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Specialized - Photo Tube ·CameraPickup

7409

Ruggedized low-light image orthicon with a high-gain magnesium-oxide target, designed for severe shock and vibration in fire-control, drone-guidance, missile-borne, and rough-terrain imaging systems.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
JUMBOANNULAR7
Base pins
-
Nominal heater
6.3 V / 600 mA

Description

Ruggedized low-light-level image orthicon with a high-gain thin-film magnesium-oxide target, designed for severe shock and vibration in tank fire control, drone guidance, missile-borne systems, and rough-terrain vehicles.

Socket description

Jumbo annular 7-contact shoulder base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
JUMBOANNULAR7
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
600 mA
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

CameraPickup

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Representative electrical section; promoted fields and additional published ratings are mapped from the approved source where applicable.

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

1950 General Electric Transmitting Types

Published operating points and test conditions from this source.

SECTION 1

CameraPickup

Other

  • Photocathode voltage maximum

    -600 V

    Published datasheet value

  • Anode supply voltage maximum

    1850 V

    Published datasheet value

  • Photocathode illumination maximum

    50 foot-candle

    Published datasheet value

Characteristic

  • Anode-to-all-other-electrodes capacitance

    12 pF

    Published datasheet value