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8521

High-resolution 1.5-inch vidicon camera tube for industrial black-and-white television pickup with magnetic focus and deflection.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: SUPERDITETRAR8
Base pins: -
Nominal heater: 6.3 V / 600 mA

Description

High-resolution 1.5-inch vidicon camera tube for industrial black-and-white television pickup, with magnetic focus and magnetic deflection.

Socket description

Small-button Super-Ditetrar 8-pin

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: SUPERDITETRAR8
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.

Promoted fields are used only where the published value maps cleanly to the locked schema; device-specific microwave, pulse, photoelectric, camera, and indicator data are preserved as parameter rows.

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

1964 RMA EIA

Published operating points and test conditions from this source.

SECTION 1

CameraPickup

Other

Grid No.4 voltage maximum
1500 V
Grid No.3 voltage maximum
1500 V
Grid No.2 voltage maximum
550 V
Grid No.1 negative bias magnitude maximum
300 V
Target voltage maximum
100 V
Dark current maximum
0.25 uA
Peak target current maximum
0.6 uA
Grid No.4 voltage
1400 V
Grid No.3 voltage minimum
800 V
Grid No.3 voltage maximum
1000 V
Grid No.2 voltage
300 V
Grid No.1 cutoff voltage minimum
-100 V
Grid No.1 cutoff voltage maximum
-45 V

Capacitance

Target capacitance
8 pF
ToAllOtherElectrodes

Characteristics

Limiting resolution typical
1500 TV lines
Center
Limiting resolution minimum
1200 TV lines
Center
Lag typical
30 %
1/20sAfterLightRemoved