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Specialized - Photo Tube ·ImageConverterIntensifier

6411

Electrostatically focused image-converter tube designed to convert near-infrared images into visible phosphor-screen images.

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

Description

The ITT 6411 is a near-infrared image-converter tube with electrostatic focusing and p20 phosphor 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.

Image-converter electron-optical structure; published voltages and performance retained in parameters.

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

ImageConverterIntensifier

Other

  • Cathode-to-anode voltage nominal

    16000 V

  • Cathode-to-anode voltage maximum

    16500 V

  • Focus voltage as percent of anode voltage

    13 to 16 %

  • Maximum cathode current

    2 uA

  • Cathode luminous sensitivity

    12 to 25 uA/lm

  • Cathode radiant sensitivity at 8000 A

    0.0012 to 0.0025 uA/uW

  • Phosphor screen luminous efficiency at 16 kV

    30 to 55 lm/W

  • Infrared conversion index at 16 kV

    10

  • Image magnification

    0.66 to 0.7 x

  • Resolving power center

    20 lp/mm

Characteristic

  • Average cathode current density

    0.4 uA/cm2

  • Useful cathode diameter

    0.97 in

  • Useful phosphor screen diameter

    0.75 in