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Specialized - Photo Tube ·ImageConverterIntensifier

6914

Compact electrostatically self-focusing infrared image converter for night-vision systems, converting near-infrared scenes into visible images.

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

Description

The 6914 (D16) is a compact electrostatically self-focusing infrared image-converter tube for night-vision systems. It converts near-infrared radiation at an S1 photocathode into a visible image on a fluorescent screen.

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

ImageConverterIntensifier

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Electrical ratings/characteristics audited; additional published 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

ImageConverterIntensifier

Other

  • ¢S5

    1

    ¢S5 1 PHOTOCATHODE

  • The [1]

    6914 V

    The 6914 (D 16) is a monovoltage type, self-

  • The [2]

    16 V

    The 6914 (D 16) is a monovoltage type, self-

  • Nominal tube voltage

    16 V

    Nominal tube voltage . ................... 16 kV

  • Direct interelectrode capacitance, approximate

    5 pF

    Direct interelectrode capacitance, approximate . ... 5 pF

  • Photocathode current at nominal voltage {note

    1 V

    Photocathode current at nominal voltage {note 1)

  • Ambient temperature . . . .. e [1]

    20

    - Ambient temperature . . . .. e 20£'5 °c

  • Ambient temperature . . . .. e [2]

    5

    - Ambient temperature . . . .. e 20£'5 °c

  • Anodevoltage [1]

    16 V

    -Anodevoltage ........... ... 16 000 \")

  • Anodevoltage [2]

    0 V

    -Anodevoltage ........... ... 16 000 \")

  • Anode circuit resistance ... ... e

    100

    - Anode circuit resistance ... ... e 100 MQ

  • Color temperature of unfiltered radiation source

    2854

    - Color temperature of unfiltered radiation source . . 2854 °K

  • Dark current . .. v v it it ittt n e

    20 mA

    Dark current . .. v v it it ittt n e 0.02 HA

  • Fi = unfiltered luminous flux (

    2854

    Fi = unfiltered luminous flux (2854 °K tungsten lamp) in lumen, incident on the photocathode,

  • Center resolution : in a [1]

    1 us

    - Center resolution : in a 1/6 useful minimum diameter concentric circle on photocathode.

  • Center resolution : in a [2]

    6 us

    - Center resolution : in a 1/6 useful minimum diameter concentric circle on photocathode.

  • Published value [1]

    7 us

    7 - Center magnification shall be measured with a separation of object lines of 1/6 of the useful minimum photocathode

  • Published value [2]

    1 us

    7 - Center magnification shall be measured with a separation of object lines of 1/6 of the useful minimum photocathode

  • Published value [3]

    6 us

    7 - Center magnification shall be measured with a separation of object lines of 1/6 of the useful minimum photocathode

  • Published value [1]

    8 us

    8 - Peripheral magnification shall be measured with a separation of object lines of 4/5 of the useful minimum photocathode

  • Published value [2]

    4 us

    8 - Peripheral magnification shall be measured with a separation of object lines of 4/5 of the useful minimum photocathode

  • Published value [3]

    5 us

    8 - Peripheral magnification shall be measured with a separation of object lines of 4/5 of the useful minimum photocathode

  • Published value

    10

    10 - This is the value of equivalent input illumination (I.R.F.) required to give an increase of luminance on the screen equal

  • The tube shall be subjected to a temperature cycling with extremal values, + [1]

    68

    The tube shall be subjected to a temperature cycling with extremal values, +68 °C and —54 °C and held at

  • The tube shall be subjected to a temperature cycling with extremal values, + [2]

    -54

    The tube shall be subjected to a temperature cycling with extremal values, +68 °C and —54 °C and held at

  • Published value [1]

    1

    1 - A sinusoidal vibration having an amplitude of 1. 5 mm, at a frequency of 30 Hz, for a period of 2. 1/2 minutes.

  • Published value [2]

    1

    1 - A sinusoidal vibration having an amplitude of 1. 5 mm, at a frequency of 30 Hz, for a period of 2. 1/2 minutes.

  • Published value [3]

    5

    1 - A sinusoidal vibration having an amplitude of 1. 5 mm, at a frequency of 30 Hz, for a period of 2. 1/2 minutes.

  • Published value [4]

    30

    1 - A sinusoidal vibration having an amplitude of 1. 5 mm, at a frequency of 30 Hz, for a period of 2. 1/2 minutes.

  • Published value [5]

    2

    1 - A sinusoidal vibration having an amplitude of 1. 5 mm, at a frequency of 30 Hz, for a period of 2. 1/2 minutes.

  • Published value [6]

    1

    1 - A sinusoidal vibration having an amplitude of 1. 5 mm, at a frequency of 30 Hz, for a period of 2. 1/2 minutes.

  • Published value [7]

    2

    1 - A sinusoidal vibration having an amplitude of 1. 5 mm, at a frequency of 30 Hz, for a period of 2. 1/2 minutes.

  • Published value [1]

    2

    2 - A sinusoidal vibration having an amplitude of 1. 0 mm, at a frequency of 50 Hz, for a period of 2 minutes.

  • Published value [2]

    1

    2 - A sinusoidal vibration having an amplitude of 1. 0 mm, at a frequency of 50 Hz, for a period of 2 minutes.

  • Published value [3]

    0

    2 - A sinusoidal vibration having an amplitude of 1. 0 mm, at a frequency of 50 Hz, for a period of 2 minutes.

  • Published value [4]

    50

    2 - A sinusoidal vibration having an amplitude of 1. 0 mm, at a frequency of 50 Hz, for a period of 2 minutes.

  • Published value [5]

    2

    2 - A sinusoidal vibration having an amplitude of 1. 0 mm, at a frequency of 50 Hz, for a period of 2 minutes.

  • The tube shall be subjected to a

    75

    The tube shall be subjected to a 75 g peak half-sine shock with six shock pulses paraliel to, and six shock

  • pulses perpendicular to, its longitudinal axis. The duration of each shock pulse should be [1]

    6

    pulses perpendicular to, its longitudinal axis. The duration of each shock pulse should be 6 ms + 2 ms,

  • pulses perpendicular to, its longitudinal axis. The duration of each shock pulse should be [2]

    2

    pulses perpendicular to, its longitudinal axis. The duration of each shock pulse should be 6 ms + 2 ms,

  • Storage temperature should not exceed

    68

    Storage temperature should not exceed 68 °C. The period the tube is submitted to this limit temperature

  • Photocathode end

    4295

    Photocathode end 42,95

  • Published value [1]

    1

    1:25 of the photocathode

  • Published value [2]

    25

    1:25 of the photocathode