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Specialized - Photo Tube ·ImageConverterIntensifier

7177

Fixed-focus image-converter tube for low-light integration, high-speed photography, and pulsed-light imaging systems.

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

Description

The ITT 7177 is a fixed-focus image-converter tube for low-light integration, high-speed photography and pulsed-light systems.

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; 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

  • Photocathode luminous sensitivity

    10 to 20 uA/lm

  • Photocathode peak radiant sensitivity

    0.0018 A/W

  • Phosphor screen luminous efficiency at 8 kV

    0.12 to 0.19 lm/W

  • Phosphor screen radiant efficiency at 6 kV

    0.066 W/W

  • Infrared conversion index at 8 kV

    2.38

  • Peak radiant power gain at 8 kV

    0.7 W/W

  • Radial image distortion

    10 %

  • Resolving power center

    20 to 25 lp/mm

  • Resolving power edge

    10 lp/mm

  • Mean background screen brightness

    1 uL

Characteristic

  • Image magnification

    0.68 x

  • Useful photocathode diameter

    0.658 in

  • Useful phosphor screen diameter

    0.517 in