid voltage [1]
1 V
Peak r,f. grid voltage 1 305 Vv
Peak r,f. grid voltage [2]
305 V
Peak r,f. grid voltage 1 305 Vv
Ancde current
175 A
Ancde current 17,5 A
Grid current, approx
31 A
Grid current, approx. 3,1 A
Anode dissipation
45 kW
Anode dissipation 45 kW
Grid dissipstion, approx
17
Grid dissipstion, approx. 1,7 kW
Drive power, approx
40 kW
Drive power, approx. 4,0 kW
Output power '
200 kW
Output power ' 200 kW
Efficiency
81
Efficiency 81 %
Thariated tungsten filament (Note
2
Thariated tungsten filament (Note 2)
Filament voltage, per section [1]
96 V
Filament voltage, per section 9,6V ¥ 5%
Filament voltage, per section [2]
5 V
Filament voltage, per section 9,6V ¥ 5%
Filsment current, per section, at [1]
96 mA
Filsment current, per section, at 9,6V min, 263 max. 311 A
Filsment current, per section, at [2]
263 mA
Filsment current, per section, at 9,6V min, 263 max. 311 A
Filsment current, per section, at [3]
311 mA
Filsment current, per section, at 9,6V min, 263 max. 311 A
Maximum difference between current in each section
15 mA
Maximum difference between current in each section 15 A
Filament cold resistance, per saction
4 ohm
Filament cold resistance, per saction 0,004 Q
Maximum filament starting current, per section (Note [1]
3 mA
Maximum filament starting current, per section (Note 3) 700 A
Maximum filament starting current, per section (Note [2]
700 mA
Maximum filament starting current, per section (Note 3) 700 A
Note
3 A
Note 3. This starting current must not be exceeded even momentarily.
Mutual conductance (at V4 = [1]
90 mA/V
Mutual conductance (at V4 = 9,0kV : I = 5,0A) min. 78 max. 102 mA/V
Mutual conductance (at V4 = [2]
50 mA/V
Mutual conductance (at V4 = 9,0kV : I = 5,0A) min. 78 max. 102 mA/V
Mutual conductance (at V4 = [3]
78 mA/V
Mutual conductance (at V4 = 9,0kV : I = 5,0A) min. 78 max. 102 mA/V
Mutual conductance (at V4 = [4]
102 mA/V
Mutual conductance (at V4 = 9,0kV : I = 5,0A) min. 78 max. 102 mA/V
Grid to anode
108
Grid to anode 108 pF
Grid to filament [1]
259
Grid to filament 259 13
Grid to filament [2]
13
Grid to filament 259 13
Anode to filament
35
Anode to filament 3,5 pf
The anode seal and bulb temperaturess must not exceed
180
The anode seal and bulb temperaturess must not exceed 180°C.
To give protection againest overheating of the anode,
2
To give protection againest overheating of the anode, 2 *hermal fuse is fitted
device. A cord tension of ! [1]
1 V
device. A cord tension of ! 1lb (450 g) will ensure ithat if the anode
device. A cord tension of ! [2]
450 V
device. A cord tension of ! 1lb (450 g) will ensure ithat if the anode
of [1]
60
of 60 ft3/min (1,7 m3/min) directed into the filament.header from a 2 inch
of [2]
17
of 60 ft3/min (1,7 m3/min) directed into the filament.header from a 2 inch
of [3]
2
of 60 ft3/min (1,7 m3/min) directed into the filament.header from a 2 inch
The maximum temperature of the filament and grid seals must not exceed
140
The maximum temperature of the filament and grid seals must not exceed 140°C.,
Published value
4
4-filament posts