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Specialized - Traveling Wave ·TravelingWave

F7339

Specialized ITT traveling-wave microwave amplifier intended for broadband RF amplification; surviving extracted documentation provides limited operating detail.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
DUODECAL5
Base pins
-
Nominal heater
-

Description

The F7339 is a one-kilowatt pulsed traveling-wave amplifier covering approximately 8.5 to 9.6 GHz, with a rugged metal envelope, helix slow-wave structure, and forced-air cooling.

Socket description

Small-shell Duodecal 5-contact CRT base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
DUODECAL5
Base pins
-
Nominal heater voltage
-
Nominal heater current
-
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

TravelingWave

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Published maximum ratings and characteristics audited; remaining values retained densely in parameter table.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1962 ITT

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Other

  • The F [1]

    7339

    The F-7339 is a 1 kilowatt pulse traveling wave amplifier tube having 27 db

  • The F [2]

    1

    The F-7339 is a 1 kilowatt pulse traveling wave amplifier tube having 27 db

  • The F [3]

    27

    The F-7339 is a 1 kilowatt pulse traveling wave amplifier tube having 27 db

  • gain and [1]

    8500

    gain and 8500 to 9600 mc frequency range. It is constructed in a rugged metal

  • gain and [2]

    9600

    gain and 8500 to 9600 mc frequency range. It is constructed in a rugged metal

  • used. Duty cycles up to [1]

    5

    used. Duty cycles up to .005 and pulse widths up to 10 microseconds can be used.

  • used. Duty cycles up to [2]

    10

    used. Duty cycles up to .005 and pulse widths up to 10 microseconds can be used.

  • Heater Voltage [1]

    6.3 V

    Heater Voltage 6.3 (£10%) wvolts

  • Heater Voltage [2]

    10 V

    Heater Voltage 6.3 (£10%) wvolts

  • Heater Current

    2.5 A

    Heater Current 2.5 amperes

  • Maximum Anode Voltage (Note [1]

    1 V

    Maximum Anode Voltage (Note 1) 12 kilovolts peak

  • Maximum Anode Voltage (Note [2]

    12 V

    Maximum Anode Voltage (Note 1) 12 kilovolts peak

  • Maximum Shell Current (Note [1]

    2 A

    Maximum Shell Current (Note 2) 0.5 ampere peak

  • Maximum Shell Current (Note [2]

    500 mA

    Maximum Shell Current (Note 2) 0.5 ampere peak

  • Maximum Collector Voltage (Note [1]

    3 V

    Maximum Collector Voltage (Note 3) 12.5 kilovolts peak

  • Maximum Collector Voltage (Note [2]

    12.5 V

    Maximum Collector Voltage (Note 3) 12.5 kilovolts peak

  • Maximum Collector Dissipation (Note [1]

    4 W

    Maximum Collector Dissipation (Note 4) 150 watts average

  • Maximum Collector Dissipation (Note [2]

    150 W

    Maximum Collector Dissipation (Note 4) 150 watts average

  • Maximum R-F Input Power

    5 W

    Maximum R-F Input Power 5 watts average

  • Maximum R-F Output Power

    10 W

    Maximum R-F Output Power 10 watts average

  • Maximum Pulse Width (Beam)

    10

    Maximum Pulse Width (Beam) 10 microseconds

  • Maximum Cathode Current

    2.5 A

    Maximum Cathode Current 2.5 amperes peak

  • Maximum Frequency (Note [1]

    5

    Maximum Frequency (Note 5) 9600 mc

  • Maximum Frequency (Note [2]

    9600

    Maximum Frequency (Note 5) 9600 mc

  • Minimum Frequency (Note [1]

    5

    Minimum Frequency (Note 5) 8500 mc

  • Minimum Frequency (Note [2]

    8500

    Minimum Frequency (Note 5) 8500 mc

  • Air Flow on Collector Radiator (Note [1]

    4

    Air Flow on Collector Radiator (Note 4) 30 cfm

  • Air Flow on Collector Radiator (Note [2]

    30

    Air Flow on Collector Radiator (Note 4) 30 cfm

  • Glass Temperature

    160

    Glass Temperature 160°C max.

  • Center Frequency

    9000

    Center Frequency 9000 mc

  • Anode Voltage (Note [1]

    1 V

    Anode Voltage (Note 1) 11 kilovolts peak

  • Anode Voltage (Note [2]

    11 V

    Anode Voltage (Note 1) 11 kilovolts peak

  • Cathode Current

    1.8 A

    Cathode Current 1.8 amperes peak

  • Collector Voltage (tied to Shell)

    11 V

    Collector Voltage (tied to Shell) 11 kilovolts peak

  • Collector Current

    1.5 A

    Collector Current 1.5 amperes peak

  • Power Output (at center frequency)

    1.5 W

    Power Output (at center frequency) 1.5 kilowatts peak

  • Bandwidth for Po = [1]

    1

    Bandwidth for Po = 1 kilowatt 8.5to0 9.6 kmc

  • Bandwidth for Po = [2]

    8.5

    Bandwidth for Po = 1 kilowatt 8.5to0 9.6 kmc

  • Bandwidth for Po = [3]

    9.6

    Bandwidth for Po = 1 kilowatt 8.5to0 9.6 kmc

  • Gain (Note [1]

    6

    Gain (Note 6) 27 db

  • Gain (Note [2]

    27

    Gain (Note 6) 27 db

  • Pulse Width

    2

    Pulse Width 2 microseconds

  • Note

    1 V

    Note 1: All voltages shown are with respect to cathode. Anode and helix are

  • Note

    2 A

    Note 2: The shell current is the difference between cathode current and collect-

  • Note

    3

    Note 3: The tube may be operated with the collector tied to the shell (anode and

  • Note

    4 W

    Note 4: Forced air cooling is required for average collector power in excess

  • of

    10 W

    of 10 watts. As the collector power is increased, the air flow re-

  • quired increases. At the maximum collector power of

    150 W

    quired increases. At the maximum collector power of 150 watts, a

  • Note [1]

    5 W

    Note 5: Useful gain and power output exists below 8500 mc and above 9600 mc

  • Note [2]

    8500 W

    Note 5: Useful gain and power output exists below 8500 mc and above 9600 mc

  • Note [3]

    9600 W

    Note 5: Useful gain and power output exists below 8500 mc and above 9600 mc

  • Note [1]

    6 W

    Note 6: This gain is obtained over the 8.5 to 9. 6 kmc bandwidth at the power

  • Note [2]

    8.5 W

    Note 6: This gain is obtained over the 8.5 to 9. 6 kmc bandwidth at the power

  • Note [3]

    9 W

    Note 6: This gain is obtained over the 8.5 to 9. 6 kmc bandwidth at the power

  • Note [4]

    6 W

    Note 6: This gain is obtained over the 8.5 to 9. 6 kmc bandwidth at the power

  • signal gain will be approximately

    10

    signal gain will be approximately 10 db higher.

  • ( [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.

  • Published value

    2

    2 Heater -Cathode

  • Published value

    10

    10 Heater