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Specialized - Photo Tube ·ImageConverterIntensifier

TH9651

High-sensitivity low-light camera pickup tube using intensified vidicon, esicon, super-esicon, or nocticon imaging technology.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
DITETRAR8
Base pins
-
Nominal heater
-

Description

The Thomson-CSF TH9651 is a super-esicon very-high-sensitivity low-light camera tube with cascaded image intensifier.

Socket description

Small-button Ditetrar 8-pin

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
DITETRAR8
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.

Composite/image-pickup electron-optical section; camera-specific 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

1972 Thomson CSF

Published operating points and test conditions from this source.

SECTION 1

ImageConverterIntensifier

Other

  • Maximum intensifier photocathode negative voltage

    25 kV

  • Maximum intensifier-to-Esicon photocathode voltage

    15 kV

  • Maximum image-section photocathode negative voltage

    12 kV

  • Maximum target voltage

    40 V

  • Maximum suppressor grid voltage

    30 V

  • Maximum g1 negative bias magnitude

    150 V

  • Maximum g2 voltage

    400 V

  • Maximum g3 voltage

    400 V

  • Maximum g4 voltage

    600 V

  • Nominal sensitivity

    700 mA/lm

Characteristic

  • Photocathode useful diameter

    25 mm

  • Image section focusing

    Electrostatic

  • Scanning focus/deflection

    Electromagnetic