Skip to main content

Specialized - Photo Tube ·CameraPickup

GL7409

Low-light-level image-orthicon television camera tube designed for highly sensitive image pickup. Its internal target and electron-scanning system produce usable video signals from dim scenes.

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

Description

Low-light-level image orthicon television camera tube.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
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

CameraPickup

X-ray radiationInterelectrode capacitances
Max plate voltage
1550 V

Promoted fields mapped from printed ratings/characteristics headings; specialized published data retained in 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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

CameraPickup

Other

  • Cathode—Unipotential Over-allLength. .. .................. 15.20%=

    0.25 in

    Cathode—Unipotential Over-allLength. .. .................. 15.20%=0.25 Inches

  • Heater Greatest Bulb Diameter. .............. 3.00=

    0.06 in

    Heater Greatest Bulb Diameter. .............. 3.00=0.06 Inches

  • Current........ ... ... 0.6 Amperes Length

    5 in

    Current........ ... ... 0.6 Amperes Length. ... ...... ... ... .. 5 Inches

  • Spectral Response—S-10 Focusing-Coil Length

    10 in

    Spectral Response—S-10 Focusing-Coil Length. ... ... ... ... ... ...... 10 Inches

  • Useful Size, maximum diagonal

    1.8 in

    Useful Size, maximum diagonal. . ........... 1.8 Inches Photocathode Distance Inside

  • Orientation—Proper orientation is obtained End of Focusing Coil

    14 in

    Orientation—Proper orientation is obtained End of Focusing Coil. . . .................. 14 Inches

  • (minimum) applied is greater than

    500 ohms

    (minimum) applied is greater than 500 ohms.

  • Amplifier bandwidth—total

    20 MHz

    Amplifier bandwidth—total 20 mc, flat to 6 mc

  • Target Raster: Target diameter is

    1.4 in

    Target Raster: Target diameter is 1.40 inches. For corners of scanning raster just touching target edge raster dimensions

Characteristic

  • £ Y> T

    4 v

    £ Y> T4 v> o ~ d

  • of Buib . 3.00

    2008 in

    of Buib . 3.00 2008 Inches

  • Heatet Voltage, AC or DC 0.6 Ampere . L Mmimum Deflecting-C

    8 in

    Heatet Voltage, AC or DC 0.6 Ampere . L Mmimum Deflecting-C 08 Inches |

  • i( s A

    42 %

    i( s A42%71,028"

  • 040™.002"

    1 A

    040™.002"01A