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Specialized - Photo Tube ·CameraPickup

GL8507

Vidicon television camera tube designed for sensitive optical image pickup in studio, remote, industrial, or compact camera systems.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
DITETRAR8
Base pins
-
Nominal heater
6.3 V / 600 mA

Description

Separate-field-mesh vidicon camera tube with high sensitivity, low lag, extended resolution, and high amplitude response for studio, remote, and industrial pickup.

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
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
Max plate voltage
100 V
Max screen voltage
750 V
Max cathode current
0.0006 mA

Vidicon camera section. MaxPlateVoltage stores target-voltage maximum; MaxScreenVoltage stores grid-2 maximum for lack of a more specific promoted field.

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

Construction

  • Camera-tube type

    Vidicon

  • Field mesh

    Separate

  • Scanned target size

    1/2 x 3/8 in

  • Maximum useful image diagonal

    0.62 in

Other

  • Heater voltage tolerance

    +/-10 %

  • Faceplate illumination maximum

    1000 foot-candle

  • Target voltage maximum

    100 V

  • Target current peak maximum

    0.6 uA

  • Dark current maximum

    0.25 uA

  • Grid4 voltage maximum

    1000 V

  • Grid3 voltage maximum

    1000 V

  • Grid2 voltage maximum

    750 V

  • Grid1 positive bias maximum

    0 V

  • Heater-cathode voltage maximum heater negative

    125 V

  • Heater-cathode voltage maximum heater positive

    10 V

  • Typical faceplate temperature

    30 to 35 C

  • Average-sensitivity faceplate illumination

    1 foot-candle

  • Average-sensitivity target voltage

    20 to 40 V

  • Average-sensitivity dark current

    0.02 uA

  • Maximum-sensitivity faceplate illumination

    0.01 foot-candle

  • Maximum-sensitivity target voltage

    35 to 70 V

  • Maximum-sensitivity dark current

    0.2 uA

  • Grid1 picture-cutoff voltage

    -45 to -100 V

  • Grid2 voltage

    300 V

  • High-resolution grid3 beam-focus voltage

    600 V

  • High-resolution grid4 field-mesh voltage

    800 V

  • High-resolution focus-coil field strength

    60 gauss

Characteristics

  • Heater current

    600 mA

  • Focus method

    Magnetic

  • Deflection method

    Magnetic

  • Resolution capability

    1000 TV lines

  • Amplitude response at 400 TV lines

    70 %

Capacitance

  • Anode-to-all capacitance

    3.6 pF

Application

  • Application

    Studio / remote / industrial television camera pickup