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Specialized - Switching Tube ·MicrowaveTRSwitch

TV3308

Specialized microwave TR-switching device. Available source material establishes microwave switching construction but does not support a more specific functional description.

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

Description

The TV3308 is a phase-controlled Ku-band crystal-protector tube operating from 16 to 17 GHz. An ignitor-initiated internal gas discharge protects the receiver from high-energy microwave signals.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
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

MicrowaveTRSwitch

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Published ratings and characteristics audited; detailed numeric data retained 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

1972 Thomson CSF

Published operating points and test conditions from this source.

SECTION 1

MicrowaveTRSwitch

Other

  • maximum power level of

    10 kW

    maximum power level of 10 kW.

  • Insertion loss at low level, without ignitor current . ... ... ... max

    800 mA

    Insertion loss at low level, without ignitor current . ... ... ... max. 0.8 dB

  • Ignitor interaction fora [1]

    100 A

    Ignitor interaction fora 100 A current. . . .. . ... ... ... .. max. 0.2 dB

  • Ignitor interaction fora [2]

    200 mA

    Ignitor interaction fora 100 A current. . . .. . ... ... ... .. max. 0.2 dB

  • Voltage drop between ignitor and tube body for a [1]

    100 V

    Voltage drop between ignitor and tube body for a 100 A current (1) max 400 \Y,

  • Voltage drop between ignitor and tube body for a [2]

    1 V

    Voltage drop between ignitor and tube body for a 100 A current (1) max 400 \Y,

  • Voltage drop between ignitor and tube body for a [3]

    400 V

    Voltage drop between ignitor and tube body for a 100 A current (1) max 400 \Y,

  • Recovery timeat

    -3

    Recovery timeat —3dB .. .......

  • Spike leakage energy . . ... ... ... Lo max

    0.3

    Spike leakage energy . . ... ... ... Lo max. 0.3 erg

  • Flat leakage power, peak .. ... .. .. ... ... .. .. .. .... max

    75 W

    Flat leakage power, peak .. ... .. .. ... ... .. .. .. .... max. 75 mwW

  • Breakdown power . ... ... ... e max

    150 W

    Breakdown power . ... ... ... e max. 150 mW

  • Ignitor voltage - absolute value - (open circuit) ( [1]

    1 V

    Ignitor voltage - absolute value - (open circuit) (1) ... ... 700 - \Y

  • Ignitor voltage - absolute value - (open circuit) ( [2]

    700 V

    Ignitor voltage - absolute value - (open circuit) (1) ... ... 700 - \Y

  • Ignitor current . ... L [1]

    100 A

    Ignitor current . ... L. 100 200 HA

  • Ignitor current . ... L [2]

    200 A

    Ignitor current . ... L. 100 200 HA

  • Frequencyrange [1]

    16 GHz

    Frequencyrange . ........... ... 16.0 17.0 GHz

  • Frequencyrange [2]

    17 GHz

    Frequencyrange . ........... ... 16.0 17.0 GHz

  • Applied RF power, peak [1]

    0 kW

    Applied RF power, peak . ..................... 0 10 kW

  • Applied RF power, peak [2]

    10 kW

    Applied RF power, peak . ..................... 0 10 kW

  • A resistance of at least [1]

    0

    A resistance of at least 0. 5 M2 should be placed in series with each ignitor, as close as possibie to the

  • A resistance of at least [2]

    5

    A resistance of at least 0. 5 M2 should be placed in series with each ignitor, as close as possibie to the

  • Pertes par insertion,

    3 A

    Pertes par insertion, 3 bas niveau, sans courant d'électrode

  • tube pour un courant de

    100 A

    tube pour un courant de 100 A (note L

  • Energie de fuite dans la pointe ................. max

    3

    Energie de fuite dans la pointe ................. max. 0,3 erg

  • Puissance créte de fuite dans le palier .......... ..., max

    75 W

    Puissance créte de fuite dans le palier .......... ..., max. 75 mw

  • Courant dans chaque électrode d’entretien [1]

    100 A

    Courant dans chaque électrode d’entretien . ............. 100 200 UA

  • Courant dans chaque électrode d’entretien [2]

    200 A

    Courant dans chaque électrode d’entretien . ............. 100 200 UA

  • Gammedefréquence [1]

    160 GHz

    Gammedefréquence . ............. ... .. ... . ..... 16,0 17,0 GHz

  • Gammedefréquence [2]

    170 GHz

    Gammedefréquence . ............. ... .. ... . ..... 16,0 17,0 GHz

  • Puissance créte rfappliquée [1]

    0 kW

    Puissance créte rfappliquée . ... .. .................. 0 10 kW

  • Puissance créte rfappliquée [2]

    10 kW

    Puissance créte rfappliquée . ... .. .................. 0 10 kW

  • étre faite d courant constant d I'aide de source

    3 A

    étre faite d courant constant d I'aide de source 3 grande résistance interne de telle fagon que I'intensité reste dans