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Specialized - Traveling Wave ·TravelingWave

F7848

Specialized ITT traveling-wave microwave tube for broadband RF service; available extracted documentation provides limited reliable performance information.

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

Description

The F7848 is a two-kilowatt pulsed traveling-wave amplifier covering approximately 5.4 to 5.9 GHz, using a rugged metal-ceramic envelope and helix slow-wave structure.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
IO
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-T8 [1]

    48

    THe F-T848 1s A 2 KILOWATT PULSE TRAVELING WAVE AMPLIFIER TUBE HAVING

  • THe F-T8 [2]

    1

    THe F-T848 1s A 2 KILOWATT PULSE TRAVELING WAVE AMPLIFIER TUBE HAVING

  • THe F-T8 [3]

    2

    THe F-T848 1s A 2 KILOWATT PULSE TRAVELING WAVE AMPLIFIER TUBE HAVING

  • Published value [1]

    27

    27 o8B GAIN AND 5400 To 5900 MC FREQUENCY RANGE. |IT IS CONSTRUCTED IN A

  • Published value [2]

    5400

    27 o8B GAIN AND 5400 To 5900 MC FREQUENCY RANGE. |IT IS CONSTRUCTED IN A

  • Published value [3]

    5900

    27 o8B GAIN AND 5400 To 5900 MC FREQUENCY RANGE. |IT IS CONSTRUCTED IN A

  • To [1]

    5

    To .005 AND PULSE LENGTHS UP TO 6 MICROSECONDS CAN BE USED:

  • To [2]

    6

    To .005 AND PULSE LENGTHS UP TO 6 MICROSECONDS CAN BE USED:

  • HEATER VOLTAGE

    6.3 V

    HEATER VOLTAGE 6.3 VoLts

  • HEATER CURRENT

    5.2 A

    HEATER CURRENT 5.2 AMPERES

  • FREQUENCY RANGE (Note [1]

    1

    FREQUENCY RANGE (Note 1) 5400 Mc To 5900 Mc

  • FREQUENCY RANGE (Note [2]

    5400

    FREQUENCY RANGE (Note 1) 5400 Mc To 5900 Mc

  • FREQUENCY RANGE (Note [3]

    5900

    FREQUENCY RANGE (Note 1) 5400 Mc To 5900 Mc

  • MiINIMUM TRANSMISSION LOSS, NO VOLTAGES APPLIED

    60 V

    MiINIMUM TRANSMISSION LOSS, NO VOLTAGES APPLIED 60 o8

  • CATHODE TO ALL OTHER ELEMENTS

    25

    CATHODE TO ALL OTHER ELEMENTS 25 uuFD

  • HEATER VOLTAGE

    6.3 V

    HEATER VOLTAGE 6.3 (és%) VoLTs

  • HEATER CURRENT

    5.6 A

    HEATER CURRENT 5.6 AMPERES

  • Max [1]

    1 V

    Max 1MuM ANODE VoLTaGe (NoTe 2) 17,000 VoLrts

  • Max [2]

    2 V

    Max 1MuM ANODE VoLTaGe (NoTe 2) 17,000 VoLrts

  • Max [3]

    17000 V

    Max 1MuM ANODE VoLTaGe (NoTe 2) 17,000 VoLrts

  • MaxiMuMm HEL [1]

    1 A

    MaxiMuMm HEL 1X CURRENT 0.4 AMPERE PEAK

  • MaxiMuMm HEL [2]

    400 mA

    MaxiMuMm HEL 1X CURRENT 0.4 AMPERE PEAK

  • MaxiMuMm CoLLECTOR DissipaTioN (Note [1]

    3 W

    MaxiMuMm CoLLECTOR DissipaTioN (Note 3) 225 WATTS AVERAGE

  • MaxiMuMm CoLLECTOR DissipaTioN (Note [2]

    225 W

    MaxiMuMm CoLLECTOR DissipaTioN (Note 3) 225 WATTS AVERAGE

  • Max iMuM R-F INPUT POWER

    10 W

    Max iMuM R-F INPUT POWER 10 WATTS AVERAGE

  • Max iMuMm R-F QurPuT POWER

    15 W

    Max iMuMm R-F QurPuT POWER 15 WATTS AVERAGE

  • Max IMuM CATHODE CURRENT

    3.7 A

    Max IMuM CATHODE CURRENT 3.7 AMPERES PEAK

  • Tyrpe oF CATHODE Ox1

    0

    Tyrpe oF CATHODE Ox10E IMPREGNATED UNIPOTENTIAL

  • MaX tMuM TUBE TEMPERATURE

    177

    MaX tMuM TUBE TEMPERATURE 177 °c

  • CatHODE CURRENT

    2.5 A

    CatHODE CURRENT 2.5 AMPERES PEAK

  • Power OQutpPuT

    2 kW

    Power OQutpPuT 2.0 Kw PEAK MIN.

  • GAIN

    27

    GAIN 27 DB MIN,.

  • PuLSE WiIDTH

    2

    PuLSE WiIDTH 2 U SECONDS

  • NoTe [1]

    1 W

    NoTe 1: USEFUL GAIN AND POWER OUTPUT EXI1STS BELOW 5000 MC AND aBove 6000

  • NoTe [2]

    5000 W

    NoTe 1: USEFUL GAIN AND POWER OUTPUT EXI1STS BELOW 5000 MC AND aBove 6000

  • NoTe [3]

    6000 W

    NoTe 1: USEFUL GAIN AND POWER OUTPUT EXI1STS BELOW 5000 MC AND aBove 6000

  • NoTE

    2 V

    NoTE 2: ALL VOLTAGES SHOWN ARE WITH RESPECT TO CATHODE. ANODE, HELIX, COL~-

  • NoTe

    3

    NoTe 3: CONDUCTION COOLING FOR THE COLLECTOR MUST BE PROVIDED BY A SUITABLE

  • ( [1]

    1 V

    (1) HEATER WARM UP OF 2 MINUTES BEFORE APPLYING HIGH VOLTAGE 1S RECOMMENDED.,

  • ( [2]

    2 V

    (1) HEATER WARM UP OF 2 MINUTES BEFORE APPLYING HIGH VOLTAGE 1S RECOMMENDED.,

  • ( [3]

    1 V

    (1) HEATER WARM UP OF 2 MINUTES BEFORE APPLYING HIGH VOLTAGE 1S RECOMMENDED.,

  • (

    2 V

    (2) HiGH VOLTAGE MUST NOT BE APPLIED IN THE ABSENCE OF MAGNETIC FIELD.

  • Pin

    2

    Pin 2 = HEATER CoLLecTorR & CAPSULE

  • PiN

    8

    PiN 8 - HEATER CATHODE