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Tube Tinker — Electron Tube Database
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Specialized - Photo Tube ·CameraPickup

TH9820

Vidicon television camera pickup tube designed for professional, industrial, broadcast, telecine, radiological, or military imaging service.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
E8-11
Socket code
DITETRAR8
Base pins
8
Nominal heater
6.3 V / 150 mA

Description

1-inch silicon-diode-array target Vidicon with high sensitivity, broad 400–1100 nm spectral response, low lag and low dark current.

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
E8-11
Socket code
DITETRAR8
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
150 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

E8-11 - 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.

Camera/pickup-tube section. Camera-specific target/grid/focusing/deflection limits are preserved in TUBE_SECTION_PARAMETER rather than forced into unrelated plate/screen promoted fields.

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

CameraPickup

Other

  • Electrode g4 Voltage Maximum

    350 V

  • Electrode g3 Voltage Maximum

    350 V

  • Electrode g2 Voltage Maximum

    350 V

  • Grid g1 Negative Bias Maximum

    -150 V

  • Grid g1 Positive Bias Maximum

    0 V

  • Heater-Cathode Peak Voltage Negative

    125 V

  • Heater-Cathode Peak Voltage Positive

    10 V

  • Target Voltage Maximum

    300 V

  • Peak Target Current Maximum

    750 nA

  • Minimum Preheating Time

    60 s

  • Output Capacitance

    5 pF

  • Typical Target Voltage

    8 V

  • Typical g4 Voltage

    340 V

  • Typical g3 Voltage

    290 V

  • Typical g2 Voltage

    300 V

  • Spectral Response Minimum

    400 nm

  • Spectral Response Maximum

    1100 nm

  • Faceplate Temperature Maximum

    90 C