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Specialized - Cathode Ray ·CathodeRay

DG32

Philips/Mullard DG-series cathode-ray instrument tube intended for oscillographic and measurement display, with manufacturer-defined electrostatic focusing, deflection, screen, and accelerating characteristics for type DG32.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 650 mA

Description

Philips DG3-2 is a compact electrostatic electron-ray tube with a roughly 35 mm screen, designed for bright traces at only 500 to 800 V anode potential.

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
6.3 V
Nominal heater current
650 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

Cathode Ray

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Published electrical ratings and characteristics promoted where the locked schema provides a matching field; specialized CRT and operating data retained as section parameters.

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

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Anode voltage

    500 to 800 V

    Published datasheet value

  • Auxiliary anode voltage

    150 to 200 V

    Published datasheet value

  • Grid voltage

    -35 to 0 V

    Published datasheet value

Characteristics

  • First-pair deflection sensitivity

    0.06 to 0.09 mm/V

    Published datasheet value

  • Second-pair deflection sensitivity

    0.04 to 0.06 mm/V

    Published datasheet value

  • Grid-to-cathode capacitance

    8.5 pF

    Published datasheet value

  • First plate-pair capacitance

    1.5 pF

    Published datasheet value

  • Second plate-pair capacitance

    1 pF

    Published datasheet value

  • Screen diameter

    35 mm

    Published datasheet value