Data set 01
1962 ITT
Published operating points and test conditions from this source.
TravelingWave
Other
The F [1]
7347
The F-7347 is a 1 kilowatt pulse traveling wave amplifier tube having 30 db
The F [2]
1
The F-7347 is a 1 kilowatt pulse traveling wave amplifier tube having 30 db
The F [3]
30
The F-7347 is a 1 kilowatt pulse traveling wave amplifier tube having 30 db
gain and [1]
2000
gain and 2000 to 4000 mc frequency range. It is constructed in a rugged
gain and [2]
4000
gain and 2000 to 4000 mc frequency range. It is constructed in a rugged
oxide impregnated cathode are used. Duty cycles up to
5
oxide impregnated cathode are used. Duty cycles up to . 005 and pulse lengths
Heater Voltage
6.3 V
Heater Voltage 6.3 (x6%) volts
Heater Current
5.2 A
Heater Current 5.2 amperes
Maximum Anode Voltage (Note [1]
1 V
Maximum Anode Voltage (Note 1) 8000 wvolts
Maximum Anode Voltage (Note [2]
8000 V
Maximum Anode Voltage (Note 1) 8000 wvolts
Maximum Helix Current
500 mA
Maximum Helix Current 0.5 ampere peak
Maximum Collector Dissipation (Note [1]
2 W
Maximum Collector Dissipation (Note 2) 100 watts average
Maximum Collector Dissipation (Note [2]
100 W
Maximum Collector Dissipation (Note 2) 100 watts average
Maximum R-F Input Power
10 W
Maximum R-F Input Power 10 watts average
Maximum R-F Output Power
15 W
Maximum R-F Output Power 15 watts average
Maximum Cathode Current
2.5 A
Maximum Cathode Current 2.5 amperes peak
Maximum Grid Current
5 A
Maximum Grid Current .5 ampere peak
Maximum Cold Input VSWR (Note [1]
7
Maximum Cold Input VSWR (Note 7) 4.0
Maximum Cold Input VSWR (Note [2]
4
Maximum Cold Input VSWR (Note 7) 4.0
Maximum Frequency (Note [1]
3
Maximum Frequency (Note 3) 4000 mc
Maximum Frequency (Note [2]
4000
Maximum Frequency (Note 3) 4000 mc
Minimum Frequency (Note [1]
3
Minimum Frequency (Note 3) 2000 mc
Minimum Frequency (Note [2]
2000
Minimum Frequency (Note 3) 2000 mc
Minimum Transmission Loss at Grid Bias = [1]
-67
Minimum Transmission Loss at Grid Bias = -67 volts 10 db
Minimum Transmission Loss at Grid Bias = [2]
10
Minimum Transmission Loss at Grid Bias = -67 volts 10 db
Control grid to all other elements
22
Control grid to all other elements 22 ppfd
Maximum Tube Temperature
177
Maximum Tube Temperature 177 °cC
Center Frequency
3000
Center Frequency 3000 mc
Anode Voltage (Note [1]
1 V
Anode Voltage (Note 1) 7500 volts
Anode Voltage (Note [2]
7500 V
Anode Voltage (Note 1) 7500 volts
Cathode Current
1.8 A
Cathode Current 1.8 amperes peak
Power Output (at center frequency)
1.8 kW
Power Output (at center frequency) 1.8 kw peak
Bandwidth [1]
20
Bandwidth 2,0to 4.0 kmc
Bandwidth [2]
4
Bandwidth 2,0to 4.0 kmc
Gain (Note [1]
4
Gain (Note 4) 30 db
Gain (Note [2]
30
Gain (Note 4) 30 db
Pulse Width
10
Pulse Width 10 p seconds
Grid Bias (for cut-off)
-100
Grid Bias (for cut-off) -100 wvolts
Grid Voltage during Pulse (Note [1]
6 V
Grid Voltage during Pulse (Note 6) +300 wvolts
Grid Voltage during Pulse (Note [2]
300 V
Grid Voltage during Pulse (Note 6) +300 wvolts
Grid Current during Pulse
200 mA
Grid Current during Pulse 0.2 ampere peak
Note
1 V
Note 1: All voltages shown are with respect to cathode. Anode and collector
Note
2
Note 2: Conduction cooling for the collector must be provided by a suitable
Note [1]
3 W
Note 3: Useful gain and power output exists below 2000 mc and above 4000 mc
Note [2]
2000 W
Note 3: Useful gain and power output exists below 2000 mc and above 4000 mc
Note [3]
4000 W
Note 3: Useful gain and power output exists below 2000 mc and above 4000 mc
Note [1]
4 W
Note 4: This gain is obtained over the 2.0 to 4. 0 kmc bandwidth at the power
Note [2]
2 W
Note 4: This gain is obtained over the 2.0 to 4. 0 kmc bandwidth at the power
Note [3]
4 W
Note 4: This gain is obtained over the 2.0 to 4. 0 kmc bandwidth at the power
Note [4]
0 W
Note 4: This gain is obtained over the 2.0 to 4. 0 kmc bandwidth at the power
signal gain will be approximately
10
signal gain will be approximately 10 db higher,
Note
5 V
Note 5: Positive voltage must not be applied to the grid in the absence of
Note
6 V
Note 6: The positive grid voltage pulse should be the minimum consistent
Note
7
Note 7: Mismatch up to and including a short circuit in input or output lines
( [1]
1 V
(1) Heater warm up of 2 minutes before applying high voltage is recommended.
( [2]
2 V
(1) Heater warm up of 2 minutes before applying high voltage is recommended.
(
2 V
(2) High voltage must not be applied in the absence of proper grid bias and
Published value
1
1 watt input
Published value [1]
700
700 /’/ . 1 watt input \\
Published value [2]
1
700 /’/ . 1 watt input \\
Published value [1]
2
2-1/16 dia. max. Collector
Published value [2]
-1
2-1/16 dia. max. Collector
Published value [3]
16
2-1/16 dia. max. Collector
~—
510
~—.510 dia. max, Output
G Grid [1]
15
G Grid 15+1/4 Green
G Grid [2]
1
G Grid 15+1/4 Green
G Grid [3]
4
G Grid 15+1/4 Green
H Heater [1]
15
H Heater 15+1/4 Brown
H Heater [2]
1
H Heater 15+1/4 Brown
H Heater [3]
4
H Heater 15+1/4 Brown
Green Yellow K Heater-Cathode [1]
15
Green Yellow K Heater-Cathode 15zx1/4 Yellow
Green Yellow K Heater-Cathode [2]
4
Green Yellow K Heater-Cathode 15zx1/4 Yellow